🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.4

Radius: 8.6

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.2 AU - 1.42 AU

Year: 1035 Days

Day: 10.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,308,149 km

• M1: 107,262 km (0.109 R)
• M2: 473,477 km (0.089 R)
• M3: 744,100 km (0.078 R)
• M4: 1,064,538 km (0.059 R)
• M5: 1,437,187 km (0.116 R)
• M6: 1,895,854 km (0.043 R)
• M7: 2,312,783 km (0.101 R)
• M8: 2,652,520 km (0.078 R)
• M9: 2,958,597 km (0.072 R)
• M10: 3,245,825 km (0.113 R)
• M11: 4,188,292 km (0.107 R)
• M12: 4,713,829 km (0.105 R)
• M13: 5,302,497 km (0.069 R)
• M14: 5,749,345 km (0.107 R)
• M15: 6,133,513 km (0.07 R)
• M16: 7,048,603 km (0.097 R)
• M17: 8,892,845 km (0.07 R)
• M18: 10,277,823 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.1

Radius: 8.3

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.36 AU - 1.72 AU

Year: 1319 Days

Day: 9.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,308,149 km

• M1: 103,223 km (0.117 R)
• M2: 362,625 km (0.102 R)
• M3: 650,452 km (0.117 R)
• M4: 975,977 km (0.088 R)
• M5: 1,923,081 km (0.107 R)
• M6: 2,511,150 km (0.088 R)
• M7: 3,162,649 km (0.119 R)
• M8: 3,675,320 km (0.113 R)
• M9: 3,966,737 km (0.086 R)
• M10: 4,629,456 km (0.108 R)
• M11: 5,022,599 km (0.072 R)
• M12: 6,461,581 km (0.106 R)
• M13: 7,287,062 km (0.117 R)
• M14: 8,378,378 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.1

Radius: 11

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.25 AU - 3.07 AU

Year: 2995 Days

Day: 7.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,308,149 km

• M1: 136,732 km (0.063 R)
• M2: 488,287 km (0.099 R)
• M3: 874,699 km (0.052 R)
• M4: 1,570,628 km (0.097 R)
• M5: 2,053,680 km (0.116 R)
• M6: 2,465,971 km (0.061 R)
• M7: 2,826,203 km (0.101 R)
• M8: 3,339,324 km (0.054 R)
• M9: 3,838,532 km (0.12 R)
• M10: 4,346,117 km (0.096 R)
• M11: 4,788,478 km (0.104 R)
• M12: 5,472,739 km (0.11 R)
• M13: 5,838,506 km (0.065 R)
• M14: 6,325,596 km (0.092 R)
• M15: 8,713,178 km (0.096 R)
• M16: 11,727,127 km (0.117 R)
• M17: 12,420,812 km (0.104 R)
• M18: 13,446,305 km (0.081 R)
• M19: 15,811,747 km (0.053 R)
• M20: 16,206,536 km (0.089 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.1

Radius: 6.3

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 6.64 AU - 7.36 AU

Year: 12784 Days

Day: 22.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,308,149 km

• M1: 78,389 km (0.118 R)
• M2: 520,750 km (0.091 R)
• M3: 789,578 km (0.119 R)
• M4: 1,989,502 km (0.107 R)
• M5: 2,344,797 km (0.118 R)
• M6: 3,419,508 km (0.077 R)
• M7: 4,698,420 km (0.063 R)
• M8: 5,134,199 km (0.061 R)
• M9: 5,596,606 km (0.109 R)
• M10: 6,050,336 km (0.082 R)
• M11: 6,642,145 km (0.103 R)
• M12: 7,031,250 km (0.106 R)
• M13: 8,649,599 km (0.052 R)
• M14: 9,448,302 km (0.087 R)
• M15: 9,940,479 km (0.058 R)
• M16: 12,779,548 km (0.1 R)
• M17: 13,320,344 km (0.031 R)
• M18: 14,771,743 km (0.112 R)
• M19: 17,688,751 km (0.113 R)
• M20: 18,511,689 km (0.076 R)
• M21: 18,894,211 km (0.098 R)
• M22: 20,476,657 km (0.07 R)
• M23: 21,551,518 km (0.108 R)
• M24: 21,974,730 km (0.118 R)
• M25: 28,496,749 km (0.103 R)
• M26: 29,730,632 km (0.114 R)
• M27: 31,865,693 km (0.039 R)
• M28: 34,675,440 km (0.111 R)
• M29: 36,797,935 km (0.107 R)
• M30: 43,682,279 km (0.079 R)
• M31: 44,223,973 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.8

Radius: 3.1

Gravity: 40.35 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.86 AU - 9.84 AU

Year: 16655 Days

Day: 18.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,308,149 km

• M1: 40,391 km (0.09 R)
• M2: 166,652 km (0.116 R)
• M3: 270,922 km (0.115 R)
• M4: 518,207 km (0.088 R)
• M5: 1,039,855 km (0.091 R)
• M6: 1,424,770 km (0.051 R)
• M7: 1,828,984 km (0.093 R)
• M8: 2,571,737 km (0.111 R)
• M9: 2,723,728 km (0.068 R)
• M10: 3,117,769 km (0.104 R)
• M11: 3,366,700 km (0.075 R)
• M12: 3,847,807 km (0.068 R)
• M13: 6,914,862 km (0.112 R)
• M14: 7,867,053 km (0.113 R)
• M15: 8,660,221 km (0.115 R)
• M16: 12,185,195 km (0.05 R)
• M17: 12,428,890 km (0.109 R)
• M18: 14,026,446 km (0.052 R)
• M19: 14,839,810 km (0.111 R)
• M20: 15,470,065 km (0.106 R)
• M21: 16,337,883 km (0.099 R)
• M22: 18,568,088 km (0.118 R)
• M23: 20,732,918 km (0.048 R)
• M24: 20,906,153 km (0.051 R)
• M25: 24,190,574 km (0.118 R)
• M26: 25,954,782 km (0.059 R)
• M27: 27,177,296 km (0.114 R)
• M28: 35,327,986 km (0.106 R)
• M29: 37,464,992 km (0.093 R)
• M30: 41,718,209 km (0.07 R)
• M31: 41,994,217 km (0.116 R)
• M32: 44,246,413 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.7

Radius: 6.7

Gravity: 13.83 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 8.18 AU - 9.58 AU

Year: 18265 Days

Day: 25 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,308,149 km

• M1: 83,625 km (0.107 R)
• M2: 346,169 km (0.098 R)
• M3: 581,038 km (0.083 R)
• M4: 861,385 km (0.066 R)
• M5: 1,461,122 km (0.094 R)
• M6: 1,896,901 km (0.083 R)
• M7: 2,373,071 km (0.079 R)
• M8: 2,975,651 km (0.109 R)
• M9: 3,340,072 km (0.093 R)
• M10: 3,942,053 km (0.068 R)
• M11: 4,221,353 km (0.06 R)
• M12: 5,587,181 km (0.057 R)
• M13: 6,142,489 km (0.119 R)
• M14: 6,954,057 km (0.081 R)
• M15: 7,455,509 km (0.086 R)
• M16: 8,840,636 km (0.084 R)
• M17: 9,212,087 km (0.038 R)
• M18: 14,886,783 km (0.09 R)
• M19: 16,028,963 km (0.117 R)
• M20: 19,894,871 km (0.069 R)
• M21: 22,528,991 km (0.112 R)
• M22: 27,795,135 km (0.105 R)
• M23: 28,938,511 km (0.119 R)
• M24: 29,404,509 km (0.05 R)
• M25: 33,060,681 km (0.085 R)
• M26: 33,442,155 km (0.08 R)
• M27: 35,393,659 km (0.096 R)
• M28: 40,240,182 km (0.044 R)
• M29: 43,199,078 km (0.063 R)
• M30: 45,042,273 km (0.055 R)
• M31: 53,637,120 km (0.091 R)
• M32: 54,163,854 km (0.062 R)
• M33: 56,667,673 km (0.115 R)
• M34: 58,502,791 km (0.093 R)
• M35: 58,874,392 km (0.106 R)
• M36: 59,247,788 km (0.099 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 17,544 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit