🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.7

Radius: 11

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.48 AU - 0.64 AU

Year: 295 Days

Day: 9 Hours

Environment

Temp: -154 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,834,576 km

• M1: 137,331 km (0.09 R)
• M2: 518,656 km (0.088 R)
• M3: 913,744 km (0.08 R)
• M4: 1,436,439 km (0.112 R)
• M5: 1,895,255 km (0.08 R)
• M6: 2,290,643 km (0.111 R)
• M7: 2,714,753 km (0.031 R)
• M8: 3,455,112 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.7

Radius: 10

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.51 AU - 0.71 AU

Year: 335 Days

Day: 11.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 143.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,834,576 km

• M1: 124,316 km (0.092 R)
• M2: 639,680 km (0.119 R)
• M3: 1,118,543 km (0.086 R)
• M4: 1,731,147 km (0.069 R)
• M5: 2,554,683 km (0.113 R)
• M6: 3,029,955 km (0.048 R)
• M7: 3,375,377 km (0.12 R)
• M8: 3,770,465 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.8

Radius: 8

Gravity: 14.4 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.87 AU - 3.03 AU

Year: 2696 Days

Day: 10.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,834,576 km

• M1: 100,231 km (0.064 R)
• M2: 587,321 km (0.076 R)
• M3: 1,108,071 km (0.097 R)
• M4: 1,444,068 km (0.069 R)
• M5: 1,751,492 km (0.11 R)
• M6: 2,500,379 km (0.06 R)
• M7: 2,897,112 km (0.067 R)
• M8: 3,172,672 km (0.068 R)
• M9: 3,561,028 km (0.119 R)
• M10: 3,980,799 km (0.073 R)
• M11: 4,278,649 km (0.094 R)
• M12: 4,683,610 km (0.081 R)
• M13: 5,415,144 km (0.059 R)
• M14: 6,622,847 km (0.086 R)
• M15: 7,289,904 km (0.07 R)
• M16: 7,737,052 km (0.062 R)
• M17: 8,270,518 km (0.066 R)
• M18: 8,546,377 km (0.08 R)
• M19: 9,673,597 km (0.119 R)
• M20: 10,372,069 km (0.108 R)
• M21: 11,439,600 km (0.1 R)
• M22: 15,080,513 km (0.102 R)
• M23: 15,597,074 km (0.118 R)
• M24: 18,300,308 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.4

Radius: 13.9

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.2 AU - 3.62 AU

Year: 4426 Days

Day: 7.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,834,576 km

• M1: 172,935 km (0.065 R)
• M2: 737,218 km (0.097 R)
• M3: 1,385,725 km (0.09 R)
• M4: 2,148,525 km (0.081 R)
• M5: 2,677,802 km (0.119 R)
• M6: 3,763,434 km (0.097 R)
• M7: 5,421,726 km (0.091 R)
• M8: 6,792,491 km (0.103 R)
• M9: 7,421,999 km (0.085 R)
• M10: 8,457,964 km (0.09 R)
• M11: 9,916,843 km (0.055 R)
• M12: 15,355,473 km (0.119 R)
• M13: 16,795,951 km (0.117 R)
• M14: 20,892,240 km (0.096 R)
• M15: 23,467,568 km (0.033 R)
• M16: 24,523,878 km (0.094 R)
• M17: 27,385,985 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448

Radius: 9.6

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.84 AU - 4.08 AU

Year: 4524 Days

Day: 13.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,834,576 km

• M1: 122,820 km (0.072 R)
• M2: 604,974 km (0.109 R)
• M3: 1,053,319 km (0.068 R)
• M4: 1,611,767 km (0.109 R)
• M5: 2,817,825 km (0.076 R)
• M6: 3,206,182 km (0.102 R)
• M7: 4,979,365 km (0.07 R)
• M8: 5,337,203 km (0.056 R)
• M9: 5,767,447 km (0.068 R)
• M10: 6,758,533 km (0.098 R)
• M11: 7,134,322 km (0.049 R)
• M12: 8,030,862 km (0.053 R)
• M13: 8,381,520 km (0.054 R)
• M14: 10,249,399 km (0.079 R)
• M15: 11,215,502 km (0.08 R)
• M16: 12,013,008 km (0.1 R)
• M17: 12,565,473 km (0.06 R)
• M18: 15,693,415 km (0.054 R)
• M19: 19,809,152 km (0.103 R)
• M20: 20,192,272 km (0.101 R)
• M21: 21,706,950 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.8

Radius: 8

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.61 AU - 4.31 AU

Year: 4524 Days

Day: 11.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 53.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,834,576 km

• M1: 99,632 km (0.1 R)
• M2: 597,494 km (0.098 R)
• M3: 1,157,888 km (0.095 R)
• M4: 1,763,161 km (0.042 R)
• M5: 2,013,139 km (0.073 R)
• M6: 2,497,985 km (0.073 R)
• M7: 3,185,238 km (0.111 R)
• M8: 3,800,684 km (0.106 R)
• M9: 5,888,471 km (0.115 R)
• M10: 8,218,907 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 792.4

Radius: 7.5

Gravity: 14.09 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.93 AU - 6.27 AU

Year: 10590 Days

Day: 23.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,834,576 km

• M1: 93,199 km (0.097 R)
• M2: 504,594 km (0.106 R)
• M3: 1,031,777 km (0.113 R)
• M4: 1,301,352 km (0.083 R)
• M5: 1,632,861 km (0.067 R)
• M6: 2,979,391 km (0.091 R)
• M7: 3,850,200 km (0.11 R)
• M8: 4,418,523 km (0.1 R)
• M9: 4,754,071 km (0.042 R)
• M10: 5,172,795 km (0.106 R)
• M11: 7,015,691 km (0.106 R)
• M12: 8,448,241 km (0.111 R)
• M13: 9,808,534 km (0.104 R)
• M14: 10,118,052 km (0.046 R)
• M15: 10,756,536 km (0.071 R)
• M16: 11,196,952 km (0.042 R)
• M17: 11,822,121 km (0.045 R)
• M18: 12,711,780 km (0.081 R)
• M19: 13,266,638 km (0.101 R)
• M20: 14,490,798 km (0.114 R)
• M21: 16,866,562 km (0.094 R)
• M22: 19,652,373 km (0.114 R)
• M23: 22,730,948 km (0.107 R)
• M24: 25,822,388 km (0.106 R)
• M25: 26,413,150 km (0.112 R)
• M26: 27,315,973 km (0.111 R)
• M27: 31,467,463 km (0.108 R)
• M28: 35,413,855 km (0.115 R)
• M29: 39,939,191 km (0.107 R)
• M30: 41,261,337 km (0.098 R)
• M31: 51,809,931 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611.5

Radius: 7.2

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.85 AU - 7.61 AU

Year: 13665 Days

Day: 18.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,834,576 km

• M1: 89,609 km (0.09 R)
• M2: 330,761 km (0.076 R)
• M3: 564,283 km (0.117 R)
• M4: 1,321,847 km (0.049 R)
• M5: 1,747,453 km (0.07 R)
• M6: 2,055,475 km (0.117 R)
• M7: 3,058,080 km (0.115 R)
• M8: 4,601,182 km (0.087 R)
• M9: 5,226,052 km (0.096 R)
• M10: 5,758,172 km (0.105 R)
• M11: 6,248,105 km (0.029 R)
• M12: 8,537,550 km (0.114 R)
• M13: 9,074,607 km (0.09 R)
• M14: 10,269,894 km (0.08 R)
• M15: 11,276,089 km (0.071 R)
• M16: 11,803,122 km (0.03 R)
• M17: 14,278,518 km (0.028 R)
• M18: 15,034,736 km (0.066 R)
• M19: 17,156,333 km (0.102 R)
• M20: 18,328,432 km (0.074 R)
• M21: 18,730,850 km (0.115 R)
• M22: 19,469,864 km (0.108 R)
• M23: 22,346,332 km (0.096 R)
• M24: 24,028,859 km (0.108 R)
• M25: 24,317,283 km (0.112 R)
• M26: 26,811,379 km (0.105 R)
• M27: 28,173,468 km (0.086 R)
• M28: 33,602,524 km (0.111 R)
• M29: 39,958,339 km (0.112 R)
• M30: 45,146,393 km (0.063 R)
• M31: 50,924,162 km (0.09 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 17,332 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit