🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.3

Radius: 9.4

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.51 AU - 0.57 AU

Year: 269 Days

Day: 12.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,482,972 km

• M1: 116,836 km (0.069 R)
• M2: 417,976 km (0.082 R)
• M3: 791,672 km (0.046 R)
• M4: 1,202,767 km (0.073 R)
• M5: 1,877,154 km (0.055 R)
• M6: 2,196,246 km (0.043 R)
• M7: 2,516,984 km (0.11 R)
• M8: 2,936,008 km (0.028 R)
• M9: 3,233,857 km (0.119 R)
• M10: 3,696,414 km (0.078 R)
• M11: 4,104,966 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.3

Radius: 14.9

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.67 AU - 2.69 AU

Year: 2976 Days

Day: 10.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,482,972 km

• M1: 187,596 km (0.12 R)
• M2: 661,671 km (0.099 R)
• M3: 1,749,697 km (0.095 R)
• M4: 2,768,757 km (0.06 R)
• M5: 3,451,672 km (0.106 R)
• M6: 4,137,578 km (0.09 R)
• M7: 5,454,338 km (0.115 R)
• M8: 6,104,790 km (0.075 R)
• M9: 6,681,938 km (0.083 R)
• M10: 7,321,769 km (0.057 R)
• M11: 9,148,059 km (0.077 R)
• M12: 10,400,792 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.7

Radius: 10.2

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.65 AU - 2.99 AU

Year: 3212 Days

Day: 5.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,482,972 km

• M1: 126,859 km (0.093 R)
• M2: 533,017 km (0.111 R)
• M3: 852,558 km (0.047 R)
• M4: 1,202,168 km (0.06 R)
• M5: 1,614,610 km (0.077 R)
• M6: 2,191,310 km (0.058 R)
• M7: 2,664,936 km (0.108 R)
• M8: 3,881,915 km (0.043 R)
• M9: 4,276,854 km (0.117 R)
• M10: 4,722,805 km (0.103 R)
• M11: 5,096,650 km (0.066 R)
• M12: 5,436,686 km (0.118 R)
• M13: 5,819,656 km (0.039 R)
• M14: 6,488,209 km (0.109 R)
• M15: 8,365,962 km (0.1 R)
• M16: 10,414,106 km (0.053 R)
• M17: 11,006,663 km (0.094 R)
• M18: 15,475,152 km (0.11 R)
• M19: 16,472,222 km (0.059 R)
• M20: 18,471,597 km (0.112 R)
• M21: 20,041,328 km (0.098 R)
• M22: 20,365,656 km (0.106 R)
• M23: 21,292,564 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.8

Radius: 12.5

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.83 AU - 3.15 AU

Year: 3507 Days

Day: 13.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,482,972 km

• M1: 155,731 km (0.117 R)
• M2: 812,017 km (0.084 R)
• M3: 1,602,492 km (0.104 R)
• M4: 2,064,151 km (0.091 R)
• M5: 7,651,333 km (0.047 R)
• M6: 8,332,452 km (0.073 R)
• M7: 9,315,609 km (0.057 R)
• M8: 14,692,755 km (0.113 R)
• M9: 17,303,687 km (0.091 R)
• M10: 20,854,093 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.4

Radius: 11.5

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.54 AU - 5.42 AU

Year: 7538 Days

Day: 8.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,482,972 km

• M1: 143,016 km (0.11 R)
• M2: 683,513 km (0.098 R)
• M3: 1,385,276 km (0.075 R)
• M4: 2,316,224 km (0.032 R)
• M5: 2,707,273 km (0.097 R)
• M6: 3,647,794 km (0.072 R)
• M7: 4,181,111 km (0.058 R)
• M8: 4,738,213 km (0.102 R)
• M9: 6,889,431 km (0.114 R)
• M10: 7,365,002 km (0.042 R)
• M11: 8,713,478 km (0.09 R)
• M12: 9,183,065 km (0.096 R)
• M13: 11,842,018 km (0.097 R)
• M14: 13,459,620 km (0.088 R)
• M15: 14,736,288 km (0.066 R)
• M16: 21,340,435 km (0.095 R)
• M17: 21,804,039 km (0.032 R)
• M18: 22,751,443 km (0.098 R)
• M19: 23,726,073 km (0.051 R)
• M20: 24,559,333 km (0.113 R)
• M21: 25,239,854 km (0.107 R)
• M22: 30,849,475 km (0.106 R)
• M23: 31,442,480 km (0.116 R)
• M24: 32,244,923 km (0.102 R)
• M25: 32,651,381 km (0.074 R)
• M26: 36,244,572 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.1

Radius: 7.5

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.48 AU - 7.5 AU

Year: 13903 Days

Day: 24.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 32,482,972 km

• M1: 93,499 km (0.097 R)
• M2: 505,491 km (0.109 R)
• M3: 923,617 km (0.034 R)
• M4: 1,293,274 km (0.059 R)
• M5: 2,031,539 km (0.091 R)
• M6: 2,861,508 km (0.112 R)
• M7: 3,494,307 km (0.097 R)
• M8: 3,984,689 km (0.105 R)
• M9: 4,520,100 km (0.099 R)
• M10: 5,411,853 km (0.108 R)
• M11: 6,858,763 km (0.053 R)
• M12: 7,236,199 km (0.059 R)
• M13: 7,850,597 km (0.109 R)
• M14: 8,885,665 km (0.045 R)
• M15: 9,538,659 km (0.11 R)
• M16: 10,169,214 km (0.069 R)
• M17: 11,571,994 km (0.047 R)
• M18: 15,887,443 km (0.057 R)
• M19: 17,458,221 km (0.025 R)
• M20: 25,669,947 km (0.1 R)
• M21: 26,579,802 km (0.048 R)
• M22: 28,785,921 km (0.088 R)
• M23: 32,729,321 km (0.09 R)
• M24: 33,083,120 km (0.103 R)
• M25: 34,281,250 km (0.093 R)
• M26: 34,524,197 km (0.094 R)
• M27: 37,531,114 km (0.057 R)
• M28: 40,166,729 km (0.071 R)
• M29: 41,944,401 km (0.107 R)
• M30: 42,641,975 km (0.044 R)
• M31: 43,631,416 km (0.119 R)
• M32: 45,950,332 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.8

Radius: 5.5

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.31 AU - 10.27 AU

Year: 19205 Days

Day: 19.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,482,972 km

• M1: 68,965 km (0.08 R)
• M2: 242,049 km (0.116 R)
• M3: 883,675 km (0.09 R)
• M4: 2,205,821 km (0.108 R)
• M5: 2,681,691 km (0.075 R)
• M6: 3,433,720 km (0.107 R)
• M7: 8,020,091 km (0.079 R)
• M8: 9,135,643 km (0.111 R)
• M9: 13,097,294 km (0.09 R)
• M10: 13,634,200 km (0.119 R)
• M11: 15,040,420 km (0.117 R)
• M12: 24,656,422 km (0.1 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: 300 - 16,048 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit