🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939

Radius: 12.3

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.44 AU - 0.62 AU

Year: 262 Days

Day: 11.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,363,106 km

• M1: 153,039 km (0.07 R)
• M2: 544,985 km (0.035 R)
• M3: 1,016,218 km (0.072 R)
• M4: 1,561,802 km (0.077 R)
• M5: 2,022,862 km (0.093 R)
• M6: 2,434,406 km (0.071 R)
• M7: 2,931,520 km (0.119 R)
• M8: 3,429,980 km (0.107 R)
• M9: 3,888,198 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.2

Radius: 13.4

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.55 AU - 0.55 AU

Year: 277 Days

Day: 9.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,363,106 km

• M1: 166,652 km (0.11 R)
• M2: 638,334 km (0.067 R)
• M3: 1,237,025 km (0.108 R)
• M4: 1,668,615 km (0.11 R)
• M5: 2,090,032 km (0.079 R)
• M6: 2,740,184 km (0.087 R)
• M7: 3,183,443 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.2

Radius: 11.1

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.9 AU - 1.32 AU

Year: 793 Days

Day: 5.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,363,106 km

• M1: 138,079 km (0.1 R)
• M2: 686,205 km (0.08 R)
• M3: 1,403,677 km (0.114 R)
• M4: 1,781,860 km (0.092 R)
• M5: 2,176,499 km (0.059 R)
• M6: 2,842,958 km (0.064 R)
• M7: 4,012,514 km (0.107 R)
• M8: 5,478,274 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430

Radius: 8.8

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.15 AU - 1.79 AU

Year: 1209 Days

Day: 6.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,363,106 km

• M1: 109,506 km (0.051 R)
• M2: 689,197 km (0.067 R)
• M3: 1,146,368 km (0.072 R)
• M4: 1,553,723 km (0.096 R)
• M5: 3,601,868 km (0.052 R)
• M6: 4,163,758 km (0.101 R)
• M7: 5,949,807 km (0.115 R)
• M8: 7,538,985 km (0.111 R)
• M9: 9,364,827 km (0.118 R)
• M10: 9,797,613 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.7

Radius: 12.2

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.54 AU - 3 AU

Year: 3127 Days

Day: 5.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,363,106 km

• M1: 151,692 km (0.086 R)
• M2: 603,627 km (0.1 R)
• M3: 1,302,549 km (0.093 R)
• M4: 2,353,623 km (0.116 R)
• M5: 2,799,724 km (0.112 R)
• M6: 3,428,035 km (0.111 R)
• M7: 4,338,787 km (0.084 R)
• M8: 4,828,271 km (0.112 R)
• M9: 5,761,014 km (0.098 R)
• M10: 7,725,384 km (0.076 R)
• M11: 8,583,327 km (0.076 R)
• M12: 9,321,743 km (0.097 R)
• M13: 10,140,192 km (0.05 R)
• M14: 10,805,005 km (0.102 R)
• M15: 13,571,818 km (0.095 R)
• M16: 16,143,555 km (0.107 R)
• M17: 16,726,688 km (0.041 R)
• M18: 20,463,493 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.6

Radius: 9.2

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.65 AU - 3.53 AU

Year: 3684 Days

Day: 11.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,363,106 km

• M1: 114,592 km (0.069 R)
• M2: 543,639 km (0.088 R)
• M3: 863,180 km (0.12 R)
• M4: 2,309,941 km (0.076 R)
• M5: 2,681,991 km (0.098 R)
• M6: 3,184,939 km (0.1 R)
• M7: 3,770,315 km (0.116 R)
• M8: 4,132,791 km (0.111 R)
• M9: 4,495,117 km (0.084 R)
• M10: 5,738,874 km (0.098 R)
• M11: 6,161,936 km (0.111 R)
• M12: 7,007,463 km (0.06 R)
• M13: 7,690,976 km (0.109 R)
• M14: 8,706,895 km (0.05 R)
• M15: 9,228,244 km (0.085 R)
• M16: 10,960,587 km (0.091 R)
• M17: 12,290,961 km (0.098 R)
• M18: 13,187,351 km (0.12 R)
• M19: 13,775,421 km (0.075 R)
• M20: 16,528,470 km (0.051 R)
• M21: 17,619,787 km (0.115 R)
• M22: 19,128,182 km (0.095 R)
• M23: 22,815,770 km (0.114 R)
• M24: 23,592,033 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.3

Radius: 13.8

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.59 AU - 4.93 AU

Year: 5964 Days

Day: 12 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,363,106 km

• M1: 171,589 km (0.027 R)
• M2: 644,019 km (0.076 R)
• M3: 1,202,318 km (0.118 R)
• M4: 2,209,411 km (0.118 R)
• M5: 2,844,753 km (0.079 R)
• M6: 3,660,361 km (0.102 R)
• M7: 4,124,114 km (0.063 R)
• M8: 5,620,542 km (0.084 R)
• M9: 7,486,775 km (0.066 R)
• M10: 8,707,494 km (0.065 R)
• M11: 9,346,576 km (0.109 R)
• M12: 9,936,141 km (0.062 R)
• M13: 10,592,427 km (0.119 R)
• M14: 11,586,355 km (0.081 R)
• M15: 13,314,510 km (0.116 R)
• M16: 13,960,772 km (0.065 R)
• M17: 19,024,511 km (0.115 R)
• M18: 19,463,281 km (0.067 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.9

Radius: 13.7

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.39 AU - 6.77 AU

Year: 8940 Days

Day: 7.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,363,106 km

• M1: 170,392 km (0.071 R)
• M2: 723,007 km (0.111 R)
• M3: 1,207,554 km (0.043 R)
• M4: 1,762,712 km (0.06 R)
• M5: 2,783,717 km (0.084 R)
• M6: 3,953,423 km (0.106 R)
• M7: 4,739,709 km (0.101 R)
• M8: 5,832,073 km (0.06 R)
• M9: 6,401,442 km (0.108 R)
• M10: 7,819,331 km (0.068 R)
• M11: 8,783,489 km (0.087 R)
• M12: 10,325,694 km (0.07 R)
• M13: 12,441,157 km (0.085 R)
• M14: 13,266,788 km (0.106 R)
• M15: 13,754,776 km (0.089 R)
• M16: 14,831,881 km (0.113 R)
• M17: 19,551,395 km (0.114 R)
• M18: 20,024,722 km (0.085 R)
• M19: 26,318,454 km (0.041 R)
• M20: 28,376,771 km (0.104 R)
• M21: 30,329,622 km (0.106 R)
• M22: 30,964,515 km (0.062 R)
• M23: 34,616,349 km (0.105 R)
• M24: 35,077,559 km (0.072 R)
• M25: 37,567,316 km (0.057 R)
• M26: 40,299,572 km (0.094 R)
• M27: 41,067,159 km (0.089 R)
• M28: 41,844,469 km (0.116 R)
• M29: 43,965,318 km (0.074 R)
• M30: 47,279,659 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124.7

Radius: 4.6

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.9 AU - 7.56 AU

Year: 11842 Days

Day: 21.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,363,106 km

• M1: 59,091 km (0.088 R)
• M2: 812,765 km (0.097 R)
• M3: 987,795 km (0.054 R)
• M4: 1,496,876 km (0.105 R)
• M5: 1,696,440 km (0.077 R)
• M6: 2,273,738 km (0.06 R)
• M7: 2,572,635 km (0.105 R)
• M8: 3,989,027 km (0.096 R)
• M9: 7,502,333 km (0.114 R)
• M10: 7,864,809 km (0.059 R)
• M11: 8,125,558 km (0.071 R)
• M12: 12,058,785 km (0.028 R)
• M13: 13,591,266 km (0.094 R)
• M14: 14,239,174 km (0.051 R)
• M15: 15,537,833 km (0.056 R)
• M16: 15,712,863 km (0.069 R)
• M17: 16,913,685 km (0.098 R)
• M18: 26,908,468 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850.2

Radius: 3.9

Gravity: 55.9 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.7 AU - 9.66 AU

Year: 17345 Days

Day: 17 Hours

Environment

Temp: -238 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,363,106 km

• M1: 48,619 km (0.081 R)
• M2: 839,842 km (0.118 R)
• M3: 1,168,359 km (0.063 R)
• M4: 2,371,276 km (0.067 R)
• M5: 2,529,550 km (0.115 R)
• M6: 2,995,249 km (0.079 R)
• M7: 4,094,195 km (0.103 R)
• M8: 5,095,752 km (0.107 R)
• M9: 6,553,135 km (0.075 R)
• M10: 8,791,568 km (0.069 R)
• M11: 9,007,437 km (0.112 R)
• M12: 9,226,748 km (0.072 R)
• M13: 10,022,908 km (0.071 R)
• M14: 11,815,539 km (0.101 R)
• M15: 12,211,375 km (0.073 R)
• M16: 12,959,963 km (0.066 R)
• M17: 13,738,769 km (0.057 R)
• M18: 17,083,030 km (0.105 R)
• M19: 18,986,812 km (0.106 R)
• M20: 21,608,515 km (0.09 R)
• M21: 23,622,102 km (0.118 R)
• M22: 28,134,423 km (0.107 R)
• M23: 28,603,262 km (0.105 R)
• M24: 40,575,131 km (0.099 R)
• M25: 59,631,357 km (0.113 R)
• M26: 60,404,329 km (0.119 R)
• M27: 67,246,038 km (0.114 R)
• M28: 69,352,376 km (0.071 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 10,492 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit