🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.2

Radius: 8.9

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.8 AU - 0.9 AU

Year: 506 Days

Day: 14.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,423,853 km

• M1: 111,002 km (0.093 R)
• M2: 408,701 km (0.086 R)
• M3: 953,537 km (0.083 R)
• M4: 1,445,714 km (0.04 R)
• M5: 1,956,591 km (0.054 R)
• M6: 2,654,016 km (0.081 R)
• M7: 2,982,682 km (0.089 R)
• M8: 3,696,713 km (0.09 R)
• M9: 4,913,243 km (0.114 R)
• M10: 5,545,144 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.1

Radius: 9.8

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.08 AU - 1.76 AU

Year: 1093 Days

Day: 8 Hours

Environment

Temp: -181 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,423,853 km

• M1: 121,922 km (0.116 R)
• M2: 653,443 km (0.035 R)
• M3: 999,912 km (0.102 R)
• M4: 1,456,485 km (0.099 R)
• M5: 1,902,586 km (0.104 R)
• M6: 2,470,609 km (0.06 R)
• M7: 3,289,657 km (0.071 R)
• M8: 3,885,505 km (0.099 R)
• M9: 4,650,848 km (0.054 R)
• M10: 5,113,704 km (0.095 R)
• M11: 5,625,927 km (0.059 R)
• M12: 7,190,122 km (0.032 R)
• M13: 7,599,572 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.2

Radius: 9.5

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.45 AU - 1.95 AU

Year: 1431 Days

Day: 13.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,423,853 km

• M1: 118,182 km (0.072 R)
• M2: 464,501 km (0.116 R)
• M3: 820,993 km (0.053 R)
• M4: 1,155,494 km (0.063 R)
• M5: 1,550,582 km (0.108 R)
• M6: 2,792,394 km (0.108 R)
• M7: 3,349,347 km (0.103 R)
• M8: 3,888,497 km (0.099 R)
• M9: 4,996,868 km (0.059 R)
• M10: 5,567,135 km (0.063 R)
• M11: 6,017,724 km (0.045 R)
• M12: 6,366,137 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.8

Radius: 12.8

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.76 AU - 1.86 AU

Year: 1572 Days

Day: 11.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,423,853 km

• M1: 159,172 km (0.062 R)
• M2: 676,033 km (0.104 R)
• M3: 1,114,953 km (0.106 R)
• M4: 2,066,246 km (0.1 R)
• M5: 2,506,512 km (0.085 R)
• M6: 2,995,847 km (0.088 R)
• M7: 3,960,304 km (0.06 R)
• M8: 4,515,313 km (0.045 R)
• M9: 4,920,424 km (0.034 R)
• M10: 5,328,826 km (0.105 R)
• M11: 6,791,743 km (0.089 R)
• M12: 8,711,234 km (0.03 R)
• M13: 9,128,761 km (0.058 R)
• M14: 10,036,521 km (0.114 R)
• M15: 11,492,258 km (0.11 R)
• M16: 12,215,414 km (0.109 R)
• M17: 12,930,342 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.5

Radius: 8.3

Gravity: 10.62 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.51 AU - 3.29 AU

Year: 3189 Days

Day: 10.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,423,853 km

• M1: 103,223 km (0.087 R)
• M2: 398,678 km (0.1 R)
• M3: 774,917 km (0.108 R)
• M4: 1,593,217 km (0.101 R)
• M5: 2,205,372 km (0.113 R)
• M6: 2,573,831 km (0.039 R)
• M7: 3,087,550 km (0.116 R)
• M8: 3,511,511 km (0.1 R)
• M9: 3,911,236 km (0.072 R)
• M10: 4,430,939 km (0.116 R)
• M11: 4,754,819 km (0.092 R)
• M12: 5,169,205 km (0.098 R)
• M13: 5,607,676 km (0.091 R)
• M14: 6,383,790 km (0.089 R)
• M15: 7,646,695 km (0.077 R)
• M16: 8,635,387 km (0.07 R)
• M17: 9,440,374 km (0.109 R)
• M18: 10,175,198 km (0.095 R)
• M19: 10,699,539 km (0.084 R)
• M20: 12,471,825 km (0.117 R)
• M21: 13,499,413 km (0.086 R)
• M22: 16,368,550 km (0.096 R)
• M23: 16,920,566 km (0.073 R)
• M24: 18,890,322 km (0.099 R)
• M25: 21,072,805 km (0.058 R)
• M26: 22,527,644 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.7

Radius: 13.5

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.51 AU - 3.5 AU

Year: 3355 Days

Day: 13.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,423,853 km

• M1: 229,932 km (0.093 R)
• M2: 738,714 km (0.118 R)
• M3: 1,206,357 km (0.111 R)
• M4: 1,912,758 km (0.042 R)
• M5: 4,282,987 km (0.082 R)
• M6: 5,122,829 km (0.092 R)
• M7: 7,071,641 km (0.052 R)
• M8: 7,581,770 km (0.051 R)
• M9: 10,245,360 km (0.085 R)
• M10: 12,767,879 km (0.119 R)
• M11: 14,314,721 km (0.112 R)
• M12: 14,986,715 km (0.086 R)
• M13: 16,601,923 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.6

Radius: 6.3

Gravity: 24.88 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.49 AU - 6.53 AU

Year: 10725 Days

Day: 20.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,423,853 km

• M1: 78,389 km (0.096 R)
• M2: 342,280 km (0.114 R)
• M3: 641,476 km (0.038 R)
• M4: 1,193,492 km (0.117 R)
• M5: 1,592,918 km (0.069 R)
• M6: 2,305,154 km (0.117 R)
• M7: 4,551,665 km (0.077 R)
• M8: 5,004,049 km (0.071 R)
• M9: 6,188,864 km (0.12 R)
• M10: 6,502,122 km (0.092 R)
• M11: 6,991,905 km (0.071 R)
• M12: 7,549,905 km (0.111 R)
• M13: 9,869,121 km (0.118 R)
• M14: 10,351,574 km (0.107 R)
• M15: 10,737,387 km (0.072 R)
• M16: 11,247,516 km (0.109 R)
• M17: 13,646,767 km (0.081 R)
• M18: 15,999,642 km (0.065 R)
• M19: 16,293,153 km (0.108 R)
• M20: 17,425,758 km (0.103 R)
• M21: 19,180,541 km (0.086 R)
• M22: 20,442,399 km (0.115 R)
• M23: 21,579,942 km (0.118 R)
• M24: 21,938,229 km (0.061 R)
• M25: 23,411,468 km (0.117 R)
• M26: 25,543,238 km (0.094 R)
• M27: 38,295,110 km (0.07 R)
• M28: 43,055,614 km (0.074 R)
• M29: 46,389,851 km (0.102 R)
• M30: 48,808,250 km (0.047 R)
• M31: 56,735,441 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.2

Radius: 6.5

Gravity: 16.67 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.98 AU - 7 AU

Year: 11932 Days

Day: 21.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,423,853 km

• M1: 81,082 km (0.072 R)
• M2: 333,902 km (0.053 R)
• M3: 584,180 km (0.065 R)
• M4: 1,025,045 km (0.087 R)
• M5: 1,273,826 km (0.114 R)
• M6: 1,929,214 km (0.04 R)
• M7: 2,179,192 km (0.111 R)
• M8: 2,616,317 km (0.084 R)
• M9: 3,532,754 km (0.108 R)
• M10: 6,996,692 km (0.066 R)
• M11: 7,721,943 km (0.103 R)
• M12: 8,171,335 km (0.072 R)
• M13: 8,590,508 km (0.052 R)
• M14: 8,926,355 km (0.114 R)
• M15: 10,251,044 km (0.079 R)
• M16: 10,904,638 km (0.071 R)
• M17: 12,476,462 km (0.116 R)
• M18: 12,783,288 km (0.1 R)
• M19: 13,929,656 km (0.091 R)
• M20: 14,193,397 km (0.114 R)
• M21: 14,460,429 km (0.11 R)
• M22: 16,279,240 km (0.089 R)
• M23: 18,323,944 km (0.071 R)
• M24: 20,279,787 km (0.108 R)
• M25: 25,474,722 km (0.101 R)
• M26: 31,041,259 km (0.028 R)
• M27: 32,985,283 km (0.073 R)
• M28: 34,405,416 km (0.092 R)
• M29: 37,748,928 km (0.052 R)
• M30: 53,129,983 km (0.109 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 12,166 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit