🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.48 AU - 0.76 AU

Year: 315 Days

Day: 17.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.5 AU - 0.74 AU

Year: 315 Days

Day: 42 Hours

Environment

Temp: -130 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.5

Radius: 8.3

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.56 AU - 0.84 AU

Year: 378 Days

Day: 8.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,965,417 km

• M1: 107,710 km (0.112 R)
• M2: 167,400 km (0.102 R)
• M3: 228,436 km (0.054 R)
• M4: 298,298 km (0.03 R)
• M5: 366,515 km (0.084 R)
• M6: 434,881 km (0.087 R)
• M7: 523,742 km (0.107 R)
• M8: 621,729 km (0.065 R)
• M9: 792,719 km (0.117 R)
• M10: 863,778 km (0.092 R)
• M11: 962,214 km (0.12 R)
• M12: 1,047,185 km (0.118 R)
• M13: 1,123,031 km (0.111 R)
• M14: 1,191,697 km (0.101 R)
• M15: 1,246,449 km (0.117 R)
• M16: 1,299,108 km (0.067 R)
• M17: 1,497,175 km (0.092 R)
• M18: 1,593,367 km (0.109 R)
• M19: 1,647,222 km (0.104 R)
• M20: 1,722,470 km (0.06 R)
• M21: 1,890,618 km (0.067 R)
• M22: 1,983,967 km (0.087 R)
• M23: 2,049,640 km (0.066 R)
• M24: 2,115,912 km (0.091 R)
• M25: 2,182,932 km (0.074 R)
• M26: 2,269,699 km (0.108 R)
• M27: 2,322,956 km (0.107 R)
• M28: 2,399,999 km (0.047 R)
• M29: 2,454,452 km (0.084 R)
• M30: 2,536,731 km (0.096 R)
• M31: 2,592,232 km (0.093 R)
• M32: 2,668,228 km (0.057 R)
• M33: 2,748,861 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227

Radius: 11.4

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.18 AU - 3.26 AU

Year: 2896 Days

Day: 11.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 70,965,417 km

• M1: 165,605 km (0.084 R)
• M2: 283,638 km (0.117 R)
• M3: 419,622 km (0.094 R)
• M4: 498,161 km (0.097 R)
• M5: 596,447 km (0.1 R)
• M6: 709,842 km (0.081 R)
• M7: 927,507 km (0.118 R)
• M8: 1,070,672 km (0.086 R)
• M9: 1,399,039 km (0.079 R)
• M10: 1,727,855 km (0.028 R)
• M11: 1,906,924 km (0.057 R)
• M12: 1,982,471 km (0.106 R)
• M13: 2,516,386 km (0.111 R)
• M14: 2,756,939 km (0.117 R)
• M15: 3,170,278 km (0.077 R)
• M16: 3,536,643 km (0.111 R)
• M17: 4,395,784 km (0.12 R)
• M18: 4,583,978 km (0.111 R)
• M19: 4,745,394 km (0.114 R)
• M20: 4,849,065 km (0.112 R)
• M21: 4,998,514 km (0.101 R)
• M22: 5,195,085 km (0.048 R)
• M23: 5,737,078 km (0.09 R)
• M24: 6,006,803 km (0.075 R)
• M25: 6,329,636 km (0.097 R)
• M26: 6,542,513 km (0.105 R)
• M27: 6,641,547 km (0.118 R)
• M28: 6,724,574 km (0.055 R)
• M29: 6,807,900 km (0.076 R)
• M30: 7,076,727 km (0.108 R)
• M31: 7,694,417 km (0.078 R)
• M32: 7,869,147 km (0.106 R)
• M33: 8,027,571 km (0.095 R)
• M34: 8,545,030 km (0.031 R)
• M35: 8,744,145 km (0.105 R)
• M36: 8,963,156 km (0.106 R)
• M37: 9,147,012 km (0.117 R)
• M38: 9,276,564 km (0.108 R)
• M39: 9,838,304 km (0.059 R)
• M40: 10,257,477 km (0.12 R)
• M41: 11,054,086 km (0.117 R)
• M42: 11,749,866 km (0.114 R)
• M43: 13,309,124 km (0.108 R)
• M44: 13,730,242 km (0.058 R)
• M45: 14,327,138 km (0.089 R)
• M46: 14,413,156 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.1

Radius: 10.8

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.57 AU - 4.29 AU

Year: 4102 Days

Day: 7.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 70,965,417 km

• M1: 144,811 km (0.076 R)
• M2: 240,553 km (0.108 R)
• M3: 411,095 km (0.118 R)
• M4: 628,461 km (0.12 R)
• M5: 798,404 km (0.099 R)
• M6: 1,077,105 km (0.073 R)
• M7: 1,160,879 km (0.096 R)
• M8: 1,386,623 km (0.097 R)
• M9: 1,780,514 km (0.074 R)
• M10: 1,997,880 km (0.102 R)
• M11: 2,224,072 km (0.099 R)
• M12: 2,316,972 km (0.099 R)
• M13: 2,554,982 km (0.1 R)
• M14: 2,969,518 km (0.045 R)
• M15: 3,175,963 km (0.074 R)
• M16: 3,387,345 km (0.084 R)
• M17: 3,805,471 km (0.12 R)
• M18: 4,068,015 km (0.094 R)
• M19: 4,810,619 km (0.041 R)
• M20: 5,115,350 km (0.113 R)
• M21: 6,110,475 km (0.101 R)
• M22: 6,529,648 km (0.119 R)
• M23: 6,799,223 km (0.083 R)
• M24: 7,256,694 km (0.071 R)
• M25: 7,372,632 km (0.108 R)
• M26: 7,653,427 km (0.033 R)
• M27: 7,771,460 km (0.117 R)
• M28: 8,057,192 km (0.115 R)
• M29: 8,565,675 km (0.063 R)
• M30: 8,712,879 km (0.114 R)
• M31: 8,786,781 km (0.116 R)
• M32: 9,284,941 km (0.057 R)
• M33: 9,690,202 km (0.097 R)
• M34: 10,308,789 km (0.103 R)
• M35: 10,387,029 km (0.112 R)
• M36: 10,940,242 km (0.109 R)
• M37: 11,260,531 km (0.115 R)
• M38: 11,719,796 km (0.113 R)
• M39: 11,910,683 km (0.064 R)
• M40: 13,389,309 km (0.117 R)
• M41: 13,531,875 km (0.12 R)
• M42: 13,962,268 km (0.12 R)
• M43: 14,164,674 km (0.113 R)
• M44: 14,251,740 km (0.119 R)
• M45: 14,719,084 km (0.08 R)
• M46: 15,399,605 km (0.107 R)
• M47: 15,668,731 km (0.063 R)
• M48: 15,909,285 km (0.118 R)
• M49: 16,638,275 km (0.086 R)
• M50: 17,130,303 km (0.063 R)
• M51: 17,908,660 km (0.112 R)
• M52: 18,097,154 km (0.084 R)
• M53: 18,191,699 km (0.074 R)
• M54: 18,317,960 km (0.112 R)
• M55: 19,467,470 km (0.099 R)
• M56: 20,181,501 km (0.093 R)
• M57: 20,312,249 km (0.09 R)
• M58: 20,574,644 km (0.098 R)
• M59: 20,838,086 km (0.1 R)
• M60: 21,102,575 km (0.104 R)
• M61: 22,476,033 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.3

Radius: 9.5

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.99 AU - 5.53 AU

Year: 6705 Days

Day: 10.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 70,965,417 km

• M1: 119,080 km (0.119 R)
• M2: 313,557 km (0.071 R)
• M3: 416,032 km (0.113 R)
• M4: 716,424 km (0.116 R)
• M5: 999,763 km (0.067 R)
• M6: 1,217,278 km (0.115 R)
• M7: 1,331,870 km (0.1 R)
• M8: 1,634,506 km (0.068 R)
• M9: 1,761,814 km (0.095 R)
• M10: 2,094,370 km (0.098 R)
• M11: 2,180,688 km (0.029 R)
• M12: 2,990,910 km (0.055 R)
• M13: 3,167,436 km (0.089 R)
• M14: 4,187,394 km (0.068 R)
• M15: 5,467,204 km (0.114 R)
• M16: 5,659,437 km (0.084 R)
• M17: 5,853,765 km (0.064 R)
• M18: 6,100,003 km (0.066 R)
• M19: 6,374,664 km (0.104 R)
• M20: 6,475,643 km (0.111 R)
• M21: 7,040,076 km (0.089 R)
• M22: 7,144,495 km (0.073 R)
• M23: 7,487,224 km (0.094 R)
• M24: 7,835,338 km (0.102 R)
• M25: 8,106,709 km (0.092 R)
• M26: 9,137,588 km (0.118 R)
• M27: 9,223,008 km (0.109 R)
• M28: 9,308,728 km (0.113 R)
• M29: 9,394,597 km (0.091 R)
• M30: 9,828,281 km (0.068 R)
• M31: 10,357,409 km (0.115 R)
• M32: 10,416,649 km (0.077 R)
• M33: 10,535,729 km (0.029 R)
• M34: 10,775,235 km (0.114 R)
• M35: 10,925,880 km (0.089 R)
• M36: 11,168,229 km (0.104 R)
• M37: 12,061,927 km (0.041 R)
• M38: 12,723,299 km (0.055 R)
• M39: 13,331,863 km (0.088 R)
• M40: 13,623,429 km (0.09 R)
• M41: 13,982,763 km (0.077 R)
• M42: 14,179,933 km (0.095 R)
• M43: 14,444,422 km (0.106 R)
• M44: 14,643,836 km (0.092 R)
• M45: 14,777,427 km (0.08 R)
• M46: 14,978,337 km (0.087 R)
• M47: 15,484,726 km (0.117 R)
• M48: 15,688,777 km (0.073 R)
• M49: 15,893,876 km (0.102 R)
• M50: 16,375,731 km (0.079 R)
• M51: 17,107,564 km (0.085 R)
• M52: 18,350,722 km (0.093 R)
• M53: 19,549,450 km (0.079 R)
• M54: 19,807,057 km (0.11 R)
• M55: 20,139,763 km (0.093 R)
• M56: 20,961,055 km (0.096 R)
• M57: 21,036,153 km (0.116 R)
• M58: 21,186,798 km (0.099 R)
• M59: 21,793,119 km (0.037 R)
• M60: 22,213,189 km (0.076 R)
• M61: 23,450,663 km (0.098 R)
• M62: 24,116,972 km (0.059 R)
• M63: 24,195,810 km (0.061 R)
• M64: 25,068,414 km (0.099 R)
• M65: 25,991,732 km (0.118 R)
• M66: 26,681,379 km (0.118 R)
• M67: 27,376,859 km (0.053 R)
• M68: 27,582,706 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.1

Radius: 5

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.12 AU - 8.44 AU

Year: 12683 Days

Day: 18.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 70,965,417 km

• M1: 68,815 km (0.076 R)
• M2: 192,832 km (0.108 R)
• M3: 370,404 km (0.087 R)
• M4: 550,520 km (0.117 R)
• M5: 650,452 km (0.059 R)
• M6: 835,504 km (0.064 R)
• M7: 1,623,137 km (0.081 R)
• M8: 2,551,990 km (0.104 R)
• M9: 2,623,797 km (0.104 R)
• M10: 3,508,668 km (0.052 R)
• M11: 4,220,455 km (0.06 R)
• M12: 4,886,315 km (0.103 R)
• M13: 5,065,234 km (0.084 R)
• M14: 5,491,289 km (0.104 R)
• M15: 6,087,885 km (0.055 R)
• M16: 6,442,582 km (0.095 R)
• M17: 6,573,330 km (0.099 R)
• M18: 7,205,830 km (0.075 R)
• M19: 8,278,896 km (0.119 R)
• M20: 8,456,618 km (0.05 R)
• M21: 9,660,881 km (0.105 R)
• M22: 9,923,126 km (0.068 R)
• M23: 10,340,055 km (0.08 R)
• M24: 10,995,443 km (0.089 R)
• M25: 11,347,896 km (0.037 R)
• M26: 11,505,722 km (0.086 R)
• M27: 11,664,296 km (0.11 R)
• M28: 11,943,595 km (0.067 R)
• M29: 12,023,779 km (0.032 R)
• M30: 12,346,312 km (0.113 R)
• M31: 12,835,497 km (0.12 R)
• M32: 12,917,627 km (0.066 R)
• M33: 13,123,772 km (0.084 R)
• M34: 14,001,314 km (0.09 R)
• M35: 15,418,155 km (0.101 R)
• M36: 15,724,681 km (0.113 R)
• M37: 16,033,002 km (0.108 R)
• M38: 16,566,319 km (0.118 R)
• M39: 19,084,051 km (0.11 R)
• M40: 20,028,761 km (0.112 R)
• M41: 21,522,945 km (0.058 R)
• M42: 21,718,320 km (0.103 R)
• M43: 22,110,864 km (0.068 R)
• M44: 22,160,082 km (0.075 R)
• M45: 23,906,189 km (0.115 R)
• M46: 23,956,753 km (0.065 R)
• M47: 24,209,872 km (0.115 R)
• M48: 25,026,078 km (0.116 R)
• M49: 25,334,549 km (0.091 R)
• M50: 25,747,738 km (0.099 R)
• M51: 27,211,254 km (0.104 R)
• M52: 28,808,960 km (0.053 R)
• M53: 29,510,873 km (0.107 R)
• M54: 29,945,455 km (0.102 R)
• M55: 30,327,528 km (0.038 R)
• M56: 30,546,539 km (0.07 R)
• M57: 31,483,321 km (0.055 R)
• M58: 31,983,127 km (0.081 R)
• M59: 32,206,178 km (0.076 R)
• M60: 32,429,677 km (0.026 R)
• M61: 32,485,626 km (0.105 R)
• M62: 32,934,270 km (0.089 R)
• M63: 34,178,925 km (0.11 R)
• M64: 34,521,055 km (0.106 R)
• M65: 35,554,178 km (0.102 R)
• M66: 36,306,655 km (0.077 R)
• M67: 36,597,473 km (0.118 R)
• M68: 36,830,697 km (0.117 R)
• M69: 37,886,259 km (0.112 R)
• M70: 38,063,084 km (0.03 R)
• M71: 40,086,993 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.2

Radius: 3.4

Gravity: 57.72 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.28 AU - 9.28 AU

Year: 18253 Days

Day: 20.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 70,965,417 km

• M1: 75,248 km (0.058 R)
• M2: 356,941 km (0.092 R)
• M3: 631,004 km (0.051 R)
• M4: 696,827 km (0.047 R)
• M5: 1,217,577 km (0.105 R)
• M6: 1,893,759 km (0.078 R)
• M7: 2,524,614 km (0.092 R)
• M8: 2,880,657 km (0.086 R)
• M9: 3,027,412 km (0.072 R)
• M10: 3,443,593 km (0.064 R)
• M11: 3,877,577 km (0.109 R)
• M12: 4,203,850 km (0.098 R)
• M13: 5,279,010 km (0.083 R)
• M14: 6,102,546 km (0.103 R)
• M15: 7,261,181 km (0.062 R)
• M16: 8,381,071 km (0.116 R)
• M17: 8,590,508 km (0.106 R)
• M18: 11,521,729 km (0.101 R)
• M19: 12,342,872 km (0.113 R)
• M20: 13,061,689 km (0.078 R)
• M21: 14,602,099 km (0.085 R)
• M22: 14,727,761 km (0.068 R)
• M23: 15,875,176 km (0.117 R)
• M24: 17,515,667 km (0.096 R)
• M25: 18,051,825 km (0.119 R)
• M26: 18,934,752 km (0.087 R)
• M27: 19,415,859 km (0.086 R)
• M28: 20,180,154 km (0.096 R)
• M29: 21,166,902 km (0.109 R)
• M30: 21,238,111 km (0.112 R)
• M31: 21,309,169 km (0.078 R)
• M32: 21,523,244 km (0.047 R)
• M33: 21,737,917 km (0.059 R)
• M34: 21,953,338 km (0.112 R)
• M35: 22,458,680 km (0.026 R)
• M36: 25,192,730 km (0.09 R)
• M37: 25,570,166 km (0.093 R)
• M38: 25,645,862 km (0.065 R)
• M39: 26,025,542 km (0.062 R)
• M40: 26,713,542 km (0.083 R)
• M41: 27,252,992 km (0.117 R)
• M42: 27,407,676 km (0.107 R)
• M43: 28,029,555 km (0.118 R)
• M44: 28,734,759 km (0.08 R)
• M45: 29,604,671 km (0.055 R)
• M46: 30,402,925 km (0.048 R)
• M47: 31,613,471 km (0.107 R)
• M48: 32,265,568 km (0.047 R)
• M49: 33,086,860 km (0.046 R)
• M50: 33,748,831 km (0.08 R)
• M51: 35,676,250 km (0.096 R)
• M52: 36,354,975 km (0.118 R)
• M53: 37,381,067 km (0.116 R)
• M54: 38,590,117 km (0.118 R)
• M55: 38,850,866 km (0.066 R)
• M56: 40,339,365 km (0.101 R)
• M57: 40,869,241 km (0.116 R)
• M58: 41,579,232 km (0.079 R)
• M59: 43,011,482 km (0.089 R)
• M60: 43,733,591 km (0.106 R)
• M61: 45,373,184 km (0.097 R)
• M62: 46,754,571 km (0.086 R)
• M63: 48,056,521 km (0.119 R)
• M64: 50,695,577 km (0.056 R)
• M65: 51,076,453 km (0.072 R)
• M66: 51,458,227 km (0.084 R)
• M67: 51,936,790 km (0.07 R)
• M68: 54,741,601 km (0.064 R)
• M69: 54,936,826 km (0.102 R)
• M70: 55,916,543 km (0.119 R)
• M71: 56,901,944 km (0.046 R)
• M72: 57,000,828 km (0.053 R)
• M73: 57,297,630 km (0.092 R)
• M74: 57,694,364 km (0.116 R)
• M75: 58,191,477 km (0.085 R)
• M76: 58,889,950 km (0.119 R)
• M77: 59,089,962 km (0.089 R)
• M78: 60,698,438 km (0.085 R)
• M79: 62,015,947 km (0.096 R)
• M80: 62,117,673 km (0.08 R)
• M81: 62,321,276 km (0.057 R)
• M82: 62,627,204 km (0.084 R)
• M83: 63,035,756 km (0.039 R)
• M84: 63,752,928 km (0.12 R)
• M85: 63,855,702 km (0.081 R)
• M86: 64,472,942 km (0.101 R)
• M87: 65,402,394 km (0.098 R)
• M88: 66,336,333 km (0.095 R)
• M89: 66,857,084 km (0.114 R)
• M90: 67,902,773 km (0.08 R)
• M91: 69,059,164 km (0.095 R)
• M92: 70,646,547 km (0.058 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 14,880 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit