🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.3

Radius: 8.5

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.44 AU - 0.58 AU

Year: 247 Days

Day: 13.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,578,788 km

• M1: 105,766 km (0.036 R)
• M2: 391,198 km (0.072 R)
• M3: 657,782 km (0.071 R)
• M4: 950,395 km (0.089 R)
• M5: 1,353,861 km (0.092 R)
• M6: 1,718,880 km (0.046 R)
• M7: 2,005,509 km (0.057 R)
• M8: 2,483,025 km (0.087 R)
• M9: 2,804,810 km (0.119 R)
• M10: 3,205,134 km (0.115 R)
• M11: 3,565,665 km (0.089 R)
• M12: 3,906,150 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.1

Radius: 8.2

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.51 AU - 0.55 AU

Year: 262 Days

Day: 6.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,578,788 km

• M1: 102,026 km (0.04 R)
• M2: 385,813 km (0.1 R)
• M3: 710,440 km (0.115 R)
• M4: 1,022,053 km (0.054 R)
• M5: 1,386,623 km (0.04 R)
• M6: 1,693,149 km (0.025 R)
• M7: 2,096,165 km (0.116 R)
• M8: 3,076,031 km (0.073 R)
• M9: 3,529,014 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.8

Radius: 12.1

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.59 AU - 0.85 AU

Year: 414 Days

Day: 11.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,578,788 km

• M1: 150,645 km (0.118 R)
• M2: 541,245 km (0.084 R)
• M3: 924,515 km (0.041 R)
• M4: 1,463,067 km (0.035 R)
• M5: 1,906,475 km (0.114 R)
• M6: 2,282,864 km (0.082 R)
• M7: 2,886,641 km (0.102 R)
• M8: 3,320,774 km (0.08 R)
• M9: 4,580,537 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.4

Radius: 14.8

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.79 AU - 1.07 AU

Year: 608 Days

Day: 12.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,578,788 km

• M1: 184,005 km (0.046 R)
• M2: 695,481 km (0.063 R)
• M3: 1,156,541 km (0.058 R)
• M4: 1,690,306 km (0.112 R)
• M5: 2,760,230 km (0.086 R)
• M6: 3,524,975 km (0.073 R)
• M7: 4,008,924 km (0.09 R)
• M8: 4,680,618 km (0.086 R)
• M9: 5,163,819 km (0.085 R)
• M10: 5,698,781 km (0.093 R)
• M11: 7,779,239 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.9

Radius: 9.8

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.57 AU - 3.53 AU

Year: 3613 Days

Day: 14.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,578,788 km

• M1: 121,922 km (0.066 R)
• M2: 454,329 km (0.106 R)
• M3: 847,921 km (0.113 R)
• M4: 1,186,910 km (0.052 R)
• M5: 1,582,895 km (0.093 R)
• M6: 1,903,783 km (0.033 R)
• M7: 2,436,650 km (0.071 R)
• M8: 3,140,658 km (0.04 R)
• M9: 3,612,340 km (0.12 R)
• M10: 4,314,403 km (0.032 R)
• M11: 4,873,300 km (0.118 R)
• M12: 5,210,045 km (0.036 R)
• M13: 5,787,194 km (0.117 R)
• M14: 6,779,476 km (0.076 R)
• M15: 7,569,652 km (0.084 R)
• M16: 8,530,819 km (0.102 R)
• M17: 9,332,962 km (0.11 R)
• M18: 9,651,456 km (0.102 R)
• M19: 10,018,420 km (0.094 R)
• M20: 11,855,930 km (0.075 R)
• M21: 12,952,333 km (0.062 R)
• M22: 15,181,491 km (0.099 R)
• M23: 16,880,474 km (0.107 R)
• M24: 17,958,776 km (0.058 R)
• M25: 19,531,797 km (0.1 R)
• M26: 21,607,318 km (0.109 R)
• M27: 22,236,527 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.9

Radius: 10.4

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.27 AU - 4.75 AU

Year: 6496 Days

Day: 9.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,578,788 km

• M1: 129,402 km (0.115 R)
• M2: 567,574 km (0.086 R)
• M3: 1,059,452 km (0.106 R)
• M4: 2,126,384 km (0.088 R)
• M5: 3,193,915 km (0.115 R)
• M6: 4,862,978 km (0.093 R)
• M7: 7,684,543 km (0.059 R)
• M8: 8,398,574 km (0.12 R)
• M9: 9,551,974 km (0.073 R)
• M10: 10,615,016 km (0.065 R)
• M11: 11,249,909 km (0.097 R)
• M12: 11,755,401 km (0.119 R)
• M13: 12,275,852 km (0.107 R)
• M14: 12,811,562 km (0.085 R)
• M15: 16,943,754 km (0.082 R)
• M16: 18,083,690 km (0.078 R)
• M17: 21,118,432 km (0.112 R)
• M18: 25,671,593 km (0.068 R)
• M19: 27,535,582 km (0.119 R)
• M20: 28,547,014 km (0.095 R)
• M21: 31,630,675 km (0.072 R)
• M22: 34,399,582 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.7

Radius: 6.6

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.63 AU - 7.91 AU

Year: 11947 Days

Day: 17.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,578,788 km

• M1: 90,656 km (0.115 R)
• M2: 460,911 km (0.065 R)
• M3: 1,051,972 km (0.066 R)
• M4: 1,301,501 km (0.065 R)
• M5: 2,264,014 km (0.115 R)
• M6: 3,332,741 km (0.068 R)
• M7: 3,902,410 km (0.107 R)
• M8: 5,935,445 km (0.119 R)
• M9: 11,359,266 km (0.099 R)
• M10: 13,605,029 km (0.12 R)
• M11: 21,847,273 km (0.113 R)
• M12: 23,904,543 km (0.11 R)
• M13: 26,267,591 km (0.059 R)
• M14: 32,170,723 km (0.098 R)
• M15: 35,373,763 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.4

Radius: 3.4

Gravity: 75.99 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.89 AU - 7.33 AU

Year: 12859 Days

Day: 21.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 61,578,788 km

• M1: 42,336 km (0.092 R)
• M2: 186,997 km (0.102 R)
• M3: 334,052 km (0.117 R)
• M4: 444,754 km (0.041 R)
• M5: 1,038,808 km (0.099 R)
• M6: 1,200,523 km (0.094 R)
• M7: 1,543,102 km (0.076 R)
• M8: 2,680,644 km (0.12 R)
• M9: 3,134,075 km (0.092 R)
• M10: 3,636,724 km (0.102 R)
• M11: 4,040,040 km (0.112 R)
• M12: 5,248,492 km (0.114 R)
• M13: 8,744,893 km (0.054 R)
• M14: 9,949,006 km (0.055 R)
• M15: 11,318,874 km (0.101 R)
• M16: 11,680,003 km (0.079 R)
• M17: 12,425,300 km (0.045 R)
• M18: 12,874,393 km (0.105 R)
• M19: 13,004,692 km (0.067 R)
• M20: 13,334,107 km (0.093 R)
• M21: 17,573,411 km (0.075 R)
• M22: 17,814,264 km (0.069 R)
• M23: 23,202,630 km (0.114 R)
• M24: 25,692,686 km (0.064 R)
• M25: 27,376,560 km (0.117 R)
• M26: 29,020,491 km (0.119 R)
• M27: 30,729,198 km (0.116 R)
• M28: 30,845,435 km (0.099 R)
• M29: 31,078,658 km (0.065 R)
• M30: 35,611,025 km (0.093 R)
• M31: 37,833,451 km (0.088 R)
• M32: 39,046,540 km (0.073 R)
• M33: 40,984,880 km (0.052 R)
• M34: 43,863,741 km (0.083 R)
• M35: 44,011,095 km (0.111 R)
• M36: 44,158,898 km (0.093 R)
• M37: 44,603,952 km (0.098 R)
• M38: 46,109,355 km (0.074 R)
• M39: 47,804,000 km (0.115 R)
• M40: 60,113,660 km (0.114 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 19,881 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit