🌌 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: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.1

Radius: 9.8

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.46 AU - 0.76 AU

Year: 335 Days

Day: 10.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,445,157 km

• M1: 122,371 km (0.077 R)
• M2: 436,227 km (0.103 R)
• M3: 796,908 km (0.095 R)
• M4: 1,216,231 km (0.114 R)
• M5: 1,666,969 km (0.107 R)
• M6: 2,017,477 km (0.057 R)
• M7: 2,850,587 km (0.068 R)
• M8: 3,542,029 km (0.119 R)
• M9: 4,214,770 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.8

Radius: 14.7

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.93 AU - 1.17 AU

Year: 756 Days

Day: 8.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,445,157 km

• M1: 182,809 km (0.081 R)
• M2: 691,441 km (0.104 R)
• M3: 2,056,522 km (0.045 R)
• M4: 3,042,073 km (0.091 R)
• M5: 3,825,966 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.9

Radius: 8.3

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.63 AU - 1.63 AU

Year: 1463 Days

Day: 11.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,445,157 km

• M1: 103,372 km (0.05 R)
• M2: 381,175 km (0.116 R)
• M3: 836,551 km (0.108 R)
• M4: 1,188,106 km (0.107 R)
• M5: 1,481,767 km (0.096 R)
• M6: 1,960,630 km (0.076 R)
• M7: 2,338,664 km (0.098 R)
• M8: 2,683,786 km (0.059 R)
• M9: 3,476,655 km (0.097 R)
• M10: 4,323,678 km (0.116 R)
• M11: 4,785,785 km (0.091 R)
• M12: 5,091,115 km (0.093 R)
• M13: 6,945,380 km (0.054 R)
• M14: 7,771,909 km (0.118 R)
• M15: 8,052,105 km (0.101 R)
• M16: 8,455,720 km (0.119 R)
• M17: 9,555,863 km (0.09 R)
• M18: 10,509,250 km (0.051 R)
• M19: 11,345,054 km (0.063 R)
• M20: 11,706,033 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.6

Radius: 14.7

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.26 AU - 4.2 AU

Year: 5064 Days

Day: 8.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,445,157 km

• M1: 183,706 km (0.108 R)
• M2: 657,931 km (0.064 R)
• M3: 1,233,434 km (0.07 R)
• M4: 1,806,095 km (0.112 R)
• M5: 2,454,003 km (0.095 R)
• M6: 3,936,070 km (0.102 R)
• M7: 4,658,328 km (0.038 R)
• M8: 5,676,641 km (0.094 R)
• M9: 9,719,673 km (0.075 R)
• M10: 11,625,101 km (0.118 R)
• M11: 12,484,092 km (0.105 R)
• M12: 13,548,630 km (0.115 R)
• M13: 14,788,647 km (0.109 R)
• M14: 15,736,948 km (0.113 R)
• M15: 16,226,133 km (0.112 R)
• M16: 16,725,491 km (0.111 R)
• M17: 17,886,819 km (0.11 R)
• M18: 19,799,129 km (0.099 R)
• M19: 21,618,837 km (0.082 R)
• M20: 24,188,629 km (0.115 R)
• M21: 26,266,544 km (0.091 R)
• M22: 28,370,937 km (0.087 R)
• M23: 29,188,489 km (0.066 R)
• M24: 31,445,173 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.4

Radius: 11.1

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.44 AU - 4.46 AU

Year: 5518 Days

Day: 10.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,445,157 km

• M1: 147,055 km (0.029 R)
• M2: 608,265 km (0.115 R)
• M3: 1,031,178 km (0.12 R)
• M4: 1,539,960 km (0.084 R)
• M5: 1,910,963 km (0.113 R)
• M6: 2,425,879 km (0.077 R)
• M7: 3,132,131 km (0.112 R)
• M8: 4,091,352 km (0.065 R)
• M9: 5,836,711 km (0.112 R)
• M10: 7,502,782 km (0.075 R)
• M11: 8,070,955 km (0.118 R)
• M12: 9,815,864 km (0.1 R)
• M13: 13,535,466 km (0.104 R)
• M14: 15,435,658 km (0.03 R)
• M15: 16,231,070 km (0.115 R)
• M16: 19,617,068 km (0.103 R)
• M17: 20,404,701 km (0.11 R)
• M18: 20,843,172 km (0.044 R)
• M19: 22,894,608 km (0.091 R)
• M20: 25,160,567 km (0.086 R)
• M21: 26,176,037 km (0.104 R)
• M22: 27,218,585 km (0.034 R)
• M23: 30,607,575 km (0.087 R)
• M24: 33,251,418 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.4

Radius: 5.7

Gravity: 27.93 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.72 AU - 6.62 AU

Year: 9490 Days

Day: 18.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,445,157 km

• M1: 71,807 km (0.037 R)
• M2: 256,261 km (0.097 R)
• M3: 458,966 km (0.073 R)
• M4: 680,521 km (0.109 R)
• M5: 1,928,616 km (0.1 R)
• M6: 2,459,239 km (0.102 R)
• M7: 2,856,571 km (0.118 R)
• M8: 3,271,556 km (0.118 R)
• M9: 4,107,210 km (0.077 R)
• M10: 4,484,495 km (0.078 R)
• M11: 5,580,749 km (0.09 R)
• M12: 5,898,494 km (0.1 R)
• M13: 6,416,851 km (0.058 R)
• M14: 7,127,142 km (0.046 R)
• M15: 8,154,131 km (0.088 R)
• M16: 8,796,804 km (0.083 R)
• M17: 10,710,908 km (0.107 R)
• M18: 12,704,749 km (0.091 R)
• M19: 18,088,028 km (0.086 R)
• M20: 19,019,724 km (0.114 R)
• M21: 20,894,335 km (0.056 R)
• M22: 22,621,592 km (0.102 R)
• M23: 23,338,315 km (0.081 R)
• M24: 25,387,507 km (0.103 R)
• M25: 25,869,361 km (0.091 R)
• M26: 26,554,220 km (0.067 R)
• M27: 31,913,415 km (0.118 R)
• M28: 34,667,511 km (0.045 R)
• M29: 35,260,517 km (0.109 R)
• M30: 35,981,130 km (0.036 R)
• M31: 41,968,935 km (0.055 R)
• M32: 43,597,607 km (0.079 R)
• M33: 47,852,768 km (0.092 R)
• M34: 49,032,497 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.3

Radius: 6.6

Gravity: 19.41 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.15 AU - 7.11 AU

Year: 10668 Days

Day: 16.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,445,157 km

• M1: 82,129 km (0.078 R)
• M2: 305,778 km (0.106 R)
• M3: 860,637 km (0.043 R)
• M4: 1,160,580 km (0.077 R)
• M5: 1,854,864 km (0.112 R)
• M6: 2,079,111 km (0.115 R)
• M7: 3,435,665 km (0.069 R)
• M8: 6,083,846 km (0.113 R)
• M9: 6,387,679 km (0.057 R)
• M10: 10,867,388 km (0.109 R)
• M11: 12,549,167 km (0.089 R)
• M12: 15,143,493 km (0.067 R)
• M13: 16,712,625 km (0.051 R)
• M14: 17,233,824 km (0.119 R)
• M15: 17,765,944 km (0.094 R)
• M16: 18,465,912 km (0.026 R)
• M17: 18,703,324 km (0.115 R)
• M18: 20,087,104 km (0.06 R)
• M19: 21,276,856 km (0.041 R)
• M20: 21,712,934 km (0.097 R)
• M21: 23,148,625 km (0.05 R)
• M22: 23,796,234 km (0.05 R)
• M23: 26,207,602 km (0.113 R)
• M24: 26,507,546 km (0.111 R)
• M25: 27,833,731 km (0.078 R)
• M26: 40,338,318 km (0.053 R)
• M27: 41,545,872 km (0.081 R)
• M28: 47,205,608 km (0.091 R)
• M29: 48,696,800 km (0.096 R)
• M30: 51,772,831 km (0.094 R)
• M31: 53,358,269 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.1

Radius: 3.9

Gravity: 28.47 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 7.02 AU - 8.52 AU

Year: 15224 Days

Day: 22.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,445,157 km

• M1: 48,470 km (0.089 R)
• M2: 255,064 km (0.053 R)
• M3: 537,954 km (0.037 R)
• M4: 961,166 km (0.102 R)
• M5: 1,321,099 km (0.117 R)
• M6: 2,282,265 km (0.106 R)
• M7: 3,104,605 km (0.097 R)
• M8: 4,557,050 km (0.091 R)
• M9: 5,412,601 km (0.101 R)
• M10: 6,646,185 km (0.047 R)
• M11: 6,848,142 km (0.047 R)
• M12: 9,601,491 km (0.114 R)
• M13: 15,758,490 km (0.043 R)
• M14: 20,099,222 km (0.066 R)
• M15: 24,116,374 km (0.115 R)
• M16: 28,531,007 km (0.045 R)
• M17: 32,174,612 km (0.077 R)
• M18: 35,011,138 km (0.076 R)
• M19: 42,130,949 km (0.094 R)
• M20: 48,175,152 km (0.042 R)
• M21: 52,510,349 km (0.114 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 10,863 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit