🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.8

Radius: 9.5

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.57 AU - 0.75 AU

Year: 358 Days

Day: 8.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,103,027 km

• M1: 118,182 km (0.118 R)
• M2: 455,675 km (0.12 R)
• M3: 861,385 km (0.097 R)
• M4: 1,166,564 km (0.04 R)
• M5: 1,499,120 km (0.052 R)
• M6: 1,803,103 km (0.106 R)
• M7: 2,416,155 km (0.119 R)
• M8: 2,849,091 km (0.06 R)
• M9: 3,264,076 km (0.119 R)
• M10: 3,607,553 km (0.118 R)
• M11: 3,910,040 km (0.044 R)
• M12: 5,310,874 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.9

Radius: 14.8

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.89 AU - 0.97 AU

Year: 598 Days

Day: 6.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,103,027 km

• M1: 184,005 km (0.115 R)
• M2: 696,079 km (0.032 R)
• M3: 1,455,438 km (0.071 R)
• M4: 2,150,918 km (0.106 R)
• M5: 2,648,182 km (0.116 R)
• M6: 3,135,871 km (0.089 R)
• M7: 3,852,145 km (0.06 R)
• M8: 4,530,721 km (0.054 R)
• M9: 4,992,530 km (0.119 R)
• M10: 5,992,741 km (0.066 R)
• M11: 7,387,292 km (0.086 R)
• M12: 8,101,772 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.4

Radius: 12.5

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.14 AU - 1.28 AU

Year: 888 Days

Day: 11.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,103,027 km

• M1: 155,432 km (0.105 R)
• M2: 580,440 km (0.063 R)
• M3: 1,067,530 km (0.05 R)
• M4: 1,605,036 km (0.06 R)
• M5: 2,107,236 km (0.061 R)
• M6: 2,581,461 km (0.073 R)
• M7: 4,202,803 km (0.083 R)
• M8: 6,299,866 km (0.101 R)
• M9: 7,096,624 km (0.079 R)
• M10: 7,496,948 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.9

Radius: 14.5

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.04 AU - 1.6 AU

Year: 1011 Days

Day: 13.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 147.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,103,027 km

• M1: 180,265 km (0.103 R)
• M2: 645,216 km (0.048 R)
• M3: 1,300,604 km (0.117 R)
• M4: 1,918,892 km (0.106 R)
• M5: 2,567,847 km (0.12 R)
• M6: 3,040,876 km (0.091 R)
• M7: 3,543,674 km (0.115 R)
• M8: 4,086,565 km (0.106 R)
• M9: 5,023,945 km (0.026 R)
• M10: 5,712,095 km (0.088 R)
• M11: 6,484,469 km (0.061 R)
• M12: 7,686,638 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.8

Radius: 10.5

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.52 AU - 1.58 AU

Year: 1287 Days

Day: 5.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,103,027 km

• M1: 130,599 km (0.084 R)
• M2: 461,061 km (0.103 R)
• M3: 807,230 km (0.117 R)
• M4: 1,184,815 km (0.041 R)
• M5: 1,594,115 km (0.103 R)
• M6: 2,264,463 km (0.112 R)
• M7: 2,614,821 km (0.07 R)
• M8: 3,372,684 km (0.085 R)
• M9: 4,224,045 km (0.109 R)
• M10: 4,592,505 km (0.081 R)
• M11: 5,562,049 km (0.115 R)
• M12: 5,926,918 km (0.116 R)
• M13: 6,620,155 km (0.075 R)
• M14: 7,831,299 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.2

Radius: 12.7

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.75 AU - 2.93 AU

Year: 3192 Days

Day: 7.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,103,027 km

• M1: 157,975 km (0.053 R)
• M2: 742,155 km (0.097 R)
• M3: 1,148,313 km (0.11 R)
• M4: 2,838,021 km (0.089 R)
• M5: 4,084,770 km (0.107 R)
• M6: 6,185,423 km (0.04 R)
• M7: 6,711,260 km (0.086 R)
• M8: 7,852,691 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.6

Radius: 14.4

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.42 AU - 5.36 AU

Year: 6134 Days

Day: 9.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,103,027 km

• M1: 179,069 km (0.082 R)
• M2: 717,322 km (0.11 R)
• M3: 1,410,558 km (0.11 R)
• M4: 2,026,154 km (0.097 R)
• M5: 2,850,139 km (0.09 R)
• M6: 3,456,608 km (0.033 R)
• M7: 4,463,402 km (0.104 R)
• M8: 10,959,390 km (0.096 R)
• M9: 11,650,682 km (0.117 R)
• M10: 13,900,933 km (0.102 R)
• M11: 15,302,665 km (0.111 R)
• M12: 16,167,191 km (0.061 R)
• M13: 16,637,826 km (0.102 R)
• M14: 18,957,042 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.3

Radius: 8.7

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.24 AU - 4.8 AU

Year: 6408 Days

Day: 14.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,103,027 km

• M1: 108,309 km (0.116 R)
• M2: 627,713 km (0.115 R)
• M3: 1,801,308 km (0.113 R)
• M4: 2,865,098 km (0.08 R)
• M5: 4,174,678 km (0.052 R)
• M6: 7,406,142 km (0.093 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.3

Radius: 12.5

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.8 AU - 5.74 AU

Year: 6947 Days

Day: 11.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,103,027 km

• M1: 155,582 km (0.118 R)
• M2: 1,164,171 km (0.026 R)
• M3: 1,713,494 km (0.113 R)
• M4: 2,739,586 km (0.082 R)
• M5: 3,206,930 km (0.071 R)
• M6: 5,268,239 km (0.093 R)
• M7: 6,963,482 km (0.102 R)
• M8: 7,841,322 km (0.074 R)
• M9: 9,171,397 km (0.027 R)
• M10: 9,853,563 km (0.076 R)
• M11: 18,262,010 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.7

Radius: 6.6

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.13 AU - 9.33 AU

Year: 14332 Days

Day: 19.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,103,027 km

• M1: 82,728 km (0.062 R)
• M2: 694,733 km (0.115 R)
• M3: 917,334 km (0.076 R)
• M4: 2,197,742 km (0.054 R)
• M5: 5,080,344 km (0.115 R)
• M6: 5,881,889 km (0.096 R)
• M7: 6,764,666 km (0.086 R)
• M8: 11,828,255 km (0.104 R)
• M9: 12,492,170 km (0.052 R)
• M10: 13,274,268 km (0.117 R)
• M11: 13,845,732 km (0.085 R)
• M12: 15,869,342 km (0.081 R)
• M13: 16,731,175 km (0.118 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 558 - 11,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit