🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.51 AU - 0.81 AU

Year: 190 Days

Day: 40.2 Hours

Environment

Temp: 183 °C

Axial Tilt: 10.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.57 AU - 0.91 AU

Year: 226 Days

Day: 45.6 Hours

Environment

Temp: 171 °C

Axial Tilt: 32.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.75 AU - 2.43 AU

Year: 1072 Days

Day: 32.3 Hours

Environment

Temp: -64 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,677,473 km

• M1: 1,044,343 km (0.088 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.27 AU - 4.75 AU

Year: 2849 Days

Day: 42.2 Hours

Environment

Temp: -117 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,677,473 km

• M1: 48,171 km (0.12 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.62 AU - 5.06 AU

Year: 3208 Days

Day: 44.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,677,473 km

• M1: 219,909 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.1

Radius: 10

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.05 AU - 5.63 AU

Year: 4378 Days

Day: 12.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 94,677,473 km

• M1: 125,213 km (0.095 R)
• M2: 257,159 km (0.116 R)
• M3: 433,983 km (0.079 R)
• M4: 529,277 km (0.115 R)
• M5: 676,482 km (0.06 R)
• M6: 790,475 km (0.049 R)
• M7: 1,038,957 km (0.039 R)
• M8: 1,131,857 km (0.114 R)
• M9: 1,532,331 km (0.114 R)
• M10: 1,975,290 km (0.066 R)
• M11: 2,601,058 km (0.116 R)
• M12: 2,766,663 km (0.076 R)
• M13: 3,585,562 km (0.107 R)
• M14: 4,128,303 km (0.105 R)
• M15: 4,257,107 km (0.117 R)
• M16: 4,475,071 km (0.116 R)
• M17: 4,652,045 km (0.045 R)
• M18: 4,718,915 km (0.112 R)
• M19: 4,990,136 km (0.069 R)
• M20: 5,127,617 km (0.069 R)
• M21: 5,737,826 km (0.089 R)
• M22: 5,906,124 km (0.118 R)
• M23: 6,027,298 km (0.062 R)
• M24: 7,440,699 km (0.069 R)
• M25: 7,598,076 km (0.119 R)
• M26: 7,836,086 km (0.111 R)
• M27: 8,265,582 km (0.096 R)
• M28: 8,510,473 km (0.095 R)
• M29: 8,647,505 km (0.081 R)
• M30: 8,923,962 km (0.099 R)
• M31: 9,175,137 km (0.072 R)
• M32: 9,372,307 km (0.081 R)
• M33: 10,203,622 km (0.062 R)
• M34: 10,436,995 km (0.099 R)
• M35: 10,642,841 km (0.078 R)
• M36: 11,088,194 km (0.068 R)
• M37: 11,449,024 km (0.049 R)
• M38: 12,616,785 km (0.109 R)
• M39: 12,679,317 km (0.082 R)
• M40: 12,867,511 km (0.119 R)
• M41: 13,056,603 km (0.107 R)
• M42: 13,501,357 km (0.073 R)
• M43: 13,661,427 km (0.089 R)
• M44: 13,790,081 km (0.045 R)
• M45: 13,886,722 km (0.118 R)
• M46: 14,048,287 km (0.09 R)
• M47: 14,308,139 km (0.097 R)
• M48: 14,504,112 km (0.108 R)
• M49: 14,635,160 km (0.045 R)
• M50: 14,700,833 km (0.12 R)
• M51: 14,898,602 km (0.116 R)
• M52: 15,631,182 km (0.091 R)
• M53: 15,731,862 km (0.117 R)
• M54: 15,900,458 km (0.105 R)
• M55: 17,165,757 km (0.12 R)
• M56: 17,617,992 km (0.058 R)
• M57: 18,180,031 km (0.068 R)
• M58: 18,250,791 km (0.06 R)
• M59: 18,855,166 km (0.11 R)
• M60: 19,177,699 km (0.099 R)
• M61: 19,538,380 km (0.119 R)
• M62: 20,193,169 km (0.099 R)
• M63: 20,339,626 km (0.089 R)
• M64: 20,449,730 km (0.097 R)
• M65: 20,633,586 km (0.097 R)
• M66: 20,818,189 km (0.104 R)
• M67: 20,892,091 km (0.096 R)
• M68: 21,077,293 km (0.101 R)
• M69: 21,636,490 km (0.047 R)
• M70: 22,578,956 km (0.069 R)
• M71: 22,845,390 km (0.064 R)
• M72: 23,074,424 km (0.099 R)
• M73: 23,189,316 km (0.11 R)
• M74: 23,381,100 km (0.09 R)
• M75: 24,037,386 km (0.114 R)
• M76: 25,170,590 km (0.063 R)
• M77: 25,763,745 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.7

Radius: 14.3

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.08 AU - 6.52 AU

Year: 4955 Days

Day: 9.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 94,677,473 km

• M1: 183,856 km (0.099 R)
• M2: 338,839 km (0.096 R)
• M3: 568,622 km (0.112 R)
• M4: 721,511 km (0.095 R)
• M5: 1,616,854 km (0.1 R)
• M6: 1,845,290 km (0.068 R)
• M7: 2,100,055 km (0.101 R)
• M8: 2,334,624 km (0.052 R)
• M9: 2,495,891 km (0.076 R)
• M10: 2,795,835 km (0.112 R)
• M11: 3,019,932 km (0.097 R)
• M12: 3,671,581 km (0.067 R)
• M13: 3,994,562 km (0.087 R)
• M14: 4,406,405 km (0.115 R)
• M15: 4,607,465 km (0.108 R)
• M16: 4,791,021 km (0.1 R)
• M17: 5,102,484 km (0.119 R)
• M18: 5,250,137 km (0.049 R)
• M19: 5,442,071 km (0.067 R)
• M20: 5,965,215 km (0.115 R)
• M21: 6,550,592 km (0.119 R)
• M22: 6,780,523 km (0.108 R)
• M23: 6,919,949 km (0.026 R)
• M24: 7,083,609 km (0.081 R)
• M25: 8,019,643 km (0.106 R)
• M26: 9,020,153 km (0.12 R)
• M27: 9,302,145 km (0.086 R)
• M28: 9,457,278 km (0.116 R)
• M29: 9,848,776 km (0.06 R)
• M30: 10,325,544 km (0.07 R)
• M31: 11,329,496 km (0.053 R)
• M32: 11,857,277 km (0.049 R)
• M33: 11,969,326 km (0.086 R)
• M34: 12,222,894 km (0.106 R)
• M35: 12,620,974 km (0.071 R)
• M36: 12,994,370 km (0.103 R)
• M37: 13,371,357 km (0.055 R)
• M38: 13,546,686 km (0.107 R)
• M39: 13,781,554 km (0.085 R)
• M40: 13,929,058 km (0.065 R)
• M41: 14,255,480 km (0.114 R)
• M42: 14,945,874 km (0.045 R)
• M43: 15,036,830 km (0.078 R)
• M44: 15,893,876 km (0.104 R)
• M45: 16,110,793 km (0.103 R)
• M46: 16,515,904 km (0.082 R)
• M47: 16,735,514 km (0.089 R)
• M48: 16,924,456 km (0.111 R)
• M49: 17,082,581 km (0.107 R)
• M50: 17,559,648 km (0.109 R)
• M51: 17,655,541 km (0.057 R)
• M52: 18,073,368 km (0.096 R)
• M53: 19,148,527 km (0.118 R)
• M54: 19,577,724 km (0.063 R)
• M55: 19,710,417 km (0.094 R)
• M56: 19,843,559 km (0.106 R)
• M57: 20,210,822 km (0.064 R)
• M58: 20,681,756 km (0.12 R)
• M59: 20,850,802 km (0.082 R)
• M60: 21,020,296 km (0.062 R)
• M61: 21,702,761 km (0.102 R)
• M62: 22,288,736 km (0.109 R)
• M63: 22,635,803 km (0.09 R)
• M64: 23,440,939 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.2

Radius: 10.8

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.31 AU - 11.21 AU

Year: 9997 Days

Day: 10.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 94,677,473 km

• M1: 140,323 km (0.079 R)
• M2: 363,972 km (0.093 R)
• M3: 519,553 km (0.077 R)
• M4: 769,531 km (0.106 R)
• M5: 856,747 km (0.108 R)
• M6: 994,377 km (0.108 R)
• M7: 1,416,243 km (0.099 R)
• M8: 1,525,599 km (0.109 R)
• M9: 1,772,436 km (0.104 R)
• M10: 2,240,827 km (0.085 R)
• M11: 2,522,519 km (0.092 R)
• M12: 2,611,530 km (0.118 R)
• M13: 3,072,441 km (0.115 R)
• M14: 3,459,600 km (0.119 R)
• M15: 3,633,882 km (0.108 R)
• M16: 4,200,708 km (0.109 R)
• M17: 4,521,745 km (0.104 R)
• M18: 5,795,272 km (0.054 R)
• M19: 6,092,523 km (0.079 R)
• M20: 6,182,730 km (0.091 R)
• M21: 7,395,670 km (0.08 R)
• M22: 8,747,885 km (0.09 R)
• M23: 8,952,086 km (0.067 R)
• M24: 9,054,860 km (0.113 R)
• M25: 9,434,988 km (0.072 R)
• M26: 10,389,871 km (0.109 R)
• M27: 10,534,084 km (0.109 R)
• M28: 10,787,802 km (0.073 R)
• M29: 11,375,572 km (0.055 R)
• M30: 11,710,671 km (0.098 R)
• M31: 11,935,965 km (0.035 R)
• M32: 12,049,061 km (0.106 R)
• M33: 12,124,758 km (0.054 R)
• M34: 12,505,484 km (0.035 R)
• M35: 13,006,188 km (0.055 R)
• M36: 13,083,680 km (0.054 R)
• M37: 13,749,690 km (0.077 R)
• M38: 13,868,471 km (0.102 R)
• M39: 13,987,401 km (0.104 R)
• M40: 14,106,780 km (0.106 R)
• M41: 14,627,979 km (0.078 R)
• M42: 14,951,858 km (0.12 R)
• M43: 15,073,930 km (0.07 R)
• M44: 15,442,091 km (0.085 R)
• M45: 15,730,515 km (0.064 R)
• M46: 17,369,958 km (0.082 R)
• M47: 17,498,313 km (0.049 R)
• M48: 18,667,720 km (0.071 R)
• M49: 18,843,198 km (0.061 R)
• M50: 19,151,370 km (0.086 R)
• M51: 19,817,679 km (0.114 R)
• M52: 20,266,024 km (0.049 R)
• M53: 21,447,398 km (0.044 R)
• M54: 21,723,107 km (0.082 R)
• M55: 22,464,364 km (0.101 R)
• M56: 23,449,765 km (0.067 R)
• M57: 23,781,424 km (0.109 R)
• M58: 24,305,615 km (0.062 R)
• M59: 25,171,637 km (0.095 R)
• M60: 25,803,389 km (0.105 R)
• M61: 27,181,933 km (0.111 R)
• M62: 27,331,082 km (0.057 R)
• M63: 27,630,128 km (0.116 R)
• M64: 27,930,222 km (0.053 R)
• M65: 28,584,264 km (0.111 R)
• M66: 29,039,939 km (0.096 R)
• M67: 29,243,242 km (0.097 R)
• M68: 29,702,508 km (0.034 R)
• M69: 30,266,940 km (0.047 R)
• M70: 30,628,070 km (0.112 R)
• M71: 30,886,874 km (0.103 R)
• M72: 31,615,266 km (0.101 R)
• M73: 33,248,426 km (0.083 R)
• M74: 33,674,331 km (0.062 R)
• M75: 34,155,587 km (0.084 R)
• M76: 35,341,749 km (0.064 R)
• M77: 36,705,932 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.5

Radius: 6.3

Gravity: 17.85 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 17.89 AU - 18.29 AU

Year: 27296 Days

Day: 17.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 94,677,473 km

• M1: 287,976 km (0.072 R)
• M2: 430,094 km (0.082 R)
• M3: 498,011 km (0.113 R)
• M4: 892,650 km (0.09 R)
• M5: 1,042,248 km (0.12 R)
• M6: 1,755,830 km (0.097 R)
• M7: 1,868,029 km (0.08 R)
• M8: 2,980,588 km (0.091 R)
• M9: 3,025,019 km (0.045 R)
• M10: 3,069,898 km (0.037 R)
• M11: 3,864,263 km (0.094 R)
• M12: 4,109,454 km (0.115 R)
• M13: 4,512,470 km (0.085 R)
• M14: 5,410,057 km (0.088 R)
• M15: 5,464,511 km (0.089 R)
• M16: 6,944,483 km (0.106 R)
• M17: 7,122,803 km (0.054 R)
• M18: 7,242,482 km (0.103 R)
• M19: 7,423,346 km (0.078 R)
• M20: 7,544,819 km (0.098 R)
• M21: 7,912,979 km (0.105 R)
• M22: 8,666,803 km (0.106 R)
• M23: 10,242,069 km (0.097 R)
• M24: 10,309,537 km (0.054 R)
• M25: 10,445,073 km (0.056 R)
• M26: 11,832,294 km (0.095 R)
• M27: 12,188,187 km (0.108 R)
• M28: 12,259,695 km (0.085 R)
• M29: 12,331,502 km (0.091 R)
• M30: 13,424,015 km (0.068 R)
• M31: 13,795,018 km (0.045 R)
• M32: 13,869,667 km (0.037 R)
• M33: 14,775,482 km (0.045 R)
• M34: 16,091,196 km (0.115 R)
• M35: 16,327,261 km (0.098 R)
• M36: 16,962,304 km (0.111 R)
• M37: 17,848,821 km (0.116 R)
• M38: 18,585,142 km (0.068 R)
• M39: 18,915,604 km (0.098 R)
• M40: 20,172,076 km (0.042 R)
• M41: 21,196,672 km (0.107 R)
• M42: 22,941,432 km (0.027 R)
• M43: 25,095,192 km (0.077 R)
• M44: 26,011,479 km (0.103 R)
• M45: 26,473,737 km (0.104 R)
• M46: 26,659,388 km (0.112 R)
• M47: 27,782,569 km (0.102 R)
• M48: 28,444,689 km (0.097 R)
• M49: 28,730,121 km (0.095 R)
• M50: 29,112,194 km (0.079 R)
• M51: 29,399,722 km (0.085 R)
• M52: 29,495,913 km (0.103 R)
• M53: 32,525,868 km (0.09 R)
• M54: 34,229,040 km (0.049 R)
• M55: 34,330,019 km (0.119 R)
• M56: 35,550,887 km (0.086 R)
• M57: 36,579,073 km (0.079 R)
• M58: 36,889,339 km (0.108 R)
• M59: 37,096,831 km (0.042 R)
• M60: 37,408,593 km (0.101 R)
• M61: 38,139,528 km (0.084 R)
• M62: 38,349,265 km (0.051 R)
• M63: 39,191,800 km (0.063 R)
• M64: 42,080,535 km (0.059 R)
• M65: 46,708,195 km (0.09 R)
• M66: 46,820,394 km (0.086 R)
• M67: 47,269,786 km (0.088 R)
• M68: 50,225,840 km (0.118 R)
• M69: 50,916,383 km (0.091 R)
• M70: 51,147,362 km (0.12 R)
• M71: 51,378,641 km (0.059 R)
• M72: 52,074,420 km (0.098 R)
• M73: 53,124,149 km (0.104 R)
• M74: 55,719,073 km (0.044 R)
• M75: 56,434,002 km (0.079 R)
• M76: 57,391,877 km (0.076 R)
• M77: 58,354,988 km (0.028 R)
• M78: 60,297,516 km (0.11 R)
• M79: 61,399,454 km (0.054 R)
• M80: 62,261,138 km (0.091 R)
• M81: 63,623,226 km (0.117 R)
• M82: 64,995,039 km (0.051 R)
• M83: 65,245,615 km (0.089 R)
• M84: 69,168,819 km (0.071 R)
• M85: 72,388,016 km (0.109 R)
• M86: 73,037,720 km (0.057 R)
• M87: 73,428,469 km (0.041 R)
• M88: 77,639,350 km (0.066 R)
• M89: 82,740,488 km (0.119 R)
• M90: 83,147,693 km (0.047 R)
• M91: 85,742,917 km (0.049 R)
• M92: 86,155,059 km (0.107 R)
• M93: 86,981,288 km (0.102 R)
• M94: 88,919,628 km (0.111 R)
• M95: 91,713,368 km (0.062 R)
• M96: 92,134,785 km (0.11 R)
• M97: 94,393,863 km (0.118 R)

Kuiper Belt

Range: 30.9 - 56.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 12,712 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit