🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.4

Radius: 14.2

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.51 AU - 0.79 AU

Year: 355 Days

Day: 10.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,108,751 km

• M1: 176,675 km (0.055 R)
• M2: 701,913 km (0.106 R)
• M3: 1,418,188 km (0.083 R)
• M4: 1,890,019 km (0.119 R)
• M5: 2,647,284 km (0.059 R)
• M6: 3,125,997 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.3

Radius: 13.6

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.65 AU - 0.93 AU

Year: 476 Days

Day: 12.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,108,751 km

• M1: 172,935 km (0.118 R)
• M2: 779,854 km (0.093 R)
• M3: 1,248,544 km (0.05 R)
• M4: 1,679,087 km (0.099 R)
• M5: 2,518,630 km (0.069 R)
• M6: 2,949,172 km (0.064 R)
• M7: 3,677,714 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.1

Radius: 9.5

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.62 AU - 1.02 AU

Year: 504 Days

Day: 13.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,108,751 km

• M1: 119,080 km (0.087 R)
• M2: 439,519 km (0.034 R)
• M3: 1,041,949 km (0.077 R)
• M4: 1,341,893 km (0.118 R)
• M5: 1,809,985 km (0.12 R)
• M6: 2,114,416 km (0.111 R)
• M7: 3,087,999 km (0.077 R)
• M8: 3,668,888 km (0.09 R)
• M9: 4,176,025 km (0.078 R)
• M10: 4,713,829 km (0.073 R)
• M11: 5,097,547 km (0.093 R)
• M12: 5,415,892 km (0.114 R)
• M13: 6,490,752 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520

Radius: 10.2

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.85 AU - 1.31 AU

Year: 761 Days

Day: 5 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,108,751 km

• M1: 126,859 km (0.088 R)
• M2: 502,649 km (0.114 R)
• M3: 924,066 km (0.03 R)
• M4: 1,357,152 km (0.103 R)
• M5: 2,219,733 km (0.06 R)
• M6: 2,567,249 km (0.109 R)
• M7: 3,071,543 km (0.112 R)
• M8: 4,657,879 km (0.101 R)
• M9: 5,076,155 km (0.071 R)
• M10: 5,968,955 km (0.116 R)
• M11: 6,443,031 km (0.102 R)
• M12: 7,533,898 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.7

Radius: 12.7

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.4 AU - 1.44 AU

Year: 1148 Days

Day: 13.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 52.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,108,751 km

• M1: 160,967 km (0.045 R)
• M2: 588,668 km (0.11 R)
• M3: 1,233,584 km (0.074 R)
• M4: 1,692,999 km (0.117 R)
• M5: 2,177,846 km (0.093 R)
• M6: 2,614,372 km (0.096 R)
• M7: 3,081,267 km (0.085 R)
• M8: 3,699,406 km (0.113 R)
• M9: 4,220,605 km (0.065 R)
• M10: 4,848,317 km (0.069 R)
• M11: 5,328,377 km (0.079 R)
• M12: 6,040,313 km (0.056 R)
• M13: 6,621,202 km (0.075 R)
• M14: 7,654,474 km (0.065 R)
• M15: 8,223,993 km (0.063 R)
• M16: 9,235,873 km (0.036 R)
• M17: 9,694,391 km (0.098 R)
• M18: 10,459,434 km (0.106 R)
• M19: 11,611,787 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901

Radius: 8

Gravity: 14.08 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.59 AU - 2.05 AU

Year: 1665 Days

Day: 9.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,108,751 km

• M1: 99,483 km (0.118 R)
• M2: 442,511 km (0.06 R)
• M3: 1,278,314 km (0.106 R)
• M4: 1,529,489 km (0.088 R)
• M5: 1,792,482 km (0.057 R)
• M6: 2,085,993 km (0.053 R)
• M7: 2,642,646 km (0.052 R)
• M8: 3,213,661 km (0.061 R)
• M9: 3,477,702 km (0.106 R)
• M10: 4,299,144 km (0.12 R)
• M11: 4,579,490 km (0.107 R)
• M12: 6,397,703 km (0.115 R)
• M13: 7,712,069 km (0.028 R)
• M14: 8,526,031 km (0.103 R)
• M15: 10,147,523 km (0.081 R)
• M16: 10,718,837 km (0.101 R)
• M17: 11,769,912 km (0.105 R)
• M18: 12,440,858 km (0.11 R)
• M19: 13,220,562 km (0.054 R)
• M20: 13,815,513 km (0.118 R)
• M21: 14,786,553 km (0.117 R)
• M22: 15,849,446 km (0.031 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.1

Radius: 15

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.56 AU - 2.96 AU

Year: 3110 Days

Day: 11.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,108,751 km

• M1: 186,848 km (0.114 R)
• M2: 663,467 km (0.082 R)
• M3: 1,162,375 km (0.091 R)
• M4: 3,783,181 km (0.028 R)
• M5: 5,454,039 km (0.076 R)
• M6: 6,163,133 km (0.114 R)
• M7: 6,669,522 km (0.117 R)
• M8: 8,358,631 km (0.107 R)
• M9: 12,085,563 km (0.034 R)
• M10: 13,064,232 km (0.061 R)
• M11: 13,999,369 km (0.039 R)
• M12: 17,459,717 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.4

Radius: 13.1

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.12 AU - 5.38 AU

Year: 7022 Days

Day: 7.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,108,751 km

• M1: 162,912 km (0.096 R)
• M2: 637,736 km (0.09 R)
• M3: 1,458,430 km (0.073 R)
• M4: 1,916,798 km (0.113 R)
• M5: 2,988,816 km (0.104 R)
• M6: 4,373,494 km (0.078 R)
• M7: 5,194,487 km (0.088 R)
• M8: 5,626,526 km (0.115 R)
• M9: 6,669,372 km (0.04 R)
• M10: 7,180,847 km (0.113 R)
• M11: 8,617,735 km (0.116 R)
• M12: 11,426,585 km (0.109 R)
• M13: 11,842,467 km (0.071 R)
• M14: 13,840,645 km (0.081 R)
• M15: 14,253,984 km (0.101 R)
• M16: 15,543,518 km (0.04 R)
• M17: 17,794,218 km (0.075 R)
• M18: 19,361,555 km (0.089 R)
• M19: 22,042,199 km (0.093 R)
• M20: 22,688,013 km (0.102 R)
• M21: 25,398,577 km (0.116 R)
• M22: 27,198,239 km (0.079 R)
• M23: 30,649,761 km (0.12 R)
• M24: 32,170,424 km (0.119 R)
• M25: 33,740,902 km (0.058 R)
• M26: 34,383,126 km (0.082 R)
• M27: 38,992,535 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.7

Radius: 4

Gravity: 48.98 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.57 AU - 7.05 AU

Year: 10751 Days

Day: 24.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,108,751 km

• M1: 59,540 km (0.063 R)
• M2: 234,270 km (0.12 R)
• M3: 393,442 km (0.093 R)
• M4: 522,695 km (0.069 R)
• M5: 689,197 km (0.112 R)
• M6: 1,016,817 km (0.074 R)
• M7: 1,804,599 km (0.089 R)
• M8: 2,342,104 km (0.115 R)
• M9: 2,733,751 km (0.057 R)
• M10: 4,228,683 km (0.111 R)
• M11: 4,744,197 km (0.031 R)
• M12: 4,871,355 km (0.099 R)
• M13: 5,266,593 km (0.107 R)
• M14: 6,233,594 km (0.1 R)
• M15: 6,580,511 km (0.072 R)
• M16: 7,145,841 km (0.083 R)
• M17: 9,379,637 km (0.118 R)
• M18: 12,516,106 km (0.047 R)
• M19: 14,685,125 km (0.115 R)
• M20: 15,092,331 km (0.053 R)
• M21: 16,503,936 km (0.114 R)
• M22: 17,316,552 km (0.118 R)
• M23: 18,311,079 km (0.055 R)
• M24: 18,624,486 km (0.117 R)
• M25: 19,343,005 km (0.033 R)
• M26: 21,871,059 km (0.115 R)
• M27: 22,760,418 km (0.068 R)
• M28: 23,214,149 km (0.038 R)
• M29: 24,611,094 km (0.117 R)
• M30: 29,995,121 km (0.119 R)
• M31: 33,481,649 km (0.108 R)
• M32: 38,622,879 km (0.079 R)
• M33: 38,880,038 km (0.1 R)
• M34: 46,118,032 km (0.074 R)
• M35: 50,128,302 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.4

Radius: 4.7

Gravity: 25.73 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6.78 AU - 8.2 AU

Year: 13903 Days

Day: 23.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,108,751 km

• M1: 61,784 km (0.117 R)
• M2: 240,105 km (0.095 R)
• M3: 520,451 km (0.083 R)
• M4: 882,777 km (0.075 R)
• M5: 1,066,483 km (0.062 R)
• M6: 1,236,875 km (0.045 R)
• M7: 1,744,461 km (0.094 R)
• M8: 1,947,315 km (0.117 R)
• M9: 3,109,841 km (0.049 R)
• M10: 3,949,833 km (0.06 R)
• M11: 4,211,030 km (0.104 R)
• M12: 4,833,058 km (0.102 R)
• M13: 5,877,700 km (0.102 R)
• M14: 6,027,597 km (0.1 R)
• M15: 8,030,862 km (0.071 R)
• M16: 9,282,398 km (0.105 R)
• M17: 10,167,868 km (0.104 R)
• M18: 10,825,650 km (0.095 R)
• M19: 11,570,049 km (0.086 R)
• M20: 12,225,886 km (0.084 R)
• M21: 16,616,135 km (0.099 R)
• M22: 23,422,090 km (0.097 R)
• M23: 24,955,767 km (0.081 R)
• M24: 34,359,041 km (0.11 R)
• M25: 35,834,076 km (0.064 R)
• M26: 36,335,079 km (0.082 R)
• M27: 37,095,186 km (0.077 R)
• M28: 37,995,316 km (0.076 R)
• M29: 47,359,844 km (0.08 R)
• M30: 48,724,176 km (0.102 R)
• M31: 48,877,364 km (0.062 R)
• M32: 50,740,905 km (0.106 R)
• M33: 53,298,580 km (0.106 R)
• M34: 55,773,078 km (0.081 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 14,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit