🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.61 AU - 0.89 AU

Year: 249 Days

Day: 21.3 Hours

Environment

Temp: 139 °C

Axial Tilt: 36.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.82 AU - 1.3 AU

Year: 418 Days

Day: 17.8 Hours

Environment

Temp: 11 °C

Axial Tilt: 45.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.98 AU - 1.34 AU

Year: 478 Days

Day: 46.9 Hours

Environment

Temp: -5 °C

Axial Tilt: 37.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.69 AU - 2.65 AU

Year: 1224 Days

Day: 18 Hours

Environment

Temp: -90 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 34,055,175 km

• M1: 488,437 km (0.097 R)
• M2: 1,983,369 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.1

Radius: 14.1

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.37 AU - 7.31 AU

Year: 6849 Days

Day: 6.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 34,055,175 km

• M1: 196,572 km (0.041 R)
• M2: 345,272 km (0.068 R)
• M3: 454,628 km (0.103 R)
• M4: 568,622 km (0.063 R)
• M5: 762,351 km (0.092 R)
• M6: 995,723 km (0.111 R)
• M7: 1,105,678 km (0.112 R)
• M8: 1,253,780 km (0.077 R)
• M9: 1,373,907 km (0.105 R)
• M10: 1,682,527 km (0.106 R)
• M11: 1,835,715 km (0.082 R)
• M12: 2,115,463 km (0.117 R)
• M13: 2,409,274 km (0.062 R)
• M14: 2,694,258 km (0.111 R)
• M15: 3,036,986 km (0.117 R)
• M16: 3,639,567 km (0.055 R)
• M17: 3,942,203 km (0.048 R)
• M18: 4,096,588 km (0.114 R)
• M19: 5,318,653 km (0.104 R)
• M20: 5,575,961 km (0.089 R)
• M21: 5,691,750 km (0.1 R)
• M22: 6,222,523 km (0.098 R)
• M23: 6,493,894 km (0.113 R)
• M24: 7,268,362 km (0.091 R)
• M25: 7,682,748 km (0.088 R)
• M26: 7,779,388 km (0.098 R)
• M27: 7,941,553 km (0.099 R)
• M28: 8,137,675 km (0.12 R)
• M29: 8,335,294 km (0.079 R)
• M30: 8,434,777 km (0.119 R)
• M31: 8,904,065 km (0.068 R)
• M32: 9,005,792 km (0.098 R)
• M33: 9,141,926 km (0.085 R)
• M34: 9,416,438 km (0.111 R)
• M35: 9,763,355 km (0.109 R)
• M36: 9,938,535 km (0.108 R)
• M37: 10,114,611 km (0.11 R)
• M38: 10,256,280 km (0.106 R)
• M39: 12,763,840 km (0.063 R)
• M40: 13,109,561 km (0.119 R)
• M41: 13,653,199 km (0.059 R)
• M42: 13,927,861 km (0.077 R)
• M43: 14,722,674 km (0.059 R)
• M44: 15,369,236 km (0.118 R)
• M45: 15,573,138 km (0.109 R)
• M46: 15,860,217 km (0.099 R)
• M47: 16,356,283 km (0.072 R)
• M48: 16,606,411 km (0.111 R)
• M49: 16,899,623 km (0.119 R)
• M50: 17,918,235 km (0.109 R)
• M51: 18,132,908 km (0.117 R)
• M52: 18,391,712 km (0.07 R)
• M53: 18,869,378 km (0.081 R)
• M54: 19,659,853 km (0.075 R)
• M55: 19,836,977 km (0.086 R)
• M56: 20,148,140 km (0.083 R)
• M57: 20,282,031 km (0.053 R)
• M58: 20,595,588 km (0.028 R)
• M59: 20,865,761 km (0.079 R)
• M60: 21,001,147 km (0.091 R)
• M61: 24,244,579 km (0.091 R)
• M62: 25,536,805 km (0.103 R)
• M63: 25,681,766 km (0.04 R)
• M64: 26,313,218 km (0.068 R)
• M65: 26,900,540 km (0.047 R)
• M66: 27,195,846 km (0.091 R)
• M67: 27,839,416 km (0.095 R)
• M68: 27,938,898 km (0.09 R)
• M69: 28,287,910 km (0.115 R)
• M70: 29,444,750 km (0.115 R)
• M71: 30,003,648 km (0.084 R)
• M72: 30,514,674 km (0.08 R)
• M73: 30,719,773 km (0.081 R)
• M74: 31,028,543 km (0.105 R)
• M75: 31,234,988 km (0.062 R)
• M76: 33,007,573 km (0.087 R)
• M77: 33,323,674 km (0.119 R)
• M78: 33,640,971 km (0.081 R)
• M79: 35,026,995 km (0.083 R)
• M80: 35,511,243 km (0.081 R)
• M81: 35,781,118 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.4

Radius: 13.8

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.8 AU - 11.18 AU

Year: 10321 Days

Day: 9.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 34,055,175 km

• M1: 184,753 km (0.115 R)
• M2: 686,505 km (0.06 R)
• M3: 826,528 km (0.045 R)
• M4: 1,442,273 km (0.114 R)
• M5: 1,534,126 km (0.096 R)
• M6: 2,049,790 km (0.116 R)
• M7: 2,341,207 km (0.088 R)
• M8: 3,023,523 km (0.095 R)
• M9: 3,295,043 km (0.095 R)
• M10: 3,797,692 km (0.113 R)
• M11: 4,735,072 km (0.097 R)
• M12: 5,122,680 km (0.111 R)
• M13: 5,667,815 km (0.118 R)
• M14: 5,891,015 km (0.045 R)
• M15: 6,193,352 km (0.07 R)
• M16: 6,462,179 km (0.057 R)
• M17: 7,011,203 km (0.091 R)
• M18: 7,291,400 km (0.046 R)
• M19: 7,657,167 km (0.074 R)
• M20: 8,449,138 km (0.037 R)
• M21: 8,876,539 km (0.081 R)
• M22: 9,398,785 km (0.05 R)
• M23: 9,841,595 km (0.091 R)
• M24: 10,427,570 km (0.063 R)
• M25: 10,701,932 km (0.036 R)
• M26: 10,839,862 km (0.056 R)
• M27: 11,304,363 km (0.114 R)
• M28: 11,680,751 km (0.12 R)
• M29: 12,061,179 km (0.073 R)
• M30: 13,177,628 km (0.045 R)
• M31: 13,424,763 km (0.117 R)
• M32: 14,377,702 km (0.09 R)
• M33: 15,042,365 km (0.102 R)
• M34: 16,242,738 km (0.039 R)
• M35: 16,988,633 km (0.106 R)
• M36: 18,348,029 km (0.093 R)
• M37: 18,568,836 km (0.119 R)
• M38: 20,082,018 km (0.103 R)
• M39: 20,252,560 km (0.106 R)
• M40: 20,423,700 km (0.094 R)
• M41: 21,112,747 km (0.095 R)
• M42: 21,576,351 km (0.051 R)
• M43: 22,219,323 km (0.082 R)
• M44: 22,395,848 km (0.116 R)
• M45: 22,513,732 km (0.107 R)
• M46: 22,631,764 km (0.089 R)
• M47: 23,524,116 km (0.114 R)
• M48: 23,704,082 km (0.084 R)
• M49: 24,004,774 km (0.093 R)
• M50: 24,125,499 km (0.043 R)
• M51: 24,549,459 km (0.097 R)
• M52: 25,466,195 km (0.083 R)
• M53: 25,774,367 km (0.11 R)
• M54: 26,643,530 km (0.119 R)
• M55: 27,019,021 km (0.062 R)
• M56: 29,051,159 km (0.083 R)
• M57: 30,476,677 km (0.092 R)
• M58: 31,197,888 km (0.108 R)
• M59: 32,190,470 km (0.107 R)
• M60: 32,390,333 km (0.073 R)
• M61: 33,193,524 km (0.078 R)
• M62: 36,125,193 km (0.1 R)
• M63: 37,727,087 km (0.096 R)
• M64: 38,501,555 km (0.082 R)
• M65: 38,784,295 km (0.087 R)
• M66: 39,851,227 km (0.108 R)
• M67: 40,065,900 km (0.099 R)
• M68: 40,496,144 km (0.101 R)
• M69: 40,639,907 km (0.073 R)
• M70: 41,723,445 km (0.1 R)
• M71: 42,086,818 km (0.098 R)
• M72: 42,232,376 km (0.088 R)
• M73: 42,451,238 km (0.048 R)
• M74: 43,183,071 km (0.09 R)
• M75: 43,550,633 km (0.104 R)
• M76: 43,697,837 km (0.064 R)
• M77: 44,066,895 km (0.089 R)
• M78: 44,362,800 km (0.053 R)
• M79: 46,678,425 km (0.095 R)
• M80: 47,889,121 km (0.06 R)
• M81: 48,421,988 km (0.055 R)
• M82: 48,650,873 km (0.095 R)
• M83: 49,186,583 km (0.044 R)
• M84: 49,955,217 km (0.067 R)
• M85: 50,495,714 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.7

Radius: 12.3

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.69 AU - 10.35 AU

Year: 10372 Days

Day: 5.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 34,055,175 km

• M1: 175,030 km (0.05 R)
• M2: 323,131 km (0.059 R)
• M3: 700,567 km (0.069 R)
• M4: 851,810 km (0.05 R)
• M5: 1,335,460 km (0.109 R)
• M6: 1,436,738 km (0.085 R)
• M7: 2,174,255 km (0.082 R)
• M8: 2,998,689 km (0.058 R)
• M9: 3,150,531 km (0.076 R)
• M10: 3,270,658 km (0.118 R)
• M11: 3,550,705 km (0.08 R)
• M12: 3,639,866 km (0.09 R)
• M13: 4,476,267 km (0.088 R)
• M14: 4,689,744 km (0.117 R)
• M15: 4,926,407 km (0.044 R)
• M16: 6,146,677 km (0.055 R)
• M17: 6,319,164 km (0.05 R)
• M18: 6,980,237 km (0.074 R)
• M19: 8,107,157 km (0.096 R)
• M20: 8,225,340 km (0.066 R)
• M21: 8,511,371 km (0.111 R)
• M22: 9,068,773 km (0.091 R)
• M23: 9,613,010 km (0.116 R)
• M24: 9,813,620 km (0.091 R)
• M25: 11,335,330 km (0.077 R)
• M26: 11,840,971 km (0.074 R)
• M27: 12,929,445 km (0.101 R)
• M28: 13,262,300 km (0.108 R)
• M29: 13,401,875 km (0.06 R)
• M30: 13,879,840 km (0.111 R)
• M31: 14,910,420 km (0.088 R)
• M32: 15,611,286 km (0.027 R)
• M33: 15,965,683 km (0.037 R)
• M34: 16,084,464 km (0.104 R)
• M35: 16,352,693 km (0.03 R)
• M36: 16,712,775 km (0.065 R)
• M37: 16,924,007 km (0.07 R)
• M38: 17,105,619 km (0.087 R)
• M39: 17,440,569 km (0.111 R)
• M40: 17,624,125 km (0.057 R)
• M41: 17,993,333 km (0.086 R)
• M42: 18,178,834 km (0.092 R)
• M43: 18,645,280 km (0.107 R)
• M44: 18,801,760 km (0.051 R)
• M45: 19,242,026 km (0.101 R)
• M46: 19,781,177 km (0.12 R)
• M47: 21,954,385 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.8

Radius: 10.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 7.41 AU - 11.03 AU

Year: 10719 Days

Day: 12.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 34,055,175 km

• M1: 136,134 km (0.042 R)
• M2: 241,301 km (0.091 R)
• M3: 532,868 km (0.064 R)
• M4: 745,446 km (0.113 R)
• M5: 912,697 km (0.058 R)
• M6: 1,016,218 km (0.083 R)
• M7: 1,470,846 km (0.054 R)
• M8: 2,140,895 km (0.117 R)
• M9: 2,220,780 km (0.085 R)
• M10: 2,550,494 km (0.065 R)
• M11: 3,096,826 km (0.092 R)
• M12: 3,187,631 km (0.119 R)
• M13: 3,279,335 km (0.073 R)
• M14: 3,679,060 km (0.059 R)
• M15: 4,320,387 km (0.079 R)
• M16: 4,422,113 km (0.076 R)
• M17: 5,704,915 km (0.113 R)
• M18: 5,816,814 km (0.104 R)
• M19: 6,128,277 km (0.03 R)
• M20: 6,242,869 km (0.118 R)
• M21: 6,474,147 km (0.103 R)
• M22: 7,215,404 km (0.054 R)
• M23: 7,796,742 km (0.063 R)
• M24: 8,939,221 km (0.054 R)
• M25: 9,662,975 km (0.061 R)
• M26: 9,998,224 km (0.058 R)
• M27: 10,853,026 km (0.057 R)
• M28: 11,236,446 km (0.113 R)
• M29: 11,909,486 km (0.058 R)
• M30: 13,704,811 km (0.091 R)
• M31: 14,309,186 km (0.091 R)
• M32: 15,309,696 km (0.09 R)
• M33: 15,622,206 km (0.095 R)
• M34: 17,175,332 km (0.087 R)
• M35: 19,237,538 km (0.115 R)
• M36: 19,448,022 km (0.086 R)
• M37: 19,659,255 km (0.072 R)
• M38: 20,126,748 km (0.119 R)
• M39: 20,684,000 km (0.115 R)
• M40: 21,420,321 km (0.119 R)
• M41: 21,638,584 km (0.109 R)
• M42: 21,769,781 km (0.087 R)
• M43: 22,829,533 km (0.089 R)
• M44: 23,186,623 km (0.111 R)
• M45: 23,906,039 km (0.026 R)
• M46: 27,802,315 km (0.108 R)
• M47: 28,614,482 km (0.067 R)
• M48: 29,289,169 km (0.049 R)
• M49: 29,579,987 km (0.107 R)
• M50: 33,395,780 km (0.111 R)
• M51: 33,496,908 km (0.097 R)
• M52: 33,750,327 km (0.116 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 12,227 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit