🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.8

Radius: 12.2

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.7 AU - 0.76 AU

Year: 397 Days

Day: 12.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,700,888 km

• M1: 152,291 km (0.068 R)
• M2: 541,993 km (0.113 R)
• M3: 1,756,279 km (0.12 R)
• M4: 2,165,429 km (0.045 R)
• M5: 2,622,899 km (0.12 R)
• M6: 3,126,446 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.6

Radius: 9.8

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.34 AU - 1.44 AU

Year: 1042 Days

Day: 13.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,700,888 km

• M1: 121,922 km (0.08 R)
• M2: 476,619 km (0.113 R)
• M3: 810,671 km (0.109 R)
• M4: 1,197,980 km (0.096 R)
• M5: 1,548,936 km (0.091 R)
• M6: 2,030,641 km (0.104 R)
• M7: 2,359,158 km (0.097 R)
• M8: 2,852,831 km (0.08 R)
• M9: 3,581,074 km (0.092 R)
• M10: 4,322,481 km (0.094 R)
• M11: 5,507,296 km (0.054 R)
• M12: 6,333,375 km (0.114 R)
• M13: 7,140,606 km (0.046 R)
• M14: 8,230,576 km (0.118 R)
• M15: 10,640,298 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.9

Radius: 14.6

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.31 AU - 1.97 AU

Year: 1335 Days

Day: 10 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,700,888 km

• M1: 181,761 km (0.072 R)
• M2: 854,353 km (0.096 R)
• M3: 1,503,907 km (0.072 R)
• M4: 2,177,247 km (0.097 R)
• M5: 2,751,254 km (0.113 R)
• M6: 3,690,579 km (0.07 R)
• M7: 4,405,059 km (0.078 R)
• M8: 5,292,324 km (0.096 R)
• M9: 6,388,727 km (0.111 R)
• M10: 9,360,189 km (0.114 R)
• M11: 10,894,166 km (0.104 R)
• M12: 12,295,898 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.8

Radius: 8.2

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.18 AU - 3.6 AU

Year: 3124 Days

Day: 10.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,700,888 km

• M1: 102,026 km (0.117 R)
• M2: 430,393 km (0.054 R)
• M3: 692,937 km (0.079 R)
• M4: 1,076,057 km (0.043 R)
• M5: 1,396,347 km (0.107 R)
• M6: 1,721,423 km (0.116 R)
• M7: 2,150,619 km (0.097 R)
• M8: 4,392,193 km (0.084 R)
• M9: 4,830,066 km (0.12 R)
• M10: 5,502,210 km (0.07 R)
• M11: 6,406,678 km (0.114 R)
• M12: 6,849,039 km (0.067 R)
• M13: 7,861,069 km (0.077 R)
• M14: 9,115,297 km (0.119 R)
• M15: 13,672,647 km (0.047 R)
• M16: 14,109,772 km (0.096 R)
• M17: 15,321,365 km (0.06 R)
• M18: 16,437,066 km (0.052 R)
• M19: 17,210,487 km (0.116 R)
• M20: 17,492,479 km (0.101 R)
• M21: 21,121,723 km (0.089 R)
• M22: 21,510,079 km (0.092 R)
• M23: 21,837,549 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.6

Radius: 8.2

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.39 AU - 3.89 AU

Year: 4416 Days

Day: 13.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,700,888 km

• M1: 102,175 km (0.115 R)
• M2: 385,663 km (0.079 R)
• M3: 802,443 km (0.102 R)
• M4: 1,135,597 km (0.042 R)
• M5: 1,469,949 km (0.062 R)
• M6: 2,004,462 km (0.116 R)
• M7: 2,923,890 km (0.112 R)
• M8: 3,298,932 km (0.089 R)
• M9: 4,744,048 km (0.051 R)
• M10: 5,051,172 km (0.113 R)
• M11: 5,371,461 km (0.039 R)
• M12: 6,538,624 km (0.08 R)
• M13: 6,855,173 km (0.101 R)
• M14: 7,622,161 km (0.075 R)
• M15: 8,897,333 km (0.082 R)
• M16: 10,694,901 km (0.073 R)
• M17: 11,864,308 km (0.053 R)
• M18: 14,614,964 km (0.117 R)
• M19: 16,281,634 km (0.072 R)
• M20: 17,101,131 km (0.104 R)
• M21: 17,825,185 km (0.053 R)
• M22: 19,077,319 km (0.116 R)
• M23: 19,921,948 km (0.077 R)
• M24: 20,723,643 km (0.094 R)
• M25: 22,177,884 km (0.097 R)
• M26: 24,371,737 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.3

Radius: 11.8

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.01 AU - 5.49 AU

Year: 7648 Days

Day: 11.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,700,888 km

• M1: 150,047 km (0.117 R)
• M2: 542,143 km (0.083 R)
• M3: 1,939,387 km (0.083 R)
• M4: 2,402,691 km (0.077 R)
• M5: 3,112,234 km (0.091 R)
• M6: 3,712,421 km (0.088 R)
• M7: 4,168,844 km (0.111 R)
• M8: 5,581,497 km (0.091 R)
• M9: 6,239,578 km (0.07 R)
• M10: 6,826,899 km (0.091 R)
• M11: 7,776,845 km (0.107 R)
• M12: 8,387,953 km (0.102 R)
• M13: 11,935,965 km (0.104 R)
• M14: 14,437,691 km (0.096 R)
• M15: 15,519,283 km (0.077 R)
• M16: 21,751,979 km (0.098 R)
• M17: 22,353,363 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.9

Radius: 11.1

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.83 AU - 6.39 AU

Year: 8448 Days

Day: 11.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,700,888 km

• M1: 138,378 km (0.093 R)
• M2: 553,213 km (0.116 R)
• M3: 1,258,567 km (0.069 R)
• M4: 1,656,198 km (0.096 R)
• M5: 2,367,536 km (0.11 R)
• M6: 2,794,189 km (0.072 R)
• M7: 3,932,928 km (0.119 R)
• M8: 5,586,732 km (0.114 R)
• M9: 6,064,249 km (0.061 R)
• M10: 7,101,411 km (0.041 R)
• M11: 8,038,642 km (0.053 R)
• M12: 9,524,896 km (0.077 R)
• M13: 10,612,623 km (0.108 R)
• M14: 11,028,056 km (0.113 R)
• M15: 15,272,147 km (0.118 R)
• M16: 15,802,322 km (0.087 R)
• M17: 20,020,982 km (0.109 R)
• M18: 20,817,292 km (0.079 R)
• M19: 21,717,422 km (0.105 R)
• M20: 22,814,573 km (0.114 R)
• M21: 24,936,319 km (0.083 R)
• M22: 30,082,337 km (0.066 R)
• M23: 31,338,510 km (0.077 R)
• M24: 33,398,622 km (0.104 R)
• M25: 36,362,006 km (0.115 R)
• M26: 36,714,758 km (0.104 R)
• M27: 38,391,601 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.3

Radius: 3.7

Gravity: 72.12 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.73 AU - 6.93 AU

Year: 11349 Days

Day: 18.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 57,700,888 km

• M1: 46,076 km (0.051 R)
• M2: 197,320 km (0.101 R)
• M3: 345,571 km (0.118 R)
• M4: 672,742 km (0.119 R)
• M5: 1,243,757 km (0.067 R)
• M6: 1,526,646 km (0.096 R)
• M7: 1,956,890 km (0.065 R)
• M8: 2,259,077 km (0.075 R)
• M9: 3,353,087 km (0.07 R)
• M10: 4,014,608 km (0.069 R)
• M11: 4,758,858 km (0.083 R)
• M12: 5,094,555 km (0.066 R)
• M13: 5,338,849 km (0.077 R)
• M14: 6,157,598 km (0.096 R)
• M15: 6,720,086 km (0.054 R)
• M16: 7,316,233 km (0.083 R)
• M17: 8,466,940 km (0.102 R)
• M18: 11,354,030 km (0.098 R)
• M19: 12,013,158 km (0.091 R)
• M20: 14,007,447 km (0.1 R)
• M21: 17,201,212 km (0.068 R)
• M22: 18,149,662 km (0.087 R)
• M23: 18,718,882 km (0.094 R)
• M24: 18,883,590 km (0.112 R)
• M25: 22,571,028 km (0.11 R)
• M26: 22,757,726 km (0.117 R)
• M27: 24,979,104 km (0.097 R)
• M28: 29,847,019 km (0.106 R)
• M29: 30,411,452 km (0.086 R)
• M30: 31,329,235 km (0.097 R)
• M31: 32,383,601 km (0.105 R)
• M32: 36,452,214 km (0.074 R)
• M33: 39,887,879 km (0.105 R)
• M34: 41,125,651 km (0.038 R)
• M35: 42,958,525 km (0.12 R)
• M36: 43,389,067 km (0.047 R)
• M37: 44,845,103 km (0.081 R)
• M38: 47,394,401 km (0.088 R)
• M39: 48,626,788 km (0.106 R)
• M40: 51,801,105 km (0.071 R)
• M41: 54,103,416 km (0.114 R)
• M42: 55,959,627 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.2

Radius: 8

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.01 AU - 7.83 AU

Year: 11574 Days

Day: 23.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,700,888 km

• M1: 100,380 km (0.051 R)
• M2: 387,758 km (0.114 R)
• M3: 896,241 km (0.071 R)
• M4: 1,151,754 km (0.057 R)
• M5: 1,690,007 km (0.105 R)
• M6: 3,333,340 km (0.064 R)
• M7: 3,690,579 km (0.106 R)
• M8: 5,080,044 km (0.054 R)
• M9: 6,473,549 km (0.041 R)
• M10: 6,788,303 km (0.119 R)
• M11: 8,992,627 km (0.069 R)
• M12: 10,203,772 km (0.101 R)
• M13: 11,013,994 km (0.114 R)
• M14: 12,100,822 km (0.099 R)
• M15: 13,132,449 km (0.095 R)
• M16: 13,573,912 km (0.063 R)
• M17: 14,025,100 km (0.091 R)
• M18: 15,508,662 km (0.102 R)
• M19: 17,019,750 km (0.066 R)
• M20: 18,080,249 km (0.114 R)
• M21: 18,705,568 km (0.077 R)
• M22: 19,834,583 km (0.101 R)
• M23: 20,415,771 km (0.053 R)
• M24: 24,521,335 km (0.03 R)
• M25: 27,272,440 km (0.114 R)
• M26: 29,466,143 km (0.111 R)
• M27: 40,604,004 km (0.085 R)
• M28: 41,137,470 km (0.034 R)
• M29: 43,457,284 km (0.074 R)
• M30: 43,875,559 km (0.1 R)
• M31: 48,058,017 km (0.115 R)
• M32: 52,814,780 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.8

Radius: 5.8

Gravity: 20.42 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.13 AU - 7.97 AU

Year: 13190 Days

Day: 23.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,700,888 km

• M1: 94,546 km (0.102 R)
• M2: 317,147 km (0.077 R)
• M3: 1,257,669 km (0.053 R)
• M4: 1,755,980 km (0.095 R)
• M5: 2,337,168 km (0.063 R)
• M6: 2,897,561 km (0.115 R)
• M7: 3,284,571 km (0.109 R)
• M8: 4,220,904 km (0.078 R)
• M9: 4,402,965 km (0.084 R)
• M10: 5,941,429 km (0.045 R)
• M11: 6,326,644 km (0.09 R)
• M12: 6,565,701 km (0.108 R)
• M13: 7,852,392 km (0.088 R)
• M14: 8,896,885 km (0.116 R)
• M15: 10,913,913 km (0.108 R)
• M16: 11,728,174 km (0.073 R)
• M17: 12,833,702 km (0.037 R)
• M18: 13,088,467 km (0.075 R)
• M19: 13,477,123 km (0.086 R)
• M20: 13,873,258 km (0.102 R)
• M21: 14,141,636 km (0.113 R)
• M22: 15,038,027 km (0.063 R)
• M23: 15,536,038 km (0.048 R)
• M24: 19,168,723 km (0.108 R)
• M25: 21,048,720 km (0.052 R)
• M26: 21,314,256 km (0.062 R)
• M27: 23,048,095 km (0.052 R)
• M28: 23,235,840 km (0.12 R)
• M29: 30,585,135 km (0.044 R)
• M30: 31,499,328 km (0.094 R)
• M31: 34,596,153 km (0.087 R)
• M32: 35,089,976 km (0.119 R)
• M33: 41,387,149 km (0.109 R)
• M34: 43,356,455 km (0.113 R)
• M35: 43,786,399 km (0.111 R)
• M36: 52,668,324 km (0.066 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 19,610 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit