🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.6

Radius: 8.6

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.89 AU - 1.19 AU

Year: 719 Days

Day: 14.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,515,298 km

• M1: 106,962 km (0.094 R)
• M2: 428,299 km (0.08 R)
• M3: 858,841 km (0.1 R)
• M4: 1,163,722 km (0.094 R)
• M5: 1,579,155 km (0.12 R)
• M6: 2,341,506 km (0.08 R)
• M7: 2,633,671 km (0.075 R)
• M8: 3,266,619 km (0.038 R)
• M9: 3,854,240 km (0.058 R)
• M10: 4,386,060 km (0.115 R)
• M11: 4,899,031 km (0.113 R)
• M12: 5,415,742 km (0.114 R)
• M13: 5,911,360 km (0.08 R)
• M14: 6,258,427 km (0.063 R)
• M15: 6,659,948 km (0.088 R)
• M16: 7,381,907 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.1

Radius: 10.1

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.83 AU - 1.93 AU

Year: 1748 Days

Day: 12.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,515,298 km

• M1: 126,111 km (0.109 R)
• M2: 468,241 km (0.097 R)
• M3: 1,221,167 km (0.115 R)
• M4: 2,036,027 km (0.074 R)
• M5: 2,353,773 km (0.117 R)
• M6: 2,744,672 km (0.118 R)
• M7: 3,626,103 km (0.112 R)
• M8: 3,958,808 km (0.08 R)
• M9: 4,782,943 km (0.08 R)
• M10: 6,193,202 km (0.052 R)
• M11: 8,451,831 km (0.085 R)
• M12: 8,801,591 km (0.038 R)
• M13: 9,655,346 km (0.079 R)
• M14: 10,265,555 km (0.11 R)
• M15: 10,765,212 km (0.088 R)
• M16: 11,921,754 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.4

Radius: 10.5

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.59 AU - 5.19 AU

Year: 7334 Days

Day: 6 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,515,298 km

• M1: 131,197 km (0.095 R)
• M2: 484,248 km (0.072 R)
• M3: 859,739 km (0.058 R)
• M4: 1,262,606 km (0.077 R)
• M5: 1,694,046 km (0.12 R)
• M6: 2,273,439 km (0.031 R)
• M7: 3,901,961 km (0.102 R)
• M8: 4,309,316 km (0.078 R)
• M9: 5,090,965 km (0.109 R)
• M10: 5,422,923 km (0.117 R)
• M11: 6,402,639 km (0.085 R)
• M12: 6,862,204 km (0.096 R)
• M13: 7,230,663 km (0.096 R)
• M14: 9,818,707 km (0.077 R)
• M15: 11,993,710 km (0.109 R)
• M16: 12,367,256 km (0.109 R)
• M17: 15,327,499 km (0.078 R)
• M18: 16,216,110 km (0.12 R)
• M19: 17,206,149 km (0.08 R)
• M20: 18,165,969 km (0.08 R)
• M21: 20,417,865 km (0.072 R)
• M22: 21,337,593 km (0.106 R)
• M23: 21,807,779 km (0.087 R)
• M24: 22,284,697 km (0.082 R)
• M25: 22,931,558 km (0.09 R)
• M26: 24,689,034 km (0.12 R)
• M27: 26,896,201 km (0.086 R)
• M28: 30,498,368 km (0.085 R)
• M29: 32,414,717 km (0.106 R)
• M30: 33,036,147 km (0.112 R)
• M31: 35,601,900 km (0.09 R)
• M32: 38,643,972 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.2

Radius: 6.2

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.77 AU - 5.95 AU

Year: 9621 Days

Day: 24 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,515,298 km

• M1: 109,655 km (0.107 R)
• M2: 1,219,671 km (0.057 R)
• M3: 4,965,303 km (0.032 R)
• M4: 5,671,405 km (0.118 R)
• M5: 6,200,682 km (0.098 R)
• M6: 7,472,713 km (0.085 R)
• M7: 9,173,341 km (0.044 R)
• M8: 9,624,379 km (0.095 R)
• M9: 10,767,008 km (0.053 R)
• M10: 18,139,490 km (0.102 R)
• M11: 22,680,533 km (0.107 R)
• M12: 23,255,139 km (0.072 R)
• M13: 23,839,468 km (0.036 R)
• M14: 28,112,581 km (0.091 R)
• M15: 28,490,166 km (0.049 R)
• M16: 34,459,421 km (0.087 R)
• M17: 34,891,908 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36.2

Radius: 4.1

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.51 AU - 6.51 AU

Year: 9993 Days

Day: 16.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,515,298 km

• M1: 51,162 km (0.064 R)
• M2: 214,673 km (0.106 R)
• M3: 448,794 km (0.094 R)
• M4: 595,549 km (0.065 R)
• M5: 1,058,255 km (0.09 R)
• M6: 1,486,404 km (0.117 R)
• M7: 2,571,887 km (0.072 R)
• M8: 3,441,649 km (0.063 R)
• M9: 4,344,472 km (0.102 R)
• M10: 4,951,839 km (0.081 R)
• M11: 6,883,148 km (0.109 R)
• M12: 9,059,348 km (0.118 R)
• M13: 11,816,287 km (0.067 R)
• M14: 14,799,867 km (0.039 R)
• M15: 14,941,985 km (0.114 R)
• M16: 15,373,874 km (0.068 R)
• M17: 15,863,358 km (0.089 R)
• M18: 17,289,176 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.7

Radius: 4

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 7.58 AU - 9.74 AU

Year: 17285 Days

Day: 24.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,515,298 km

• M1: 49,966 km (0.095 R)
• M2: 346,917 km (0.063 R)
• M3: 480,808 km (0.104 R)
• M4: 1,057,657 km (0.03 R)
• M5: 1,335,311 km (0.12 R)
• M6: 2,481,679 km (0.116 R)
• M7: 2,631,576 km (0.119 R)
• M8: 3,451,672 km (0.075 R)
• M9: 4,059,338 km (0.056 R)
• M10: 4,321,284 km (0.117 R)
• M11: 4,735,221 km (0.073 R)
• M12: 5,296,961 km (0.098 R)
• M13: 5,483,211 km (0.065 R)
• M14: 7,751,264 km (0.115 R)
• M15: 7,991,518 km (0.085 R)
• M16: 8,699,266 km (0.076 R)
• M17: 9,954,542 km (0.1 R)
• M18: 11,479,542 km (0.112 R)
• M19: 12,984,946 km (0.111 R)
• M20: 13,153,692 km (0.103 R)
• M21: 14,922,238 km (0.099 R)
• M22: 15,672,023 km (0.081 R)
• M23: 17,587,025 km (0.105 R)
• M24: 19,949,325 km (0.111 R)
• M25: 21,245,142 km (0.113 R)
• M26: 23,750,457 km (0.04 R)
• M27: 25,292,063 km (0.117 R)
• M28: 27,449,414 km (0.065 R)
• M29: 29,531,966 km (0.105 R)
• M30: 31,717,292 km (0.09 R)
• M31: 35,193,946 km (0.08 R)
• M32: 36,742,583 km (0.104 R)
• M33: 37,193,322 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.6

Radius: 5

Gravity: 16.22 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.78 AU - 9.3 AU

Year: 18435 Days

Day: 17.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,515,298 km

• M1: 62,233 km (0.08 R)
• M2: 414,685 km (0.079 R)
• M3: 778,657 km (0.099 R)
• M4: 1,403,527 km (0.108 R)
• M5: 1,630,018 km (0.101 R)
• M6: 3,327,206 km (0.093 R)
• M7: 3,816,242 km (0.104 R)
• M8: 5,107,271 km (0.089 R)
• M9: 7,131,031 km (0.071 R)
• M10: 7,755,602 km (0.108 R)
• M11: 8,081,277 km (0.099 R)
• M12: 10,285,602 km (0.034 R)
• M13: 11,316,630 km (0.05 R)
• M14: 11,675,216 km (0.109 R)
• M15: 12,103,066 km (0.076 R)
• M16: 16,133,532 km (0.065 R)
• M17: 16,894,985 km (0.108 R)
• M18: 20,708,833 km (0.085 R)
• M19: 24,065,959 km (0.052 R)
• M20: 25,362,374 km (0.038 R)
• M21: 27,553,684 km (0.094 R)
• M22: 33,029,564 km (0.088 R)
• M23: 35,004,705 km (0.095 R)
• M24: 37,846,915 km (0.051 R)
• M25: 46,677,228 km (0.046 R)
• M26: 60,153,304 km (0.094 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 15,716 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit