🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.7

Radius: 11.7

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.69 AU - 0.69 AU

Year: 389 Days

Day: 9.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,864,951 km

• M1: 145,559 km (0.076 R)
• M2: 543,788 km (0.103 R)
• M3: 1,244,056 km (0.063 R)
• M4: 1,741,319 km (0.083 R)
• M5: 2,265,211 km (0.04 R)
• M6: 2,822,164 km (0.079 R)
• M7: 3,331,993 km (0.073 R)
• M8: 3,815,793 km (0.029 R)
• M9: 4,736,119 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.5

Radius: 10.5

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.85 AU - 0.97 AU

Year: 589 Days

Day: 10.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,864,951 km

• M1: 130,599 km (0.116 R)
• M2: 461,809 km (0.11 R)
• M3: 794,215 km (0.087 R)
• M4: 1,132,306 km (0.102 R)
• M5: 1,520,064 km (0.1 R)
• M6: 3,839,579 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.5

Radius: 10

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.02 AU - 1.26 AU

Year: 826 Days

Day: 7.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,864,951 km

• M1: 124,316 km (0.092 R)
• M2: 780,452 km (0.098 R)
• M3: 1,093,860 km (0.07 R)
• M4: 1,590,225 km (0.118 R)
• M5: 1,953,000 km (0.066 R)
• M6: 2,404,038 km (0.037 R)
• M7: 3,078,126 km (0.093 R)
• M8: 3,560,280 km (0.074 R)
• M9: 4,092,250 km (0.103 R)
• M10: 4,694,082 km (0.034 R)
• M11: 6,116,010 km (0.101 R)
• M12: 6,501,523 km (0.047 R)
• M13: 7,369,042 km (0.118 R)
• M14: 8,337,688 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.5

Radius: 11.9

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.06 AU - 1.24 AU

Year: 836 Days

Day: 6.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,864,951 km

• M1: 147,952 km (0.117 R)
• M2: 548,875 km (0.067 R)
• M3: 1,460,374 km (0.084 R)
• M4: 1,845,439 km (0.083 R)
• M5: 2,972,210 km (0.109 R)
• M6: 3,587,507 km (0.043 R)
• M7: 3,993,515 km (0.102 R)
• M8: 4,478,960 km (0.071 R)
• M9: 5,253,728 km (0.074 R)
• M10: 7,114,276 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.6

Radius: 10.2

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.57 AU - 1.61 AU

Year: 1360 Days

Day: 10.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,864,951 km

• M1: 127,308 km (0.112 R)
• M2: 481,256 km (0.035 R)
• M3: 954,285 km (0.09 R)
• M4: 1,652,009 km (0.062 R)
• M5: 2,058,616 km (0.069 R)
• M6: 2,481,380 km (0.051 R)
• M7: 2,849,690 km (0.078 R)
• M8: 3,330,946 km (0.091 R)
• M9: 4,145,207 km (0.113 R)
• M10: 4,532,516 km (0.113 R)
• M11: 5,663,476 km (0.069 R)
• M12: 6,118,403 km (0.109 R)
• M13: 6,475,344 km (0.066 R)
• M14: 8,474,420 km (0.066 R)
• M15: 9,347,623 km (0.099 R)
• M16: 9,790,133 km (0.107 R)
• M17: 10,114,761 km (0.106 R)
• M18: 10,513,888 km (0.085 R)
• M19: 11,557,632 km (0.102 R)
• M20: 12,141,812 km (0.055 R)
• M21: 12,479,006 km (0.099 R)
• M22: 13,250,781 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.2

Radius: 11

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.53 AU - 2.37 AU

Year: 1847 Days

Day: 6.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,864,951 km

• M1: 136,732 km (0.027 R)
• M2: 613,650 km (0.114 R)
• M3: 1,034,918 km (0.071 R)
• M4: 1,583,493 km (0.066 R)
• M5: 2,499,481 km (0.093 R)
• M6: 3,007,216 km (0.092 R)
• M7: 3,988,279 km (0.075 R)
• M8: 4,424,207 km (0.097 R)
• M9: 4,870,907 km (0.09 R)
• M10: 5,528,539 km (0.104 R)
• M11: 6,319,313 km (0.118 R)
• M12: 7,517,293 km (0.118 R)
• M13: 9,572,917 km (0.066 R)
• M14: 10,748,158 km (0.081 R)
• M15: 11,940,004 km (0.049 R)
• M16: 12,448,637 km (0.099 R)
• M17: 13,509,137 km (0.039 R)
• M18: 14,018,517 km (0.098 R)
• M19: 14,365,285 km (0.11 R)
• M20: 15,030,696 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.7

Radius: 11.5

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.9 AU - 3 AU

Year: 3437 Days

Day: 8.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,864,951 km

• M1: 143,165 km (0.111 R)
• M2: 704,008 km (0.114 R)
• M3: 1,330,224 km (0.065 R)
• M4: 1,715,888 km (0.113 R)
• M5: 2,720,587 km (0.061 R)
• M6: 3,632,535 km (0.107 R)
• M7: 5,655,847 km (0.107 R)
• M8: 8,027,123 km (0.039 R)
• M9: 8,958,070 km (0.043 R)
• M10: 11,383,201 km (0.085 R)
• M11: 12,980,906 km (0.118 R)
• M12: 14,445,470 km (0.109 R)
• M13: 16,215,512 km (0.064 R)
• M14: 17,386,115 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.8

Radius: 11

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.04 AU - 5.82 AU

Year: 8582 Days

Day: 10.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,864,951 km

• M1: 137,181 km (0.081 R)
• M2: 730,187 km (0.04 R)
• M3: 1,275,322 km (0.108 R)
• M4: 1,706,613 km (0.062 R)
• M5: 2,165,429 km (0.025 R)
• M6: 2,509,803 km (0.07 R)
• M7: 2,891,278 km (0.09 R)
• M8: 3,697,012 km (0.039 R)
• M9: 4,646,061 km (0.049 R)
• M10: 6,131,568 km (0.074 R)
• M11: 6,983,229 km (0.081 R)
• M12: 8,516,457 km (0.099 R)
• M13: 8,921,119 km (0.11 R)
• M14: 10,063,598 km (0.091 R)
• M15: 11,516,642 km (0.089 R)
• M16: 12,986,890 km (0.087 R)
• M17: 13,828,678 km (0.066 R)
• M18: 14,706,368 km (0.051 R)
• M19: 15,421,745 km (0.119 R)
• M20: 18,742,220 km (0.078 R)
• M21: 19,197,745 km (0.06 R)
• M22: 19,973,560 km (0.119 R)
• M23: 23,991,310 km (0.063 R)
• M24: 25,907,359 km (0.04 R)
• M25: 29,324,025 km (0.1 R)
• M26: 37,395,279 km (0.103 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 15,071 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit