🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.9

Radius: 14.5

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.09 AU - 1.21 AU

Year: 867 Days

Day: 11.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 178.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,414,433 km

• M1: 180,265 km (0.1 R)
• M2: 901,028 km (0.046 R)
• M3: 1,394,402 km (0.063 R)
• M4: 2,579,217 km (0.088 R)
• M5: 3,353,087 km (0.08 R)
• M6: 4,151,341 km (0.102 R)
• M7: 4,655,336 km (0.082 R)
• M8: 5,826,987 km (0.061 R)
• M9: 6,356,114 km (0.118 R)
• M10: 7,581,919 km (0.099 R)
• M11: 8,440,910 km (0.105 R)
• M12: 9,013,272 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.4

Radius: 12.8

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.93 AU - 1.43 AU

Year: 901 Days

Day: 11.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,414,433 km

• M1: 159,172 km (0.103 R)
• M2: 637,586 km (0.118 R)
• M3: 1,053,169 km (0.107 R)
• M4: 1,453,643 km (0.043 R)
• M5: 2,132,368 km (0.104 R)
• M6: 2,719,839 km (0.113 R)
• M7: 3,743,687 km (0.084 R)
• M8: 4,271,169 km (0.084 R)
• M9: 5,211,391 km (0.11 R)
• M10: 5,932,154 km (0.06 R)
• M11: 6,874,770 km (0.105 R)
• M12: 7,358,570 km (0.094 R)
• M13: 9,442,468 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.4

Radius: 13.5

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.86 AU - 2.52 AU

Year: 2278 Days

Day: 14.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,414,433 km

• M1: 192,383 km (0.037 R)
• M2: 764,146 km (0.08 R)
• M3: 1,226,553 km (0.111 R)
• M4: 1,801,906 km (0.101 R)
• M5: 2,305,154 km (0.031 R)
• M6: 3,030,404 km (0.119 R)
• M7: 3,564,768 km (0.097 R)
• M8: 4,001,444 km (0.119 R)
• M9: 4,625,417 km (0.072 R)
• M10: 5,708,056 km (0.116 R)
• M11: 6,639,901 km (0.115 R)
• M12: 7,069,397 km (0.088 R)
• M13: 8,536,952 km (0.094 R)
• M14: 9,646,968 km (0.072 R)
• M15: 10,889,977 km (0.075 R)
• M16: 11,776,344 km (0.097 R)
• M17: 12,450,881 km (0.115 R)
• M18: 14,109,323 km (0.094 R)
• M19: 16,735,663 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.6

Radius: 13.2

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.97 AU - 2.67 AU

Year: 2484 Days

Day: 15 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,414,433 km

• M1: 164,109 km (0.103 R)
• M2: 809,474 km (0.104 R)
• M3: 2,214,048 km (0.118 R)
• M4: 3,248,817 km (0.117 R)
• M5: 3,817,887 km (0.08 R)
• M6: 4,694,680 km (0.112 R)
• M7: 5,574,765 km (0.071 R)
• M8: 6,014,732 km (0.117 R)
• M9: 6,964,678 km (0.072 R)
• M10: 8,306,721 km (0.109 R)
• M11: 9,233,480 km (0.069 R)
• M12: 11,705,435 km (0.103 R)
• M13: 12,473,620 km (0.116 R)
• M14: 12,914,784 km (0.095 R)
• M15: 14,349,129 km (0.114 R)
• M16: 14,882,744 km (0.065 R)
• M17: 15,990,068 km (0.117 R)
• M18: 16,882,718 km (0.113 R)
• M19: 17,697,578 km (0.079 R)
• M20: 19,641,901 km (0.119 R)
• M21: 20,179,706 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.8

Radius: 12.8

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.45 AU - 3.95 AU

Year: 4024 Days

Day: 9.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,414,433 km

• M1: 159,172 km (0.055 R)
• M2: 611,855 km (0.11 R)
• M3: 1,207,704 km (0.064 R)
• M4: 1,652,159 km (0.092 R)
• M5: 2,053,979 km (0.032 R)
• M6: 2,902,348 km (0.119 R)
• M7: 4,829,767 km (0.035 R)
• M8: 5,369,068 km (0.086 R)
• M9: 7,103,206 km (0.067 R)
• M10: 9,108,266 km (0.035 R)
• M11: 9,614,057 km (0.114 R)
• M12: 11,918,612 km (0.097 R)
• M13: 14,465,665 km (0.095 R)
• M14: 19,188,320 km (0.045 R)
• M15: 19,633,823 km (0.113 R)
• M16: 22,594,215 km (0.086 R)
• M17: 24,254,452 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.3

Radius: 4.5

Gravity: 47.22 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.31 AU - 6.33 AU

Year: 11168 Days

Day: 22.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 126.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,414,433 km

• M1: 62,682 km (0.067 R)
• M2: 310,116 km (0.099 R)
• M3: 574,456 km (0.052 R)
• M4: 756,965 km (0.106 R)
• M5: 1,241,064 km (0.096 R)
• M6: 1,997,281 km (0.053 R)
• M7: 2,811,542 km (0.096 R)
• M8: 3,660,660 km (0.117 R)
• M9: 4,084,919 km (0.088 R)
• M10: 4,263,539 km (0.106 R)
• M11: 4,798,053 km (0.112 R)
• M12: 5,270,782 km (0.096 R)
• M13: 6,833,780 km (0.069 R)
• M14: 7,475,555 km (0.088 R)
• M15: 8,779,301 km (0.072 R)
• M16: 9,330,718 km (0.119 R)
• M17: 9,588,775 km (0.114 R)
• M18: 10,951,163 km (0.053 R)
• M19: 14,188,610 km (0.057 R)
• M20: 16,694,225 km (0.096 R)
• M21: 18,492,092 km (0.105 R)
• M22: 24,555,443 km (0.1 R)
• M23: 24,751,417 km (0.079 R)
• M24: 25,545,781 km (0.054 R)
• M25: 27,606,043 km (0.087 R)
• M26: 28,785,024 km (0.053 R)
• M27: 29,442,058 km (0.028 R)
• M28: 30,786,195 km (0.109 R)
• M29: 32,405,143 km (0.107 R)
• M30: 34,324,035 km (0.091 R)
• M31: 43,756,480 km (0.118 R)
• M32: 44,189,117 km (0.072 R)
• M33: 50,076,391 km (0.086 R)
• M34: 51,345,280 km (0.116 R)
• M35: 51,505,500 km (0.107 R)
• M36: 56,294,876 km (0.046 R)
• M37: 56,977,939 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779

Radius: 8

Gravity: 12.17 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 7.95 AU - 8.37 AU

Year: 16385 Days

Day: 18.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,414,433 km

• M1: 99,632 km (0.054 R)
• M2: 405,709 km (0.072 R)
• M3: 715,377 km (0.086 R)
• M4: 1,334,114 km (0.107 R)
• M5: 1,846,038 km (0.071 R)
• M6: 2,374,866 km (0.061 R)
• M7: 3,025,916 km (0.094 R)
• M8: 4,780,849 km (0.086 R)
• M9: 5,098,295 km (0.037 R)
• M10: 5,355,005 km (0.106 R)
• M11: 6,054,824 km (0.076 R)
• M12: 6,384,837 km (0.064 R)
• M13: 7,778,640 km (0.114 R)
• M14: 9,473,884 km (0.108 R)
• M15: 9,862,838 km (0.098 R)
• M16: 12,293,654 km (0.1 R)
• M17: 14,579,060 km (0.077 R)
• M18: 15,628,938 km (0.084 R)
• M19: 17,297,104 km (0.095 R)
• M20: 23,409,524 km (0.111 R)
• M21: 25,587,070 km (0.092 R)
• M22: 31,186,070 km (0.059 R)
• M23: 32,797,987 km (0.113 R)
• M24: 33,304,974 km (0.083 R)
• M25: 34,075,253 km (0.076 R)
• M26: 35,385,132 km (0.104 R)
• M27: 35,784,559 km (0.113 R)
• M28: 43,804,650 km (0.038 R)
• M29: 44,729,015 km (0.111 R)
• M30: 49,215,455 km (0.107 R)
• M31: 56,675,303 km (0.072 R)
• M32: 57,222,083 km (0.101 R)
• M33: 68,088,274 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.5

Radius: 6.3

Gravity: 20.4 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 7.45 AU - 11.31 AU

Year: 20194 Days

Day: 18.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,414,433 km

• M1: 78,539 km (0.107 R)
• M2: 725,400 km (0.092 R)
• M3: 1,088,325 km (0.068 R)
• M4: 1,583,643 km (0.079 R)
• M5: 1,950,756 km (0.085 R)
• M6: 2,932,567 km (0.112 R)
• M7: 3,516,597 km (0.119 R)
• M8: 3,820,730 km (0.074 R)
• M9: 4,275,806 km (0.046 R)
• M10: 6,464,423 km (0.033 R)
• M11: 7,498,144 km (0.115 R)
• M12: 7,747,674 km (0.078 R)
• M13: 9,023,444 km (0.107 R)
• M14: 12,533,758 km (0.105 R)
• M15: 13,316,454 km (0.118 R)
• M16: 13,905,870 km (0.044 R)
• M17: 14,131,314 km (0.06 R)
• M18: 14,359,152 km (0.116 R)
• M19: 17,202,259 km (0.109 R)
• M20: 17,812,768 km (0.105 R)
• M21: 18,709,757 km (0.087 R)
• M22: 20,207,082 km (0.109 R)
• M23: 20,690,881 km (0.081 R)
• M24: 22,600,199 km (0.098 R)
• M25: 23,438,097 km (0.12 R)
• M26: 25,623,273 km (0.079 R)
• M27: 29,273,012 km (0.083 R)
• M28: 41,026,917 km (0.111 R)
• M29: 58,846,566 km (0.068 R)
• M30: 61,837,626 km (0.094 R)
• M31: 69,645,588 km (0.065 R)
• M32: 70,527,168 km (0.105 R)
• M33: 76,205,903 km (0.097 R)
• M34: 76,439,126 km (0.155 R)
• M35: 78,560,125 km (0.105 R)
• M36: 79,755,262 km (0.107 R)
• M37: 79,995,816 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.1

Radius: 6.9

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 9.63 AU - 11.17 AU

Year: 23575 Days

Day: 21.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,414,433 km

• M1: 99,333 km (0.079 R)
• M2: 777,011 km (0.081 R)
• M3: 1,326,335 km (0.065 R)
• M4: 1,735,186 km (0.051 R)
• M5: 3,840,327 km (0.119 R)
• M6: 5,181,023 km (0.113 R)
• M7: 6,034,629 km (0.08 R)
• M8: 10,798,872 km (0.044 R)
• M9: 12,628,155 km (0.117 R)
• M10: 14,442,926 km (0.111 R)
• M11: 16,196,213 km (0.099 R)
• M12: 20,119,418 km (0.109 R)
• M13: 22,205,859 km (0.069 R)
• M14: 23,739,686 km (0.079 R)
• M15: 25,138,576 km (0.03 R)
• M16: 29,211,228 km (0.076 R)
• M17: 38,228,389 km (0.075 R)
• M18: 42,851,263 km (0.086 R)
• M19: 46,900,129 km (0.068 R)
• M20: 50,706,946 km (0.072 R)
• M21: 56,620,251 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 18,832 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit