🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.5

Radius: 13

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.8 AU - 1.04 AU

Year: 588 Days

Day: 6.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,816,894 km

• M1: 161,715 km (0.092 R)
• M2: 720,912 km (0.103 R)
• M3: 1,218,026 km (0.054 R)
• M4: 1,728,454 km (0.081 R)
• M5: 2,156,005 km (0.112 R)
• M6: 2,707,871 km (0.065 R)
• M7: 3,267,217 km (0.066 R)
• M8: 4,391,745 km (0.092 R)
• M9: 4,905,015 km (0.071 R)
• M10: 5,669,759 km (0.084 R)
• M11: 6,591,133 km (0.066 R)
• M12: 7,056,980 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.7

Radius: 14.8

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.79 AU - 1.29 AU

Year: 707 Days

Day: 11.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,816,894 km

• M1: 186,100 km (0.096 R)
• M2: 678,875 km (0.096 R)
• M3: 1,646,923 km (0.104 R)
• M4: 2,561,714 km (0.094 R)
• M5: 3,033,396 km (0.08 R)
• M6: 4,050,362 km (0.075 R)
• M7: 4,511,124 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.4

Radius: 11

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.95 AU - 1.57 AU

Year: 943 Days

Day: 5.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,816,894 km

• M1: 137,331 km (0.066 R)
• M2: 1,180,926 km (0.1 R)
• M3: 1,589,029 km (0.079 R)
• M4: 2,304,705 km (0.074 R)
• M5: 2,804,511 km (0.096 R)
• M6: 3,487,874 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.3

Radius: 12.3

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.69 AU - 3.95 AU

Year: 4979 Days

Day: 7.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,816,894 km

• M1: 153,039 km (0.086 R)
• M2: 729,888 km (0.118 R)
• M3: 1,119,590 km (0.045 R)
• M4: 1,796,521 km (0.055 R)
• M5: 2,356,615 km (0.096 R)
• M6: 2,823,660 km (0.081 R)
• M7: 3,993,665 km (0.11 R)
• M8: 4,741,505 km (0.095 R)
• M9: 6,036,274 km (0.115 R)
• M10: 9,022,547 km (0.053 R)
• M11: 11,186,929 km (0.08 R)
• M12: 11,815,090 km (0.102 R)
• M13: 14,508,899 km (0.116 R)
• M14: 17,588,670 km (0.037 R)
• M15: 19,110,679 km (0.079 R)
• M16: 20,220,097 km (0.059 R)
• M17: 22,415,446 km (0.084 R)
• M18: 24,043,669 km (0.093 R)
• M19: 26,420,181 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.3

Radius: 8.4

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.39 AU - 5.13 AU

Year: 5863 Days

Day: 5.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,816,894 km

• M1: 104,569 km (0.083 R)
• M2: 508,034 km (0.041 R)
• M3: 846,574 km (0.085 R)
• M4: 1,347,278 km (0.097 R)
• M5: 3,694,170 km (0.104 R)
• M6: 4,234,368 km (0.101 R)
• M7: 5,410,656 km (0.077 R)
• M8: 6,341,304 km (0.119 R)
• M9: 9,458,625 km (0.105 R)
• M10: 12,114,884 km (0.111 R)
• M11: 13,027,282 km (0.052 R)
• M12: 15,725,579 km (0.093 R)
• M13: 18,495,682 km (0.089 R)
• M14: 19,559,174 km (0.076 R)
• M15: 23,973,807 km (0.096 R)
• M16: 26,367,522 km (0.05 R)
• M17: 26,989,999 km (0.1 R)
• M18: 34,815,763 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.5

Radius: 13.8

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.7 AU - 5.14 AU

Year: 7277 Days

Day: 13.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,816,894 km

• M1: 171,589 km (0.075 R)
• M2: 619,784 km (0.094 R)
• M3: 1,349,822 km (0.073 R)
• M4: 1,818,213 km (0.113 R)
• M5: 2,292,139 km (0.094 R)
• M6: 3,292,350 km (0.062 R)
• M7: 3,831,052 km (0.05 R)
• M8: 4,622,125 km (0.05 R)
• M9: 6,566,299 km (0.111 R)
• M10: 9,007,437 km (0.068 R)
• M11: 10,905,236 km (0.085 R)
• M12: 15,865,901 km (0.064 R)
• M13: 16,727,735 km (0.113 R)
• M14: 17,690,547 km (0.096 R)
• M15: 18,545,050 km (0.032 R)
• M16: 20,336,335 km (0.088 R)
• M17: 26,954,993 km (0.116 R)
• M18: 29,249,525 km (0.032 R)
• M19: 31,361,698 km (0.071 R)
• M20: 32,087,846 km (0.079 R)
• M21: 32,613,383 km (0.091 R)
• M22: 33,144,605 km (0.104 R)
• M23: 34,994,084 km (0.046 R)
• M24: 36,911,629 km (0.116 R)
• M25: 37,837,789 km (0.099 R)
• M26: 39,017,219 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.8

Radius: 7.8

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.92 AU - 5.94 AU

Year: 9630 Days

Day: 16.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,816,894 km

• M1: 96,939 km (0.063 R)
• M2: 501,901 km (0.099 R)
• M3: 982,559 km (0.096 R)
• M4: 1,275,621 km (0.087 R)
• M5: 1,543,850 km (0.079 R)
• M6: 2,933,465 km (0.109 R)
• M7: 10,715,995 km (0.079 R)
• M8: 15,200,340 km (0.036 R)
• M9: 15,861,713 km (0.116 R)
• M10: 16,889,600 km (0.072 R)
• M11: 19,691,269 km (0.085 R)
• M12: 20,081,569 km (0.058 R)
• M13: 22,194,938 km (0.104 R)
• M14: 23,566,751 km (0.11 R)
• M15: 25,359,831 km (0.079 R)
• M16: 32,676,812 km (0.083 R)
• M17: 37,824,326 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.5

Radius: 3.8

Gravity: 52.04 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.26 AU - 9.44 AU

Year: 14667 Days

Day: 19.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 63,816,894 km

• M1: 48,470 km (0.112 R)
• M2: 366,066 km (0.09 R)
• M3: 689,945 km (0.107 R)
• M4: 833,260 km (0.058 R)
• M5: 1,570,628 km (0.065 R)
• M6: 1,734,887 km (0.094 R)
• M7: 2,156,453 km (0.118 R)
• M8: 2,338,963 km (0.115 R)
• M9: 3,047,309 km (0.098 R)
• M10: 3,199,450 km (0.04 R)
• M11: 3,410,083 km (0.117 R)
• M12: 4,097,934 km (0.114 R)
• M13: 6,458,888 km (0.039 R)
• M14: 7,055,634 km (0.087 R)
• M15: 7,367,396 km (0.111 R)
• M16: 9,922,228 km (0.119 R)
• M17: 12,748,731 km (0.09 R)
• M18: 16,685,847 km (0.091 R)
• M19: 19,226,767 km (0.116 R)
• M20: 22,108,321 km (0.115 R)
• M21: 22,967,761 km (0.054 R)
• M22: 26,950,056 km (0.101 R)
• M23: 28,151,178 km (0.09 R)
• M24: 29,961,462 km (0.04 R)
• M25: 30,425,813 km (0.107 R)
• M26: 31,488,108 km (0.092 R)
• M27: 32,088,893 km (0.062 R)
• M28: 40,608,342 km (0.071 R)
• M29: 46,535,260 km (0.081 R)
• M30: 50,518,004 km (0.104 R)
• M31: 53,522,079 km (0.114 R)
• M32: 55,067,724 km (0.086 R)
• M33: 56,466,614 km (0.111 R)
• M34: 57,352,682 km (0.081 R)
• M35: 58,608,855 km (0.108 R)
• M36: 60,990,154 km (0.081 R)
• M37: 62,298,687 km (0.044 R)
• M38: 63,625,770 km (0.049 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 15,705 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit