🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.2

Radius: 14.9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.92 AU - 1.24 AU

Year: 725 Days

Day: 8 Hours

Environment

Temp: -171 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,454,464 km

• M1: 185,950 km (0.073 R)
• M2: 750,533 km (0.108 R)
• M3: 1,472,043 km (0.055 R)
• M4: 2,235,142 km (0.074 R)
• M5: 2,726,421 km (0.099 R)
• M6: 3,407,391 km (0.085 R)
• M7: 4,035,403 km (0.098 R)
• M8: 4,576,498 km (0.101 R)
• M9: 5,397,940 km (0.107 R)
• M10: 6,255,435 km (0.054 R)
• M11: 7,224,530 km (0.053 R)
• M12: 7,908,940 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.5

Radius: 8.2

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.12 AU - 1.32 AU

Year: 870 Days

Day: 14.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,454,464 km

• M1: 104,868 km (0.1 R)
• M2: 486,193 km (0.04 R)
• M3: 772,823 km (0.077 R)
• M4: 1,069,774 km (0.12 R)
• M5: 1,378,844 km (0.1 R)
• M6: 1,712,896 km (0.097 R)
• M7: 2,284,359 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.6

Radius: 12.3

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.31 AU - 2.83 AU

Year: 2660 Days

Day: 14.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,454,464 km

• M1: 154,086 km (0.106 R)
• M2: 692,339 km (0.114 R)
• M3: 1,205,011 km (0.086 R)
• M4: 2,481,081 km (0.098 R)
• M5: 3,293,846 km (0.076 R)
• M6: 4,276,554 km (0.103 R)
• M7: 4,821,091 km (0.108 R)
• M8: 5,671,405 km (0.109 R)
• M9: 6,292,086 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.2

Radius: 10.6

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.26 AU - 2.92 AU

Year: 2691 Days

Day: 11.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,454,464 km

• M1: 156,031 km (0.118 R)
• M2: 723,156 km (0.117 R)
• M3: 1,234,332 km (0.061 R)
• M4: 2,755,144 km (0.12 R)
• M5: 3,140,957 km (0.099 R)
• M6: 3,545,470 km (0.072 R)
• M7: 4,198,015 km (0.093 R)
• M8: 5,039,653 km (0.086 R)
• M9: 6,508,405 km (0.119 R)
• M10: 7,996,605 km (0.037 R)
• M11: 8,497,159 km (0.081 R)
• M12: 9,355,103 km (0.076 R)
• M13: 11,831,696 km (0.116 R)
• M14: 14,349,428 km (0.064 R)
• M15: 16,545,375 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.8

Radius: 9.7

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.57 AU - 5.19 AU

Year: 6961 Days

Day: 7 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,454,464 km

• M1: 123,867 km (0.055 R)
• M2: 578,196 km (0.055 R)
• M3: 1,172,847 km (0.114 R)
• M4: 1,544,448 km (0.098 R)
• M5: 3,242,085 km (0.1 R)
• M6: 4,119,925 km (0.093 R)
• M7: 10,674,257 km (0.099 R)
• M8: 12,597,038 km (0.094 R)
• M9: 13,016,062 km (0.097 R)
• M10: 14,329,531 km (0.076 R)
• M11: 16,068,606 km (0.076 R)
• M12: 16,412,682 km (0.045 R)
• M13: 16,912,937 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.9

Radius: 14.5

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.63 AU - 6.03 AU

Year: 9089 Days

Day: 14.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,454,464 km

• M1: 233,971 km (0.042 R)
• M2: 751,281 km (0.102 R)
• M3: 1,208,003 km (0.112 R)
• M4: 1,859,950 km (0.082 R)
• M5: 2,564,706 km (0.084 R)
• M6: 4,958,421 km (0.064 R)
• M7: 5,866,331 km (0.106 R)
• M8: 7,678,111 km (0.098 R)
• M9: 8,534,110 km (0.05 R)
• M10: 10,488,008 km (0.083 R)
• M11: 11,542,523 km (0.038 R)
• M12: 12,493,666 km (0.061 R)
• M13: 13,678,631 km (0.11 R)
• M14: 15,132,722 km (0.103 R)
• M15: 15,595,279 km (0.068 R)
• M16: 16,687,792 km (0.115 R)
• M17: 21,161,217 km (0.033 R)
• M18: 31,209,108 km (0.102 R)
• M19: 32,285,165 km (0.058 R)
• M20: 36,364,550 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.5

Radius: 4.7

Gravity: 44.34 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 9.14 AU - 11.84 AU

Year: 21937 Days

Day: 20.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,454,464 km

• M1: 64,776 km (0.062 R)
• M2: 272,867 km (0.044 R)
• M3: 572,361 km (0.12 R)
• M4: 1,110,166 km (0.091 R)
• M5: 2,123,542 km (0.042 R)
• M6: 2,303,658 km (0.075 R)
• M7: 2,543,164 km (0.099 R)
• M8: 4,488,983 km (0.055 R)
• M9: 4,748,835 km (0.041 R)
• M10: 5,889,668 km (0.113 R)
• M11: 7,714,463 km (0.063 R)
• M12: 9,518,015 km (0.103 R)
• M13: 11,176,307 km (0.072 R)
• M14: 14,970,558 km (0.108 R)
• M15: 16,059,331 km (0.088 R)
• M16: 16,404,603 km (0.088 R)
• M17: 18,299,410 km (0.118 R)
• M18: 19,445,030 km (0.085 R)
• M19: 20,841,227 km (0.081 R)
• M20: 22,089,921 km (0.038 R)
• M21: 23,387,682 km (0.103 R)
• M22: 23,719,790 km (0.047 R)
• M23: 24,850,001 km (0.092 R)
• M24: 29,215,716 km (0.059 R)
• M25: 33,642,766 km (0.073 R)
• M26: 34,779,411 km (0.047 R)
• M27: 35,794,881 km (0.096 R)
• M28: 46,883,225 km (0.085 R)
• M29: 51,033,818 km (0.11 R)
• M30: 52,912,318 km (0.093 R)
• M31: 64,506,751 km (0.059 R)
• M32: 66,037,736 km (0.063 R)
• M33: 68,266,595 km (0.068 R)
• M34: 70,775,650 km (0.12 R)
• M35: 80,417,383 km (0.049 R)
• M36: 85,550,684 km (0.079 R)
• M37: 89,271,033 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.8

Radius: 4.8

Gravity: 18.91 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 10.34 AU - 11.5 AU

Year: 23300 Days

Day: 16.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,454,464 km

• M1: 59,989 km (0.096 R)
• M2: 313,856 km (0.12 R)
• M3: 596,447 km (0.057 R)
• M4: 789,278 km (0.068 R)
• M5: 2,014,335 km (0.073 R)
• M6: 3,032,498 km (0.077 R)
• M7: 3,217,102 km (0.081 R)
• M8: 3,786,472 km (0.038 R)
• M9: 4,354,046 km (0.103 R)
• M10: 4,762,747 km (0.065 R)
• M11: 4,940,470 km (0.065 R)
• M12: 7,672,276 km (0.084 R)
• M13: 8,629,104 km (0.088 R)
• M14: 9,109,014 km (0.06 R)
• M15: 10,655,557 km (0.039 R)
• M16: 11,396,067 km (0.088 R)
• M17: 12,104,413 km (0.117 R)
• M18: 12,369,051 km (0.094 R)
• M19: 15,309,248 km (0.1 R)
• M20: 15,697,005 km (0.073 R)
• M21: 16,817,344 km (0.087 R)
• M22: 18,334,715 km (0.061 R)
• M23: 22,722,720 km (0.091 R)
• M24: 25,104,617 km (0.034 R)
• M25: 27,647,781 km (0.096 R)
• M26: 27,876,666 km (0.071 R)
• M27: 30,236,273 km (0.059 R)
• M28: 36,572,640 km (0.041 R)
• M29: 37,264,979 km (0.11 R)
• M30: 38,962,317 km (0.1 R)
• M31: 43,739,126 km (0.059 R)
• M32: 45,308,408 km (0.049 R)
• M33: 52,134,858 km (0.096 R)
• M34: 56,065,841 km (0.04 R)
• M35: 65,724,628 km (0.081 R)
• M36: 71,804,884 km (0.113 R)
• M37: 72,454,438 km (0.109 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 14,138 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit