🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628

Radius: 13.2

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.57 AU - 0.67 AU

Year: 326 Days

Day: 13.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,902,366 km

• M1: 164,109 km (0.115 R)
• M2: 646,113 km (0.056 R)
• M3: 1,194,240 km (0.092 R)
• M4: 2,184,129 km (0.083 R)
• M5: 2,627,088 km (0.109 R)
• M6: 3,341,119 km (0.05 R)
• M7: 3,850,799 km (0.055 R)
• M8: 4,321,434 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.1

Radius: 8.8

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.59 AU - 0.69 AU

Year: 341 Days

Day: 9.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,902,366 km

• M1: 109,506 km (0.03 R)
• M2: 432,487 km (0.11 R)
• M3: 748,139 km (0.087 R)
• M4: 1,098,647 km (0.096 R)
• M5: 1,435,392 km (0.099 R)
• M6: 1,767,200 km (0.099 R)
• M7: 2,783,568 km (0.054 R)
• M8: 3,535,895 km (0.083 R)
• M9: 4,043,481 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.7

Radius: 10.6

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.69 AU - 1.01 AU

Year: 523 Days

Day: 13.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,902,366 km

• M1: 132,544 km (0.082 R)
• M2: 538,104 km (0.072 R)
• M3: 1,000,361 km (0.09 R)
• M4: 1,353,562 km (0.05 R)
• M5: 1,693,747 km (0.088 R)
• M6: 2,332,530 km (0.1 R)
• M7: 2,755,294 km (0.101 R)
• M8: 5,207,053 km (0.118 R)
• M9: 6,076,815 km (0.117 R)

Asteroid Belt

Center: 1.14 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.7

Radius: 11

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.32 AU - 1.54 AU

Year: 1140 Days

Day: 5.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,902,366 km

• M1: 137,032 km (0.101 R)
• M2: 480,658 km (0.064 R)
• M3: 855,550 km (0.044 R)
• M4: 1,286,392 km (0.051 R)
• M5: 1,655,749 km (0.091 R)
• M6: 2,127,431 km (0.102 R)
• M7: 2,580,114 km (0.068 R)
• M8: 2,925,835 km (0.058 R)
• M9: 3,288,610 km (0.075 R)
• M10: 5,803,500 km (0.112 R)
• M11: 6,424,630 km (0.048 R)
• M12: 6,855,173 km (0.081 R)
• M13: 7,451,171 km (0.105 R)
• M14: 7,825,165 km (0.074 R)
• M15: 9,448,452 km (0.108 R)
• M16: 10,308,789 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.7

Radius: 13.4

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.91 AU - 1.99 AU

Year: 1816 Days

Day: 6.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,902,366 km

• M1: 166,802 km (0.074 R)
• M2: 599,439 km (0.039 R)
• M3: 1,029,682 km (0.095 R)
• M4: 1,506,451 km (0.106 R)
• M5: 2,022,414 km (0.079 R)
• M6: 2,539,873 km (0.101 R)
• M7: 3,795,448 km (0.085 R)
• M8: 4,591,159 km (0.078 R)
• M9: 5,967,459 km (0.095 R)
• M10: 6,890,628 km (0.116 R)
• M11: 7,521,482 km (0.093 R)
• M12: 8,929,497 km (0.108 R)
• M13: 9,456,979 km (0.088 R)
• M14: 10,371,172 km (0.079 R)
• M15: 10,919,597 km (0.059 R)
• M16: 11,705,136 km (0.097 R)
• M17: 12,149,441 km (0.103 R)
• M18: 13,150,700 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.5

Radius: 9.8

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.83 AU - 2.41 AU

Year: 2058 Days

Day: 9.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,902,366 km

• M1: 122,221 km (0.07 R)
• M2: 452,085 km (0.118 R)
• M3: 990,039 km (0.066 R)
• M4: 1,764,806 km (0.071 R)
• M5: 2,192,506 km (0.026 R)
• M6: 2,963,983 km (0.117 R)
• M7: 4,003,239 km (0.113 R)
• M8: 4,489,432 km (0.092 R)
• M9: 5,060,447 km (0.07 R)
• M10: 5,629,667 km (0.077 R)
• M11: 9,625,277 km (0.074 R)
• M12: 10,764,614 km (0.098 R)
• M13: 11,828,105 km (0.093 R)
• M14: 12,788,075 km (0.118 R)
• M15: 13,754,028 km (0.117 R)
• M16: 15,245,070 km (0.093 R)
• M17: 15,732,310 km (0.081 R)
• M18: 17,414,389 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.2

Radius: 13.9

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.85 AU - 2.43 AU

Year: 2088 Days

Day: 14 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,902,366 km

• M1: 173,085 km (0.042 R)
• M2: 756,816 km (0.119 R)
• M3: 1,837,211 km (0.071 R)
• M4: 2,337,018 km (0.103 R)
• M5: 2,788,355 km (0.082 R)
• M6: 3,503,582 km (0.095 R)
• M7: 4,064,275 km (0.108 R)
• M8: 5,389,114 km (0.099 R)
• M9: 6,380,648 km (0.078 R)
• M10: 6,907,532 km (0.094 R)
• M11: 7,355,129 km (0.082 R)
• M12: 8,456,169 km (0.106 R)
• M13: 9,439,326 km (0.073 R)
• M14: 10,914,062 km (0.065 R)
• M15: 11,486,723 km (0.052 R)
• M16: 13,569,424 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.5

Radius: 14.8

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.22 AU - 2.28 AU

Year: 2251 Days

Day: 14.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,902,366 km

• M1: 185,501 km (0.056 R)
• M2: 800,797 km (0.112 R)
• M3: 1,675,197 km (0.088 R)
• M4: 2,229,457 km (0.088 R)
• M5: 3,223,834 km (0.107 R)
• M6: 3,701,201 km (0.116 R)
• M7: 4,340,881 km (0.099 R)
• M8: 5,053,865 km (0.116 R)
• M9: 5,541,255 km (0.046 R)
• M10: 6,663,089 km (0.069 R)
• M11: 7,529,560 km (0.109 R)
• M12: 8,318,090 km (0.072 R)
• M13: 9,520,408 km (0.057 R)
• M14: 11,957,657 km (0.088 R)
• M15: 12,707,292 km (0.09 R)
• M16: 14,785,805 km (0.099 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.6

Radius: 12.4

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.73 AU - 2.91 AU

Year: 3158 Days

Day: 11.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,902,366 km

• M1: 154,684 km (0.096 R)
• M2: 600,037 km (0.09 R)
• M3: 1,248,394 km (0.084 R)
• M4: 1,735,784 km (0.119 R)
• M5: 2,322,058 km (0.083 R)
• M6: 3,682,052 km (0.096 R)
• M7: 4,223,447 km (0.097 R)
• M8: 5,441,623 km (0.118 R)
• M9: 7,517,592 km (0.116 R)
• M10: 9,924,772 km (0.095 R)
• M11: 10,817,123 km (0.1 R)
• M12: 11,889,590 km (0.061 R)
• M13: 13,443,463 km (0.112 R)
• M14: 15,128,833 km (0.082 R)
• M15: 16,682,107 km (0.063 R)
• M16: 17,442,364 km (0.103 R)
• M17: 18,112,263 km (0.045 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 15,447 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit