🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.99 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.1

Radius: 10.2

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.71 AU - 6.23 AU

Year: 5410 Days

Day: 7.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 135.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,012,081 km

• M1: 127,009 km (0.075 R)
• M2: 626,665 km (0.104 R)
• M3: 947,403 km (0.113 R)
• M4: 1,287,439 km (0.1 R)
• M5: 3,180,451 km (0.115 R)
• M6: 3,850,500 km (0.094 R)
• M7: 4,364,069 km (0.045 R)
• M8: 4,765,739 km (0.085 R)
• M9: 5,247,145 km (0.119 R)
• M10: 6,338,761 km (0.092 R)
• M11: 7,399,709 km (0.09 R)
• M12: 8,083,371 km (0.031 R)
• M13: 8,498,057 km (0.118 R)
• M14: 9,207,300 km (0.096 R)
• M15: 10,565,200 km (0.108 R)
• M16: 11,107,343 km (0.064 R)
• M17: 13,939,829 km (0.05 R)
• M18: 16,491,819 km (0.091 R)
• M19: 16,915,031 km (0.065 R)
• M20: 17,532,272 km (0.12 R)
• M21: 19,273,741 km (0.099 R)
• M22: 19,811,096 km (0.1 R)
• M23: 24,243,233 km (0.118 R)
• M24: 25,748,486 km (0.086 R)
• M25: 28,509,315 km (0.081 R)
• M26: 29,295,302 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.4

Radius: 14.5

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.79 AU - 8.87 AU

Year: 7360 Days

Day: 10.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,012,081 km

• M1: 180,415 km (0.106 R)
• M2: 764,894 km (0.062 R)
• M3: 1,801,906 km (0.102 R)
• M4: 2,315,625 km (0.09 R)
• M5: 3,251,360 km (0.074 R)
• M6: 3,794,849 km (0.1 R)
• M7: 5,735,582 km (0.112 R)
• M8: 7,056,681 km (0.046 R)
• M9: 8,703,903 km (0.101 R)
• M10: 10,952,659 km (0.087 R)
• M11: 11,908,888 km (0.102 R)
• M12: 15,698,651 km (0.032 R)
• M13: 16,914,433 km (0.09 R)
• M14: 17,403,767 km (0.095 R)
• M15: 17,902,676 km (0.094 R)
• M16: 19,994,354 km (0.097 R)
• M17: 21,341,333 km (0.12 R)
• M18: 22,747,852 km (0.058 R)
• M19: 24,658,965 km (0.116 R)
• M20: 25,562,087 km (0.116 R)
• M21: 27,338,861 km (0.06 R)
• M22: 30,721,718 km (0.116 R)
• M23: 33,709,786 km (0.099 R)
• M24: 36,537,036 km (0.102 R)
• M25: 37,238,351 km (0.04 R)
• M26: 40,755,846 km (0.047 R)
• M27: 43,567,986 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.6

Radius: 10.4

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 9.6 AU - 11.26 AU

Year: 12492 Days

Day: 12.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,012,081 km

• M1: 129,402 km (0.032 R)
• M2: 667,356 km (0.113 R)
• M3: 1,222,065 km (0.067 R)
• M4: 1,871,619 km (0.115 R)
• M5: 2,553,336 km (0.11 R)
• M6: 3,617,875 km (0.108 R)
• M7: 4,250,823 km (0.1 R)
• M8: 5,928,713 km (0.092 R)
• M9: 7,468,075 km (0.101 R)
• M10: 8,088,906 km (0.113 R)
• M11: 10,159,939 km (0.094 R)
• M12: 11,620,912 km (0.108 R)
• M13: 12,401,813 km (0.089 R)
• M14: 12,941,562 km (0.12 R)
• M15: 14,418,392 km (0.026 R)
• M16: 15,442,988 km (0.094 R)
• M17: 18,597,858 km (0.09 R)
• M18: 20,325,863 km (0.103 R)
• M19: 21,845,777 km (0.036 R)
• M20: 24,516,997 km (0.082 R)
• M21: 25,281,741 km (0.111 R)
• M22: 26,591,470 km (0.028 R)
• M23: 27,580,312 km (0.076 R)
• M24: 33,721,454 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.4

Radius: 10.8

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 10.84 AU - 12.12 AU

Year: 14425 Days

Day: 9.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,012,081 km

• M1: 135,536 km (0.085 R)
• M2: 699,220 km (0.078 R)
• M3: 1,051,823 km (0.065 R)
• M4: 1,486,554 km (0.091 R)
• M5: 2,040,814 km (0.042 R)
• M6: 4,222,101 km (0.106 R)
• M7: 4,623,921 km (0.095 R)
• M8: 6,020,866 km (0.054 R)
• M9: 6,952,711 km (0.116 R)
• M10: 7,515,049 km (0.108 R)
• M11: 9,823,943 km (0.074 R)
• M12: 11,882,708 km (0.086 R)
• M13: 13,405,615 km (0.115 R)
• M14: 13,774,822 km (0.108 R)
• M15: 16,835,296 km (0.118 R)
• M16: 17,998,419 km (0.112 R)
• M17: 19,292,141 km (0.11 R)
• M18: 20,646,750 km (0.078 R)
• M19: 23,102,399 km (0.111 R)
• M20: 24,446,087 km (0.115 R)
• M21: 26,413,898 km (0.108 R)
• M22: 27,288,746 km (0.12 R)
• M23: 28,082,363 km (0.096 R)
• M24: 29,612,151 km (0.101 R)
• M25: 39,218,727 km (0.066 R)
• M26: 44,174,905 km (0.079 R)
• M27: 46,521,347 km (0.077 R)
• M28: 47,796,669 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.4

Radius: 6

Gravity: 21.04 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 13.21 AU - 19.45 AU

Year: 24473 Days

Day: 16.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,012,081 km

• M1: 75,098 km (0.11 R)
• M2: 263,292 km (0.119 R)
• M3: 1,729,501 km (0.075 R)
• M4: 2,245,464 km (0.042 R)
• M5: 3,219,346 km (0.08 R)
• M6: 5,917,344 km (0.091 R)
• M7: 6,833,481 km (0.09 R)
• M8: 8,490,726 km (0.047 R)
• M9: 12,075,241 km (0.067 R)
• M10: 12,940,665 km (0.062 R)
• M11: 22,563,248 km (0.058 R)
• M12: 27,124,488 km (0.095 R)
• M13: 38,474,179 km (0.107 R)
• M14: 47,694,195 km (0.116 R)
• M15: 59,503,151 km (0.075 R)
• M16: 61,364,448 km (0.094 R)
• M17: 68,072,566 km (0.098 R)
• M18: 71,025,329 km (0.115 R)
• M19: 74,537,139 km (0.099 R)
• M20: 76,698,828 km (0.052 R)
• M21: 77,672,860 km (0.068 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: 476 - 16,867 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit