🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.1

Radius: 13.8

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.55 AU - 0.73 AU

Year: 347 Days

Day: 10.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,653,540 km

• M1: 173,384 km (0.061 R)
• M2: 644,318 km (0.111 R)
• M3: 1,170,903 km (0.113 R)
• M4: 1,612,067 km (0.032 R)
• M5: 2,047,546 km (0.073 R)
• M6: 3,793,054 km (0.095 R)
• M7: 4,264,886 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.3

Radius: 15

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.81 AU - 1.21 AU

Year: 688 Days

Day: 7.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,653,540 km

• M1: 186,698 km (0.028 R)
• M2: 858,841 km (0.12 R)
• M3: 1,499,719 km (0.118 R)
• M4: 2,036,326 km (0.111 R)
• M5: 2,571,887 km (0.09 R)
• M6: 3,987,830 km (0.116 R)
• M7: 4,776,510 km (0.115 R)
• M8: 5,840,750 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.8

Radius: 14.9

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.13 AU - 1.19 AU

Year: 847 Days

Day: 7.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,653,540 km

• M1: 251,025 km (0.076 R)
• M2: 726,148 km (0.095 R)
• M3: 1,571,077 km (0.085 R)
• M4: 2,422,438 km (0.065 R)
• M5: 2,914,765 km (0.103 R)
• M6: 3,526,620 km (0.083 R)
• M7: 4,434,679 km (0.108 R)
• M8: 4,911,747 km (0.086 R)
• M9: 6,026,999 km (0.088 R)
• M10: 7,218,995 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.7

Radius: 11

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.65 AU - 2.07 AU

Year: 1721 Days

Day: 6.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,653,540 km

• M1: 137,331 km (0.114 R)
• M2: 649,404 km (0.12 R)
• M3: 1,021,155 km (0.061 R)
• M4: 1,377,497 km (0.078 R)
• M5: 1,915,601 km (0.046 R)
• M6: 2,278,076 km (0.079 R)
• M7: 2,728,964 km (0.079 R)
• M8: 3,417,414 km (0.103 R)
• M9: 4,123,217 km (0.114 R)
• M10: 5,009,135 km (0.072 R)
• M11: 5,406,467 km (0.091 R)
• M12: 6,441,535 km (0.06 R)
• M13: 7,952,174 km (0.036 R)
• M14: 8,525,283 km (0.1 R)
• M15: 12,085,414 km (0.094 R)
• M16: 13,172,242 km (0.112 R)
• M17: 14,148,518 km (0.11 R)
• M18: 14,721,178 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.1

Radius: 12

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.36 AU - 2.76 AU

Year: 2778 Days

Day: 5.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,653,540 km

• M1: 149,299 km (0.066 R)
• M2: 551,867 km (0.072 R)
• M3: 940,073 km (0.082 R)
• M4: 1,866,084 km (0.06 R)
• M5: 2,344,498 km (0.042 R)
• M6: 3,040,577 km (0.079 R)
• M7: 3,772,858 km (0.117 R)
• M8: 5,318,803 km (0.11 R)
• M9: 6,452,605 km (0.108 R)
• M10: 7,226,624 km (0.036 R)
• M11: 10,527,202 km (0.107 R)
• M12: 11,530,854 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.1

Radius: 9.2

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.05 AU - 3.13 AU

Year: 3684 Days

Day: 7.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,653,540 km

• M1: 114,742 km (0.062 R)
• M2: 1,108,819 km (0.066 R)
• M3: 1,674,150 km (0.099 R)
• M4: 2,196,845 km (0.078 R)
• M5: 3,075,433 km (0.091 R)
• M6: 6,056,470 km (0.102 R)
• M7: 7,611,689 km (0.113 R)
• M8: 10,831,783 km (0.098 R)
• M9: 12,053,699 km (0.11 R)
• M10: 13,541,001 km (0.098 R)
• M11: 16,875,986 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.2

Radius: 13.3

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.8 AU - 5.7 AU

Year: 8159 Days

Day: 13.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,653,540 km

• M1: 165,455 km (0.116 R)
• M2: 879,336 km (0.088 R)
• M3: 1,536,520 km (0.062 R)
• M4: 3,098,172 km (0.068 R)
• M5: 4,170,489 km (0.093 R)
• M6: 4,942,863 km (0.101 R)
• M7: 6,014,134 km (0.08 R)
• M8: 7,039,777 km (0.118 R)
• M9: 7,473,461 km (0.118 R)
• M10: 8,747,885 km (0.103 R)
• M11: 12,678,120 km (0.104 R)
• M12: 18,237,626 km (0.095 R)
• M13: 19,058,918 km (0.051 R)
• M14: 20,139,763 km (0.102 R)
• M15: 21,179,618 km (0.114 R)
• M16: 26,448,006 km (0.064 R)
• M17: 28,980,399 km (0.084 R)
• M18: 31,883,944 km (0.086 R)
• M19: 33,516,805 km (0.114 R)
• M20: 34,522,850 km (0.117 R)
• M21: 40,356,868 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.1

Radius: 6.4

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.92 AU - 8.44 AU

Year: 13049 Days

Day: 21.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,653,540 km

• M1: 81,232 km (0.106 R)
• M2: 388,805 km (0.104 R)
• M3: 773,720 km (0.071 R)
• M4: 1,365,978 km (0.092 R)
• M5: 1,686,267 km (0.069 R)
• M6: 2,403,589 km (0.116 R)
• M7: 3,195,111 km (0.117 R)
• M8: 4,229,132 km (0.106 R)
• M9: 5,501,910 km (0.065 R)
• M10: 8,386,157 km (0.067 R)
• M11: 10,027,844 km (0.085 R)
• M12: 11,872,835 km (0.077 R)
• M13: 12,932,437 km (0.099 R)
• M14: 13,692,992 km (0.093 R)
• M15: 17,451,938 km (0.096 R)
• M16: 37,786,328 km (0.107 R)
• M17: 39,094,561 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.6

Radius: 5.6

Gravity: 15.77 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.88 AU - 9.48 AU

Year: 18865 Days

Day: 24 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 65,653,540 km

• M1: 73,901 km (0.042 R)
• M2: 299,944 km (0.07 R)
• M3: 642,972 km (0.113 R)
• M4: 920,775 km (0.091 R)
• M5: 1,276,369 km (0.107 R)
• M6: 1,571,974 km (0.104 R)
• M7: 1,948,811 km (0.025 R)
• M8: 2,178,594 km (0.099 R)
• M9: 3,528,116 km (0.114 R)
• M10: 4,142,365 km (0.104 R)
• M11: 4,656,234 km (0.096 R)
• M12: 6,085,941 km (0.075 R)
• M13: 8,416,077 km (0.096 R)
• M14: 8,769,427 km (0.093 R)
• M15: 9,505,748 km (0.112 R)
• M16: 11,040,772 km (0.093 R)
• M17: 13,132,449 km (0.069 R)
• M18: 13,815,064 km (0.095 R)
• M19: 16,004,579 km (0.069 R)
• M20: 17,021,395 km (0.111 R)
• M21: 17,423,814 km (0.04 R)
• M22: 18,080,548 km (0.059 R)
• M23: 25,793,216 km (0.117 R)
• M24: 27,407,227 km (0.08 R)
• M25: 28,859,374 km (0.099 R)
• M26: 32,898,666 km (0.118 R)
• M27: 33,901,121 km (0.105 R)
• M28: 34,794,670 km (0.1 R)
• M29: 36,362,904 km (0.115 R)
• M30: 37,164,449 km (0.046 R)
• M31: 38,941,523 km (0.089 R)
• M32: 39,921,389 km (0.086 R)
• M33: 40,488,664 km (0.109 R)
• M34: 42,222,802 km (0.108 R)
• M35: 45,221,940 km (0.105 R)
• M36: 51,138,985 km (0.116 R)
• M37: 51,640,287 km (0.098 R)
• M38: 55,240,959 km (0.115 R)
• M39: 56,834,026 km (0.086 R)
• M40: 59,005,439 km (0.116 R)
• M41: 60,669,865 km (0.039 R)
• M42: 65,456,997 km (0.082 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 19,193 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit