🌌 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: 39.1

Radius: 13.1

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.52 AU - 0.56 AU

Year: 274 Days

Day: 15 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 55,064,277 km

• M1: 162,912 km (0.025 R)
• M2: 604,226 km (0.113 R)
• M3: 1,489,995 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.2

Radius: 13.6

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.49 AU - 0.71 AU

Year: 321 Days

Day: 7 Hours

Environment

Temp: -146 °C

Axial Tilt: 160.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,064,277 km

• M1: 169,195 km (0.111 R)
• M2: 707,299 km (0.116 R)
• M3: 1,386,323 km (0.1 R)
• M4: 1,868,328 km (0.046 R)
• M5: 2,307,248 km (0.084 R)
• M6: 2,949,920 km (0.045 R)
• M7: 3,409,335 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.5

Radius: 9.7

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.25 AU - 1.45 AU

Year: 1083 Days

Day: 8.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,064,277 km

• M1: 120,576 km (0.1 R)
• M2: 558,150 km (0.108 R)
• M3: 985,700 km (0.083 R)
• M4: 1,418,786 km (0.061 R)
• M5: 1,744,910 km (0.102 R)
• M6: 2,048,144 km (0.114 R)
• M7: 2,600,609 km (0.119 R)
• M8: 3,150,980 km (0.118 R)
• M9: 4,290,916 km (0.116 R)
• M10: 5,336,904 km (0.086 R)
• M11: 5,962,971 km (0.114 R)
• M12: 6,271,592 km (0.106 R)
• M13: 6,849,339 km (0.097 R)
• M14: 7,691,575 km (0.066 R)
• M15: 8,031,311 km (0.098 R)
• M16: 9,256,368 km (0.075 R)
• M17: 9,701,272 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496

Radius: 10.2

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.21 AU - 1.53 AU

Year: 1107 Days

Day: 9.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,064,277 km

• M1: 126,859 km (0.072 R)
• M2: 546,780 km (0.088 R)
• M3: 900,280 km (0.11 R)
• M4: 1,223,711 km (0.097 R)
• M5: 1,560,605 km (0.097 R)
• M6: 2,148,973 km (0.075 R)
• M7: 2,553,037 km (0.072 R)
• M8: 3,059,875 km (0.08 R)
• M9: 3,472,466 km (0.033 R)
• M10: 4,000,546 km (0.047 R)
• M11: 4,598,938 km (0.092 R)
• M12: 5,667,366 km (0.118 R)
• M13: 9,516,968 km (0.069 R)
• M14: 9,863,885 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.5

Radius: 14.6

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.66 AU - 1.74 AU

Year: 1530 Days

Day: 11.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,064,277 km

• M1: 181,612 km (0.115 R)
• M2: 647,759 km (0.066 R)
• M3: 1,253,780 km (0.036 R)
• M4: 1,740,422 km (0.071 R)
• M5: 2,214,796 km (0.099 R)
• M6: 2,999,138 km (0.101 R)
• M7: 3,825,517 km (0.071 R)
• M8: 4,284,184 km (0.04 R)
• M9: 4,960,366 km (0.077 R)
• M10: 5,507,894 km (0.115 R)
• M11: 8,789,025 km (0.108 R)
• M12: 9,279,107 km (0.095 R)
• M13: 9,754,978 km (0.045 R)
• M14: 11,389,035 km (0.098 R)
• M15: 12,962,955 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.3

Radius: 14.3

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.47 AU - 1.97 AU

Year: 1557 Days

Day: 13.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,064,277 km

• M1: 177,872 km (0.03 R)
• M2: 1,058,555 km (0.078 R)
• M3: 1,539,661 km (0.113 R)
• M4: 2,308,594 km (0.116 R)
• M5: 2,789,851 km (0.109 R)
• M6: 3,558,784 km (0.116 R)
• M7: 4,171,088 km (0.087 R)
• M8: 4,973,830 km (0.102 R)
• M9: 5,630,864 km (0.074 R)
• M10: 6,273,536 km (0.1 R)
• M11: 8,618,184 km (0.118 R)
• M12: 10,218,582 km (0.103 R)
• M13: 10,897,457 km (0.116 R)
• M14: 12,383,712 km (0.065 R)
• M15: 13,155,936 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985

Radius: 14.1

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.97 AU - 2.09 AU

Year: 1996 Days

Day: 7 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,064,277 km

• M1: 175,478 km (0.091 R)
• M2: 967,001 km (0.117 R)
• M3: 1,418,637 km (0.065 R)
• M4: 2,436,201 km (0.075 R)
• M5: 3,321,671 km (0.117 R)
• M6: 3,934,873 km (0.077 R)
• M7: 5,905,825 km (0.05 R)
• M8: 6,671,766 km (0.087 R)
• M9: 7,805,568 km (0.094 R)
• M10: 8,532,315 km (0.057 R)
• M11: 9,166,310 km (0.079 R)
• M12: 9,939,582 km (0.086 R)
• M13: 10,566,696 km (0.048 R)
• M14: 12,522,838 km (0.11 R)
• M15: 13,475,477 km (0.114 R)
• M16: 14,198,334 km (0.076 R)
• M17: 15,090,236 km (0.085 R)
• M18: 16,574,098 km (0.097 R)
• M19: 17,141,822 km (0.11 R)
• M20: 18,261,861 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.5

Radius: 8.6

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.88 AU - 2.56 AU

Year: 2283 Days

Day: 9.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,064,277 km

• M1: 116,088 km (0.1 R)
• M2: 757,115 km (0.059 R)
• M3: 1,191,248 km (0.099 R)
• M4: 1,558,062 km (0.114 R)
• M5: 1,828,834 km (0.111 R)
• M6: 2,155,855 km (0.084 R)
• M7: 2,620,057 km (0.029 R)
• M8: 3,149,334 km (0.12 R)
• M9: 3,482,788 km (0.101 R)
• M10: 3,876,829 km (0.057 R)
• M11: 4,280,294 km (0.101 R)
• M12: 4,585,624 km (0.118 R)
• M13: 6,336,667 km (0.051 R)
• M14: 6,897,808 km (0.074 R)
• M15: 7,176,359 km (0.076 R)
• M16: 7,638,018 km (0.105 R)
• M17: 8,304,776 km (0.097 R)
• M18: 9,208,946 km (0.102 R)
• M19: 10,909,275 km (0.045 R)
• M20: 11,211,762 km (0.056 R)
• M21: 11,481,038 km (0.119 R)
• M22: 12,767,430 km (0.119 R)
• M23: 13,575,408 km (0.045 R)
• M24: 14,371,718 km (0.069 R)
• M25: 15,105,495 km (0.043 R)
• M26: 16,008,917 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.7

Radius: 4.5

Gravity: 24.38 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.78 AU - 6.48 AU

Year: 9221 Days

Day: 23.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,064,277 km

• M1: 56,997 km (0.108 R)
• M2: 204,500 km (0.11 R)
• M3: 421,866 km (0.065 R)
• M4: 1,278,912 km (0.066 R)
• M5: 2,858,067 km (0.12 R)
• M6: 3,614,733 km (0.079 R)
• M7: 3,785,724 km (0.08 R)
• M8: 3,936,518 km (0.094 R)
• M9: 4,091,352 km (0.075 R)
• M10: 4,957,374 km (0.117 R)
• M11: 9,559,454 km (0.085 R)
• M12: 11,170,174 km (0.107 R)
• M13: 12,394,184 km (0.111 R)
• M14: 13,528,883 km (0.091 R)
• M15: 13,822,993 km (0.118 R)
• M16: 14,979,833 km (0.115 R)
• M17: 15,294,737 km (0.106 R)
• M18: 17,484,401 km (0.034 R)
• M19: 18,187,062 km (0.108 R)
• M20: 20,407,842 km (0.109 R)
• M21: 24,499,793 km (0.07 R)
• M22: 29,794,361 km (0.046 R)
• M23: 35,579,460 km (0.083 R)
• M24: 35,802,959 km (0.057 R)

Asteroid Belt

Center: 6.05 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.5

Radius: 4.3

Gravity: 43.73 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.01 AU - 7.91 AU

Year: 11333 Days

Day: 15.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 55,064,277 km

• M1: 53,706 km (0.046 R)
• M2: 188,793 km (0.044 R)
• M3: 390,600 km (0.101 R)
• M4: 795,113 km (0.064 R)
• M5: 2,084,796 km (0.109 R)
• M6: 2,292,887 km (0.112 R)
• M7: 2,514,591 km (0.081 R)
• M8: 3,680,856 km (0.089 R)
• M9: 4,644,266 km (0.067 R)
• M10: 5,133,451 km (0.102 R)
• M11: 5,338,400 km (0.08 R)
• M12: 6,099,255 km (0.088 R)
• M13: 7,350,641 km (0.108 R)
• M14: 8,909,600 km (0.102 R)
• M15: 10,402,737 km (0.092 R)
• M16: 10,621,000 km (0.106 R)
• M17: 12,724,944 km (0.113 R)
• M18: 12,974,623 km (0.095 R)
• M19: 15,091,134 km (0.098 R)
• M20: 16,971,878 km (0.083 R)
• M21: 21,453,681 km (0.093 R)
• M22: 22,254,927 km (0.098 R)
• M23: 24,972,522 km (0.089 R)
• M24: 25,363,870 km (0.11 R)
• M25: 27,590,036 km (0.09 R)
• M26: 29,505,487 km (0.084 R)
• M27: 32,310,447 km (0.099 R)
• M28: 34,921,529 km (0.063 R)
• M29: 35,904,835 km (0.085 R)
• M30: 36,278,232 km (0.049 R)
• M31: 36,906,393 km (0.098 R)
• M32: 39,491,743 km (0.051 R)
• M33: 40,022,816 km (0.103 R)
• M34: 44,016,929 km (0.085 R)
• M35: 45,744,635 km (0.108 R)
• M36: 47,816,715 km (0.059 R)
• M37: 50,727,591 km (0.102 R)
• M38: 52,146,826 km (0.088 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: 225 - 17,068 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit