🌌 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: 833.8

Radius: 9

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.51 AU - 0.57 AU

Year: 274 Days

Day: 10.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,070,457 km

• M1: 111,899 km (0.089 R)
• M2: 400,174 km (0.086 R)
• M3: 1,039,256 km (0.106 R)
• M4: 1,369,868 km (0.101 R)
• M5: 1,862,942 km (0.105 R)
• M6: 2,375,165 km (0.05 R)
• M7: 2,821,117 km (0.05 R)
• M8: 3,431,476 km (0.119 R)
• M9: 3,786,023 km (0.117 R)
• M10: 4,636,786 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.5

Radius: 10.5

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.46 AU - 0.64 AU

Year: 282 Days

Day: 12.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,070,457 km

• M1: 130,599 km (0.072 R)
• M2: 546,481 km (0.078 R)
• M3: 876,644 km (0.115 R)
• M4: 1,204,712 km (0.093 R)
• M5: 1,687,314 km (0.089 R)
• M6: 2,018,823 km (0.11 R)
• M7: 2,555,880 km (0.069 R)
• M8: 2,997,642 km (0.114 R)
• M9: 3,522,282 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.6

Radius: 9.2

Gravity: 10.64 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.64 AU - 0.68 AU

Year: 370 Days

Day: 9 Hours

Environment

Temp: -154 °C

Axial Tilt: 158 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,070,457 km

• M1: 114,442 km (0.064 R)
• M2: 469,438 km (0.112 R)
• M3: 1,024,745 km (0.096 R)
• M4: 1,324,839 km (0.034 R)
• M5: 1,620,145 km (0.116 R)
• M6: 2,033,783 km (0.114 R)
• M7: 2,684,085 km (0.116 R)
• M8: 3,551,753 km (0.038 R)
• M9: 3,840,477 km (0.099 R)
• M10: 4,863,128 km (0.11 R)
• M11: 5,495,478 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.4

Radius: 13.9

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.5 AU - 4.6 AU

Year: 5626 Days

Day: 9.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,070,457 km

• M1: 172,935 km (0.073 R)
• M2: 621,130 km (0.11 R)
• M3: 1,153,100 km (0.064 R)
• M4: 1,995,037 km (0.057 R)
• M5: 2,622,899 km (0.117 R)
• M6: 3,234,156 km (0.078 R)
• M7: 4,498,857 km (0.1 R)
• M8: 5,706,560 km (0.09 R)
• M9: 7,806,166 km (0.047 R)
• M10: 9,177,680 km (0.094 R)
• M11: 11,995,804 km (0.07 R)
• M12: 12,638,327 km (0.069 R)
• M13: 13,861,589 km (0.118 R)
• M14: 14,795,678 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.7

Radius: 7.5

Gravity: 17.43 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.24 AU - 8.34 AU

Year: 12213 Days

Day: 23.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,070,457 km

• M1: 93,349 km (0.097 R)
• M2: 370,105 km (0.054 R)
• M3: 758,461 km (0.079 R)
• M4: 1,164,021 km (0.078 R)
• M5: 1,807,741 km (0.111 R)
• M6: 2,668,377 km (0.045 R)
• M7: 3,665,447 km (0.076 R)
• M8: 4,372,147 km (0.091 R)
• M9: 5,746,952 km (0.061 R)
• M10: 6,250,049 km (0.063 R)
• M11: 14,499,325 km (0.078 R)
• M12: 15,430,721 km (0.074 R)
• M13: 17,333,157 km (0.077 R)
• M14: 17,812,020 km (0.114 R)
• M15: 19,557,827 km (0.041 R)
• M16: 20,516,301 km (0.068 R)
• M17: 21,142,368 km (0.11 R)
• M18: 23,579,616 km (0.116 R)
• M19: 26,617,500 km (0.091 R)
• M20: 27,254,937 km (0.077 R)
• M21: 31,767,108 km (0.108 R)
• M22: 32,725,581 km (0.09 R)
• M23: 35,206,064 km (0.095 R)
• M24: 39,021,408 km (0.094 R)
• M25: 42,236,715 km (0.097 R)
• M26: 42,813,415 km (0.104 R)
• M27: 44,130,025 km (0.113 R)
• M28: 44,574,780 km (0.039 R)
• M29: 45,022,676 km (0.115 R)
• M30: 46,231,427 km (0.108 R)
• M31: 47,461,720 km (0.052 R)
• M32: 48,713,704 km (0.091 R)
• M33: 53,942,150 km (0.116 R)
• M34: 56,866,190 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.1

Radius: 8

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.1 AU - 11 AU

Year: 20371 Days

Day: 18.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,070,457 km

• M1: 122,670 km (0.119 R)
• M2: 662,270 km (0.091 R)
• M3: 1,256,622 km (0.06 R)
• M4: 1,809,985 km (0.064 R)
• M5: 2,200,884 km (0.088 R)
• M6: 3,131,383 km (0.097 R)
• M7: 3,417,563 km (0.079 R)
• M8: 4,601,331 km (0.086 R)
• M9: 5,301,749 km (0.095 R)
• M10: 6,206,516 km (0.082 R)
• M11: 6,804,010 km (0.062 R)
• M12: 7,172,919 km (0.08 R)
• M13: 11,477,298 km (0.08 R)
• M14: 16,512,613 km (0.05 R)
• M15: 34,905,671 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 734.8

Radius: 3.5

Gravity: 59.98 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 7.98 AU - 11.9 AU

Year: 21632 Days

Day: 24.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 82,070,457 km

• M1: 43,832 km (0.109 R)
• M2: 155,731 km (0.045 R)
• M3: 367,113 km (0.034 R)
• M4: 781,649 km (0.114 R)
• M5: 893,398 km (0.117 R)
• M6: 1,535,772 km (0.118 R)
• M7: 1,805,945 km (0.085 R)
• M8: 2,002,966 km (0.048 R)
• M9: 2,833,384 km (0.076 R)
• M10: 3,155,019 km (0.119 R)
• M11: 3,934,723 km (0.095 R)
• M12: 4,871,954 km (0.089 R)
• M13: 5,293,221 km (0.105 R)
• M14: 5,492,635 km (0.067 R)
• M15: 6,702,733 km (0.048 R)
• M16: 7,271,803 km (0.095 R)
• M17: 7,568,156 km (0.051 R)
• M18: 8,237,756 km (0.062 R)
• M19: 8,834,502 km (0.079 R)
• M20: 9,992,390 km (0.071 R)
• M21: 10,988,562 km (0.091 R)
• M22: 12,745,739 km (0.11 R)
• M23: 14,526,103 km (0.041 R)
• M24: 16,975,918 km (0.084 R)
• M25: 18,208,006 km (0.094 R)
• M26: 20,554,149 km (0.119 R)
• M27: 24,935,721 km (0.081 R)
• M28: 26,873,163 km (0.106 R)
• M29: 28,785,921 km (0.037 R)
• M30: 29,277,949 km (0.109 R)
• M31: 31,561,560 km (0.053 R)
• M32: 36,622,905 km (0.052 R)
• M33: 37,930,989 km (0.108 R)
• M34: 39,119,544 km (0.053 R)
• M35: 41,103,361 km (0.047 R)
• M36: 42,041,340 km (0.114 R)
• M37: 47,285,344 km (0.029 R)
• M38: 50,418,372 km (0.088 R)
• M39: 51,132,851 km (0.097 R)
• M40: 58,260,741 km (0.107 R)
• M41: 60,240,669 km (0.095 R)
• M42: 60,642,040 km (0.105 R)
• M43: 70,371,437 km (0.117 R)
• M44: 79,152,832 km (0.091 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: 286 - 15,645 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit