🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.43 AU - 0.65 AU

Year: 252 Days

Day: 23.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 41 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.65 AU - 0.65 AU

Year: 333 Days

Day: 41.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.5

Radius: 11.4

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.89 AU - 0.91 AU

Year: 543 Days

Day: 11.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,924,807 km

• M1: 143,016 km (0.111 R)
• M2: 228,286 km (0.118 R)
• M3: 370,105 km (0.118 R)
• M4: 448,943 km (0.036 R)
• M5: 618,138 km (0.1 R)
• M6: 795,113 km (0.089 R)
• M7: 932,444 km (0.114 R)
• M8: 1,027,438 km (0.072 R)
• M9: 1,165,218 km (0.1 R)
• M10: 1,286,691 km (0.119 R)
• M11: 1,379,442 km (0.039 R)
• M12: 1,479,523 km (0.119 R)
• M13: 1,867,580 km (0.088 R)
• M14: 2,005,808 km (0.088 R)
• M15: 2,114,716 km (0.077 R)
• M16: 2,304,256 km (0.048 R)
• M17: 2,401,195 km (0.115 R)
• M18: 2,493,647 km (0.108 R)
• M19: 2,622,899 km (0.095 R)
• M20: 2,839,368 km (0.094 R)
• M21: 2,943,637 km (0.105 R)
• M22: 3,111,785 km (0.032 R)
• M23: 3,244,927 km (0.064 R)
• M24: 3,425,492 km (0.025 R)
• M25: 3,549,808 km (0.042 R)
• M26: 3,837,036 km (0.062 R)
• M27: 3,932,180 km (0.045 R)
• M28: 4,194,425 km (0.087 R)
• M29: 4,426,900 km (0.118 R)
• M30: 4,663,714 km (0.113 R)
• M31: 4,867,915 km (0.097 R)
• M32: 5,082,588 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.1

Radius: 12.8

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.99 AU - 1.13 AU

Year: 694 Days

Day: 9.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 50,924,807 km

• M1: 169,345 km (0.105 R)
• M2: 262,694 km (0.114 R)
• M3: 347,815 km (0.037 R)
• M4: 437,723 km (0.048 R)
• M5: 534,663 km (0.082 R)
• M6: 666,608 km (0.056 R)
• M7: 750,981 km (0.066 R)
• M8: 844,330 km (0.087 R)
• M9: 952,041 km (0.098 R)
• M10: 1,033,721 km (0.106 R)
• M11: 1,128,716 km (0.098 R)
• M12: 1,221,317 km (0.12 R)
• M13: 1,311,076 km (0.075 R)
• M14: 1,414,897 km (0.092 R)
• M15: 1,527,693 km (0.114 R)
• M16: 1,687,165 km (0.115 R)
• M17: 1,768,995 km (0.118 R)
• M18: 1,969,905 km (0.105 R)
• M19: 2,103,795 km (0.103 R)
• M20: 2,185,475 km (0.087 R)
• M21: 2,394,763 km (0.05 R)
• M22: 2,494,694 km (0.085 R)
• M23: 2,588,941 km (0.046 R)
• M24: 2,721,335 km (0.117 R)
• M25: 2,901,451 km (0.106 R)
• M26: 3,218,299 km (0.096 R)
• M27: 3,457,506 km (0.069 R)
• M28: 3,612,041 km (0.054 R)
• M29: 3,844,067 km (0.048 R)
• M30: 3,961,800 km (0.117 R)
• M31: 4,063,826 km (0.033 R)
• M32: 4,331,457 km (0.116 R)
• M33: 4,471,929 km (0.083 R)
• M34: 4,569,467 km (0.065 R)
• M35: 4,676,579 km (0.116 R)
• M36: 5,206,305 km (0.083 R)
• M37: 5,365,178 km (0.084 R)
• M38: 5,468,849 km (0.103 R)
• M39: 5,592,268 km (0.089 R)
• M40: 5,687,861 km (0.111 R)
• M41: 5,774,478 km (0.078 R)
• M42: 5,909,864 km (0.117 R)
• M43: 6,124,836 km (0.111 R)
• M44: 6,282,961 km (0.118 R)
• M45: 6,442,283 km (0.086 R)
• M46: 6,846,795 km (0.091 R)
• M47: 6,990,260 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.5

Radius: 13.7

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.55 AU - 2.99 AU

Year: 2931 Days

Day: 12.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 50,924,807 km

• M1: 173,683 km (0.116 R)
• M2: 292,913 km (0.043 R)
• M3: 398,828 km (0.116 R)
• M4: 556,953 km (0.046 R)
• M5: 676,781 km (0.096 R)
• M6: 778,208 km (0.077 R)
• M7: 998,715 km (0.112 R)
• M8: 1,275,471 km (0.113 R)
• M9: 1,527,693 km (0.039 R)
• M10: 1,628,223 km (0.08 R)
• M11: 2,067,293 km (0.116 R)
• M12: 2,279,273 km (0.086 R)
• M13: 2,395,361 km (0.104 R)
• M14: 2,543,313 km (0.092 R)
• M15: 2,633,521 km (0.077 R)
• M16: 2,755,742 km (0.037 R)
• M17: 2,974,155 km (0.08 R)
• M18: 3,296,239 km (0.12 R)
• M19: 3,562,075 km (0.11 R)
• M20: 3,697,760 km (0.071 R)
• M21: 4,132,940 km (0.053 R)
• M22: 4,293,758 km (0.065 R)
• M23: 4,584,726 km (0.058 R)
• M24: 4,732,678 km (0.086 R)
• M25: 4,901,125 km (0.12 R)
• M26: 5,167,110 km (0.096 R)
• M27: 5,301,749 km (0.088 R)
• M28: 5,418,285 km (0.052 R)
• M29: 5,574,914 km (0.046 R)
• M30: 5,792,878 km (0.057 R)
• M31: 6,860,858 km (0.081 R)
• M32: 6,966,773 km (0.118 R)
• M33: 7,137,314 km (0.116 R)
• M34: 7,223,184 km (0.03 R)
• M35: 7,374,277 km (0.108 R)
• M36: 7,526,418 km (0.115 R)
• M37: 7,613,784 km (0.049 R)
• M38: 8,483,695 km (0.069 R)
• M39: 8,666,055 km (0.116 R)
• M40: 8,803,685 km (0.107 R)
• M41: 9,244,400 km (0.099 R)
• M42: 9,361,536 km (0.086 R)
• M43: 9,550,178 km (0.075 R)
• M44: 9,811,376 km (0.072 R)
• M45: 9,978,926 km (0.086 R)
• M46: 10,195,693 km (0.113 R)
• M47: 10,487,260 km (0.071 R)
• M48: 11,630,187 km (0.076 R)
• M49: 12,242,192 km (0.083 R)
• M50: 12,396,876 km (0.119 R)
• M51: 12,526,279 km (0.039 R)
• M52: 12,760,250 km (0.087 R)
• M53: 12,917,178 km (0.101 R)
• M54: 13,048,375 km (0.037 R)
• M55: 13,153,542 km (0.113 R)
• M56: 13,418,031 km (0.087 R)
• M57: 13,684,166 km (0.116 R)
• M58: 13,952,096 km (0.102 R)
• M59: 15,373,425 km (0.088 R)
• M60: 15,512,551 km (0.042 R)
• M61: 16,044,820 km (0.116 R)
• M62: 16,554,800 km (0.077 R)
• M63: 17,503,549 km (0.063 R)
• M64: 18,558,513 km (0.106 R)
• M65: 18,736,385 km (0.099 R)
• M66: 19,093,775 km (0.095 R)
• M67: 19,363,350 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.3

Radius: 8.3

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.96 AU - 5.88 AU

Year: 6939 Days

Day: 14.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 50,924,807 km

• M1: 104,419 km (0.071 R)
• M2: 170,093 km (0.116 R)
• M3: 273,914 km (0.082 R)
• M4: 763,248 km (0.114 R)
• M5: 1,086,529 km (0.116 R)
• M6: 1,254,827 km (0.068 R)
• M7: 1,486,554 km (0.108 R)
• M8: 1,693,448 km (0.119 R)
• M9: 2,072,529 km (0.105 R)
• M10: 2,240,079 km (0.049 R)
• M11: 2,390,424 km (0.079 R)
• M12: 2,544,061 km (0.092 R)
• M13: 2,746,467 km (0.104 R)
• M14: 3,071,843 km (0.1 R)
• M15: 3,143,201 km (0.064 R)
• M16: 3,434,019 km (0.119 R)
• M17: 3,508,220 km (0.04 R)
• M18: 3,759,095 km (0.057 R)
• M19: 3,938,314 km (0.114 R)
• M20: 4,331,606 km (0.073 R)
• M21: 5,240,862 km (0.066 R)
• M22: 5,615,006 km (0.081 R)
• M23: 6,207,414 km (0.112 R)
• M24: 6,819,569 km (0.062 R)
• M25: 7,196,106 km (0.096 R)
• M26: 7,515,049 km (0.081 R)
• M27: 7,708,778 km (0.118 R)
• M28: 7,936,765 km (0.079 R)
• M29: 8,299,540 km (0.081 R)
• M30: 8,701,510 km (0.076 R)
• M31: 8,769,128 km (0.054 R)
• M32: 9,212,835 km (0.109 R)
• M33: 10,015,877 km (0.079 R)
• M34: 10,157,845 km (0.081 R)
• M35: 10,768,504 km (0.058 R)
• M36: 11,060,070 km (0.056 R)
• M37: 11,170,024 km (0.027 R)
• M38: 11,465,181 km (0.11 R)
• M39: 11,725,481 km (0.055 R)
• M40: 11,837,680 km (0.095 R)
• M41: 12,025,425 km (0.119 R)
• M42: 12,251,916 km (0.077 R)
• M43: 14,115,157 km (0.076 R)
• M44: 14,394,158 km (0.077 R)
• M45: 14,675,102 km (0.109 R)
• M46: 15,242,228 km (0.078 R)
• M47: 16,147,893 km (0.029 R)
• M48: 17,624,574 km (0.101 R)
• M49: 17,753,079 km (0.041 R)
• M50: 17,924,966 km (0.089 R)
• M51: 18,487,604 km (0.099 R)
• M52: 18,749,101 km (0.057 R)
• M53: 18,836,616 km (0.051 R)
• M54: 19,541,222 km (0.102 R)
• M55: 19,896,816 km (0.085 R)
• M56: 20,030,706 km (0.061 R)
• M57: 20,164,895 km (0.112 R)
• M58: 20,930,986 km (0.073 R)
• M59: 21,112,598 km (0.095 R)
• M60: 21,477,467 km (0.039 R)
• M61: 21,982,510 km (0.105 R)
• M62: 22,724,216 km (0.081 R)
• M63: 22,910,914 km (0.066 R)
• M64: 23,379,903 km (0.095 R)
• M65: 23,521,124 km (0.088 R)
• M66: 24,089,147 km (0.052 R)
• M67: 24,232,013 km (0.101 R)
• M68: 25,142,465 km (0.073 R)
• M69: 25,820,443 km (0.098 R)
• M70: 26,651,758 km (0.039 R)
• M71: 27,046,098 km (0.03 R)
• M72: 27,641,199 km (0.064 R)
• M73: 28,190,372 km (0.087 R)
• M74: 29,248,927 km (0.058 R)
• M75: 29,553,807 km (0.092 R)
• M76: 30,217,872 km (0.119 R)
• M77: 30,990,246 km (0.088 R)
• M78: 31,508,752 km (0.036 R)
• M79: 32,923,051 km (0.094 R)
• M80: 33,293,156 km (0.08 R)
• M81: 34,144,068 km (0.085 R)
• M82: 34,197,475 km (0.069 R)
• M83: 34,357,993 km (0.114 R)
• M84: 35,271,887 km (0.095 R)
• M85: 35,325,892 km (0.114 R)
• M86: 35,434,051 km (0.055 R)
• M87: 35,596,365 km (0.072 R)
• M88: 35,921,740 km (0.037 R)
• M89: 36,466,426 km (0.036 R)

Asteroid Belt

Center: 5.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869.3

Radius: 3.3

Gravity: 79.83 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.71 AU - 6.61 AU

Year: 9721 Days

Day: 16.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 50,924,807 km

• M1: 49,367 km (0.091 R)
• M2: 163,959 km (0.069 R)
• M3: 374,294 km (0.085 R)
• M4: 463,454 km (0.111 R)
• M5: 627,114 km (0.107 R)
• M6: 1,392,008 km (0.082 R)
• M7: 1,797,119 km (0.109 R)
• M8: 1,999,525 km (0.046 R)
• M9: 2,509,055 km (0.058 R)
• M10: 5,763,856 km (0.098 R)
• M11: 6,061,107 km (0.063 R)
• M12: 6,211,603 km (0.08 R)
• M13: 6,478,037 km (0.11 R)
• M14: 7,580,124 km (0.074 R)
• M15: 7,620,516 km (0.039 R)
• M16: 7,782,979 km (0.11 R)
• M17: 7,864,510 km (0.114 R)
• M18: 7,905,499 km (0.119 R)
• M19: 8,318,689 km (0.098 R)
• M20: 8,402,164 km (0.11 R)
• M21: 8,654,237 km (0.067 R)
• M22: 9,338,497 km (0.119 R)
• M23: 9,468,648 km (0.115 R)
• M24: 9,687,061 km (0.091 R)
• M25: 9,907,119 km (0.119 R)
• M26: 9,951,400 km (0.09 R)
• M27: 10,084,392 km (0.106 R)
• M28: 10,217,983 km (0.091 R)
• M29: 10,262,713 km (0.11 R)
• M30: 10,352,173 km (0.12 R)
• M31: 11,307,804 km (0.118 R)
• M32: 11,400,255 km (0.1 R)
• M33: 11,632,581 km (0.043 R)
• M34: 11,866,402 km (0.062 R)
• M35: 12,962,057 km (0.113 R)
• M36: 13,155,786 km (0.089 R)
• M37: 14,039,760 km (0.093 R)
• M38: 14,489,003 km (0.101 R)
• M39: 14,791,041 km (0.089 R)
• M40: 15,146,036 km (0.089 R)
• M41: 15,606,499 km (0.114 R)
• M42: 15,761,033 km (0.05 R)
• M43: 17,015,561 km (0.113 R)
• M44: 17,121,476 km (0.074 R)
• M45: 17,601,087 km (0.115 R)
• M46: 17,923,321 km (0.117 R)
• M47: 19,011,346 km (0.079 R)
• M48: 20,401,110 km (0.108 R)
• M49: 21,593,555 km (0.083 R)
• M50: 22,517,172 km (0.09 R)
• M51: 22,691,753 km (0.118 R)
• M52: 23,042,261 km (0.091 R)
• M53: 23,276,980 km (0.05 R)
• M54: 23,985,924 km (0.026 R)
• M55: 24,045,315 km (0.095 R)
• M56: 24,761,739 km (0.09 R)
• M57: 25,183,006 km (0.05 R)
• M58: 25,243,444 km (0.108 R)
• M59: 26,032,423 km (0.092 R)
• M60: 27,386,284 km (0.088 R)
• M61: 27,448,367 km (0.106 R)
• M62: 27,572,683 km (0.08 R)
• M63: 28,259,636 km (0.068 R)
• M64: 28,573,792 km (0.074 R)
• M65: 28,699,753 km (0.092 R)
• M66: 29,777,905 km (0.098 R)
• M67: 30,161,623 km (0.098 R)
• M68: 30,289,829 km (0.106 R)
• M69: 30,740,268 km (0.075 R)
• M70: 30,869,221 km (0.104 R)
• M71: 31,322,503 km (0.105 R)
• M72: 31,908,328 km (0.077 R)
• M73: 32,169,975 km (0.112 R)
• M74: 33,820,787 km (0.094 R)
• M75: 34,824,440 km (0.088 R)
• M76: 35,228,653 km (0.111 R)
• M77: 35,296,122 km (0.081 R)
• M78: 36,245,918 km (0.112 R)
• M79: 38,031,818 km (0.108 R)
• M80: 38,239,759 km (0.093 R)
• M81: 39,145,125 km (0.098 R)
• M82: 39,775,979 km (0.093 R)
• M83: 40,480,885 km (0.117 R)
• M84: 41,261,187 km (0.09 R)
• M85: 41,546,021 km (0.106 R)
• M86: 41,617,380 km (0.047 R)
• M87: 42,620,284 km (0.08 R)
• M88: 43,558,861 km (0.103 R)
• M89: 43,631,266 km (0.1 R)
• M90: 44,504,020 km (0.083 R)
• M91: 44,942,492 km (0.11 R)
• M92: 47,603,688 km (0.094 R)
• M93: 47,977,384 km (0.038 R)
• M94: 49,708,530 km (0.081 R)
• M95: 50,315,449 km (0.101 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 14,065 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit