🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.5

Radius: 10.7

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.74 AU - 0.92 AU

Year: 488 Days

Day: 7.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,310,510 km

• M1: 133,142 km (0.09 R)
• M2: 496,366 km (0.115 R)
• M3: 840,740 km (0.107 R)
• M4: 1,226,254 km (0.105 R)
• M5: 1,559,259 km (0.053 R)
• M6: 2,091,977 km (0.116 R)
• M7: 2,458,940 km (0.079 R)
• M8: 2,869,138 km (0.066 R)
• M9: 3,313,892 km (0.11 R)
• M10: 3,662,904 km (0.118 R)
• M11: 4,024,033 km (0.109 R)
• M12: 4,679,272 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.4

Radius: 14.7

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.82 AU - 0.98 AU

Year: 551 Days

Day: 11.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,310,510 km

• M1: 182,958 km (0.093 R)
• M2: 671,694 km (0.079 R)
• M3: 1,170,603 km (0.09 R)
• M4: 1,740,422 km (0.087 R)
• M5: 2,242,023 km (0.108 R)
• M6: 2,719,091 km (0.034 R)
• M7: 3,522,431 km (0.078 R)
• M8: 4,093,447 km (0.086 R)
• M9: 4,770,526 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.7

Radius: 13.1

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.17 AU - 1.61 AU

Year: 1058 Days

Day: 9.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,310,510 km

• M1: 162,912 km (0.114 R)
• M2: 575,503 km (0.097 R)
• M3: 1,176,438 km (0.095 R)
• M4: 1,655,899 km (0.099 R)
• M5: 2,657,157 km (0.027 R)
• M6: 3,551,902 km (0.093 R)
• M7: 4,982,357 km (0.079 R)
• M8: 5,427,710 km (0.053 R)
• M9: 6,063,052 km (0.111 R)
• M10: 6,630,028 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.8

Radius: 10

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.73 AU - 2.19 AU

Year: 1772 Days

Day: 13.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,310,510 km

• M1: 127,009 km (0.1 R)
• M2: 746,194 km (0.028 R)
• M3: 1,066,334 km (0.062 R)
• M4: 1,937,292 km (0.115 R)
• M5: 3,272,603 km (0.086 R)
• M6: 3,982,595 km (0.052 R)
• M7: 5,332,715 km (0.115 R)
• M8: 5,662,728 km (0.088 R)
• M9: 6,006,355 km (0.107 R)
• M10: 6,735,644 km (0.111 R)
• M11: 8,081,127 km (0.099 R)
• M12: 10,154,404 km (0.108 R)
• M13: 10,559,964 km (0.113 R)
• M14: 11,046,905 km (0.111 R)
• M15: 11,585,158 km (0.085 R)
• M16: 12,178,463 km (0.097 R)
• M17: 12,753,069 km (0.105 R)
• M18: 13,668,907 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.2

Radius: 10.4

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.64 AU - 2.5 AU

Year: 1923 Days

Day: 6.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,310,510 km

• M1: 129,402 km (0.114 R)
• M2: 476,320 km (0.108 R)
• M3: 1,018,014 km (0.112 R)
• M4: 1,409,212 km (0.071 R)
• M5: 1,760,019 km (0.066 R)
• M6: 2,145,383 km (0.077 R)
• M7: 2,491,403 km (0.102 R)
• M8: 3,152,326 km (0.116 R)
• M9: 3,852,744 km (0.073 R)
• M10: 4,211,030 km (0.076 R)
• M11: 4,570,963 km (0.101 R)
• M12: 5,445,362 km (0.1 R)
• M13: 6,171,511 km (0.033 R)
• M14: 6,933,712 km (0.102 R)
• M15: 7,266,866 km (0.111 R)
• M16: 8,998,761 km (0.071 R)
• M17: 11,065,007 km (0.112 R)
• M18: 11,637,069 km (0.118 R)
• M19: 12,108,900 km (0.095 R)
• M20: 13,344,429 km (0.114 R)
• M21: 15,587,500 km (0.076 R)
• M22: 15,920,355 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.9

Radius: 14.1

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.17 AU - 2.79 AU

Year: 2522 Days

Day: 8.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,310,510 km

• M1: 175,329 km (0.103 R)
• M2: 642,373 km (0.075 R)
• M3: 1,342,940 km (0.11 R)
• M4: 1,976,637 km (0.118 R)
• M5: 2,488,561 km (0.059 R)
• M6: 3,425,342 km (0.108 R)
• M7: 6,368,681 km (0.05 R)
• M8: 8,576,895 km (0.08 R)
• M9: 10,521,817 km (0.09 R)
• M10: 11,521,130 km (0.11 R)
• M11: 12,063,871 km (0.075 R)
• M12: 13,200,516 km (0.048 R)
• M13: 13,751,934 km (0.101 R)
• M14: 15,359,961 km (0.038 R)
• M15: 16,018,042 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.8

Radius: 14.4

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.77 AU - 5.81 AU

Year: 6769 Days

Day: 11.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,310,510 km

• M1: 179,368 km (0.116 R)
• M2: 687,701 km (0.111 R)
• M3: 1,322,146 km (0.097 R)
• M4: 2,972,958 km (0.074 R)
• M5: 4,691,688 km (0.094 R)
• M6: 5,431,450 km (0.077 R)
• M7: 6,965,726 km (0.051 R)
• M8: 13,186,454 km (0.042 R)
• M9: 13,685,213 km (0.102 R)
• M10: 23,164,033 km (0.098 R)
• M11: 26,690,055 km (0.117 R)
• M12: 32,127,340 km (0.077 R)
• M13: 34,998,871 km (0.038 R)

Asteroid Belt

Center: 5.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.5

Radius: 5.1

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.62 AU - 6.84 AU

Year: 10040 Days

Day: 16.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,310,510 km

• M1: 75,996 km (0.027 R)
• M2: 650,900 km (0.096 R)
• M3: 855,700 km (0.034 R)
• M4: 1,162,525 km (0.118 R)
• M5: 1,626,727 km (0.099 R)
• M6: 2,415,856 km (0.12 R)
• M7: 2,894,569 km (0.076 R)
• M8: 3,412,926 km (0.117 R)
• M9: 4,038,095 km (0.066 R)
• M10: 4,977,420 km (0.091 R)
• M11: 5,198,227 km (0.111 R)
• M12: 9,387,416 km (0.093 R)
• M13: 10,201,976 km (0.099 R)
• M14: 10,786,006 km (0.065 R)
• M15: 11,344,455 km (0.091 R)
• M16: 13,611,312 km (0.096 R)
• M17: 13,772,429 km (0.091 R)
• M18: 14,540,913 km (0.115 R)
• M19: 16,223,291 km (0.05 R)
• M20: 16,525,778 km (0.043 R)
• M21: 16,893,938 km (0.085 R)
• M22: 19,285,709 km (0.087 R)
• M23: 19,489,012 km (0.045 R)
• M24: 20,456,611 km (0.063 R)
• M25: 20,881,020 km (0.061 R)
• M26: 22,115,203 km (0.059 R)
• M27: 24,017,340 km (0.1 R)
• M28: 24,331,495 km (0.117 R)
• M29: 25,943,562 km (0.108 R)
• M30: 26,274,323 km (0.087 R)
• M31: 28,317,979 km (0.11 R)
• M32: 29,022,137 km (0.11 R)
• M33: 30,925,919 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702.7

Radius: 8

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 8.79 AU - 9.95 AU

Year: 18519 Days

Day: 16 Hours

Environment

Temp: -226 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,310,510 km

• M1: 159,920 km (0.117 R)
• M2: 524,041 km (0.1 R)
• M3: 1,597,107 km (0.102 R)
• M4: 1,949,559 km (0.103 R)
• M5: 3,220,992 km (0.119 R)
• M6: 4,157,774 km (0.095 R)
• M7: 5,190,897 km (0.067 R)
• M8: 6,259,025 km (0.088 R)
• M9: 6,514,987 km (0.086 R)
• M10: 7,419,456 km (0.107 R)
• M11: 8,508,379 km (0.117 R)
• M12: 12,478,258 km (0.076 R)
• M13: 23,295,380 km (0.083 R)
• M14: 26,599,399 km (0.062 R)
• M15: 31,681,388 km (0.107 R)
• M16: 44,025,307 km (0.101 R)
• M17: 50,051,857 km (0.062 R)
• M18: 50,392,342 km (0.081 R)
• M19: 51,596,605 km (0.112 R)
• M20: 66,956,716 km (0.109 R)
• M21: 71,169,242 km (0.071 R)
• M22: 72,032,422 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.1

Radius: 5.1

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 9.35 AU - 13.11 AU

Year: 24299 Days

Day: 18.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 99.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,310,510 km

• M1: 63,429 km (0.099 R)
• M2: 380,577 km (0.096 R)
• M3: 1,706,912 km (0.092 R)
• M4: 4,260,547 km (0.093 R)
• M5: 5,755,329 km (0.073 R)
• M6: 7,052,193 km (0.049 R)
• M7: 9,218,819 km (0.068 R)
• M8: 12,705,347 km (0.099 R)
• M9: 13,729,793 km (0.087 R)
• M10: 27,376,261 km (0.118 R)
• M11: 32,692,071 km (0.091 R)
• M12: 33,045,422 km (0.079 R)
• M13: 38,394,294 km (0.078 R)
• M14: 45,745,383 km (0.067 R)
• M15: 53,327,452 km (0.081 R)
• M16: 53,817,236 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 16,026 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit