🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.1

Radius: 14.7

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.73 AU - 1.05 AU

Year: 560 Days

Day: 11.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,114,054 km

• M1: 182,809 km (0.094 R)
• M2: 693,985 km (0.065 R)
• M3: 1,218,774 km (0.09 R)
• M4: 2,053,231 km (0.088 R)
• M5: 2,759,482 km (0.085 R)
• M6: 3,701,351 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.8

Radius: 13

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.35 AU - 1.89 AU

Year: 1375 Days

Day: 11.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,114,054 km

• M1: 161,865 km (0.113 R)
• M2: 640,728 km (0.112 R)
• M3: 1,092,364 km (0.086 R)
• M4: 1,575,266 km (0.082 R)
• M5: 2,155,855 km (0.036 R)
• M6: 2,699,344 km (0.081 R)
• M7: 3,523,179 km (0.118 R)
• M8: 3,994,712 km (0.092 R)
• M9: 5,297,560 km (0.1 R)
• M10: 6,664,436 km (0.119 R)
• M11: 7,497,995 km (0.093 R)
• M12: 8,312,406 km (0.091 R)
• M13: 9,854,311 km (0.078 R)
• M14: 11,362,407 km (0.083 R)
• M15: 11,873,134 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.7

Radius: 8.8

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.43 AU - 2.05 AU

Year: 1531 Days

Day: 6.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,114,054 km

• M1: 109,506 km (0.116 R)
• M2: 395,686 km (0.11 R)
• M3: 697,276 km (0.082 R)
• M4: 1,505,852 km (0.051 R)
• M5: 1,964,669 km (0.118 R)
• M6: 2,633,371 km (0.119 R)
• M7: 3,478,599 km (0.077 R)
• M8: 4,340,732 km (0.118 R)
• M9: 4,671,044 km (0.085 R)
• M10: 5,251,783 km (0.105 R)
• M11: 5,559,805 km (0.116 R)
• M12: 6,709,016 km (0.113 R)
• M13: 7,151,676 km (0.116 R)
• M14: 7,753,358 km (0.064 R)
• M15: 8,688,495 km (0.09 R)
• M16: 10,127,925 km (0.117 R)
• M17: 11,425,537 km (0.085 R)
• M18: 12,439,961 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.3

Radius: 8.4

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.88 AU - 3.24 AU

Year: 3570 Days

Day: 9.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,114,054 km

• M1: 104,419 km (0.057 R)
• M2: 458,667 km (0.112 R)
• M3: 966,402 km (0.061 R)
• M4: 1,583,344 km (0.058 R)
• M5: 2,488,860 km (0.098 R)
• M6: 2,830,841 km (0.111 R)
• M7: 4,452,033 km (0.094 R)
• M8: 5,296,213 km (0.082 R)
• M9: 5,692,199 km (0.104 R)
• M10: 6,950,915 km (0.072 R)
• M11: 7,299,030 km (0.094 R)
• M12: 8,638,080 km (0.068 R)
• M13: 9,217,024 km (0.079 R)
• M14: 10,745,017 km (0.054 R)
• M15: 11,244,823 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.5

Radius: 9.2

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.05 AU - 3.37 AU

Year: 3835 Days

Day: 14.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,114,054 km

• M1: 115,340 km (0.116 R)
• M2: 436,975 km (0.118 R)
• M3: 835,654 km (0.096 R)
• M4: 1,156,990 km (0.068 R)
• M5: 1,517,371 km (0.095 R)
• M6: 2,074,025 km (0.111 R)
• M7: 2,423,336 km (0.09 R)
• M8: 4,188,740 km (0.091 R)
• M9: 4,487,338 km (0.11 R)
• M10: 4,824,831 km (0.113 R)
• M11: 5,362,934 km (0.045 R)
• M12: 7,122,654 km (0.048 R)
• M13: 7,684,394 km (0.117 R)
• M14: 8,747,436 km (0.089 R)
• M15: 9,122,777 km (0.085 R)
• M16: 9,865,531 km (0.076 R)
• M17: 14,144,778 km (0.046 R)
• M18: 15,139,155 km (0.109 R)
• M19: 16,688,540 km (0.1 R)
• M20: 17,033,812 km (0.051 R)
• M21: 21,967,699 km (0.067 R)
• M22: 24,388,492 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.3

Radius: 14.9

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.69 AU - 3.81 AU

Year: 4843 Days

Day: 14.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,114,054 km

• M1: 186,249 km (0.034 R)
• M2: 684,111 km (0.116 R)
• M3: 1,246,749 km (0.052 R)
• M4: 1,894,657 km (0.1 R)
• M5: 2,780,725 km (0.11 R)
• M6: 3,886,104 km (0.108 R)
• M7: 4,952,438 km (0.051 R)
• M8: 5,457,929 km (0.055 R)
• M9: 6,027,597 km (0.064 R)
• M10: 7,455,958 km (0.108 R)
• M11: 8,489,679 km (0.114 R)
• M12: 9,617,198 km (0.039 R)
• M13: 11,019,080 km (0.03 R)
• M14: 11,792,651 km (0.06 R)
• M15: 13,195,729 km (0.09 R)
• M16: 15,199,443 km (0.031 R)
• M17: 16,565,421 km (0.114 R)
• M18: 19,540,623 km (0.072 R)
• M19: 20,607,107 km (0.108 R)
• M20: 22,422,327 km (0.053 R)
• M21: 24,646,997 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.9

Radius: 6.6

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.27 AU - 7.81 AU

Year: 11153 Days

Day: 24.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,114,054 km

• M1: 85,121 km (0.082 R)
• M2: 371,751 km (0.105 R)
• M3: 625,170 km (0.051 R)
• M4: 985,551 km (0.102 R)
• M5: 2,040,964 km (0.118 R)
• M6: 7,621,264 km (0.083 R)
• M7: 8,482,498 km (0.088 R)
• M8: 9,270,879 km (0.107 R)
• M9: 10,791,691 km (0.043 R)
• M10: 13,201,115 km (0.105 R)
• M11: 13,781,554 km (0.095 R)
• M12: 16,539,092 km (0.092 R)
• M13: 16,806,573 km (0.117 R)
• M14: 17,626,818 km (0.098 R)
• M15: 25,794,712 km (0.084 R)
• M16: 27,162,186 km (0.039 R)
• M17: 31,246,956 km (0.116 R)
• M18: 32,905,099 km (0.114 R)
• M19: 36,058,472 km (0.101 R)
• M20: 38,113,798 km (0.082 R)
• M21: 38,463,707 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.8

Radius: 4.9

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.94 AU - 7.22 AU

Year: 11256 Days

Day: 22 Hours

Environment

Temp: -235 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 39,114,054 km

• M1: 60,886 km (0.112 R)
• M2: 226,940 km (0.102 R)
• M3: 449,093 km (0.098 R)
• M4: 607,517 km (0.09 R)
• M5: 787,633 km (0.093 R)
• M6: 955,482 km (0.07 R)
• M7: 1,224,309 km (0.111 R)
• M8: 1,582,446 km (0.086 R)
• M9: 1,867,879 km (0.069 R)
• M10: 2,449,516 km (0.09 R)
• M11: 3,016,791 km (0.106 R)
• M12: 4,543,886 km (0.045 R)
• M13: 4,884,221 km (0.107 R)
• M14: 5,809,484 km (0.103 R)
• M15: 7,067,303 km (0.11 R)
• M16: 7,919,562 km (0.101 R)
• M17: 9,145,067 km (0.11 R)
• M18: 10,155,152 km (0.082 R)
• M19: 11,754,204 km (0.087 R)
• M20: 12,286,324 km (0.105 R)
• M21: 13,284,740 km (0.119 R)
• M22: 14,576,817 km (0.041 R)
• M23: 15,950,424 km (0.077 R)
• M24: 17,204,354 km (0.073 R)
• M25: 26,493,484 km (0.087 R)
• M26: 31,982,978 km (0.091 R)
• M27: 35,703,626 km (0.072 R)
• M28: 36,705,034 km (0.033 R)
• M29: 37,610,700 km (0.082 R)
• M30: 39,114,009 km (0.109 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: 271 - 15,997 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit