🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.5

Radius: 9.3

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.58 AU - 0.86 AU

Year: 422 Days

Day: 9.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,369,371 km

• M1: 115,639 km (0.085 R)
• M2: 413,489 km (0.094 R)
• M3: 829,071 km (0.077 R)
• M4: 1,202,617 km (0.074 R)
• M5: 1,565,841 km (0.093 R)
• M6: 1,887,925 km (0.109 R)
• M7: 2,182,783 km (0.117 R)
• M8: 2,637,859 km (0.082 R)
• M9: 3,008,712 km (0.045 R)
• M10: 3,803,675 km (0.101 R)
• M11: 4,097,934 km (0.113 R)
• M12: 4,523,690 km (0.092 R)
• M13: 5,105,327 km (0.1 R)
• M14: 5,447,606 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717

Radius: 9.3

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.82 AU - 0.98 AU

Year: 589 Days

Day: 10.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,369,371 km

• M1: 116,836 km (0.093 R)
• M2: 418,724 km (0.097 R)
• M3: 759,209 km (0.079 R)
• M4: 1,232,836 km (0.042 R)
• M5: 1,531,134 km (0.118 R)
• M6: 1,836,314 km (0.105 R)
• M7: 2,249,204 km (0.117 R)
• M8: 2,880,357 km (0.052 R)
• M9: 3,611,592 km (0.073 R)
• M10: 4,174,529 km (0.082 R)
• M11: 5,334,211 km (0.103 R)
• M12: 6,007,701 km (0.117 R)
• M13: 6,355,366 km (0.084 R)
• M14: 7,154,967 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.8

Radius: 10.4

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.17 AU - 3.21 AU

Year: 3045 Days

Day: 8.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,369,371 km

• M1: 130,300 km (0.081 R)
• M2: 534,364 km (0.1 R)
• M3: 1,564,794 km (0.028 R)
• M4: 1,939,985 km (0.106 R)
• M5: 3,052,993 km (0.075 R)
• M6: 8,940,268 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.8

Radius: 11.5

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.59 AU - 2.83 AU

Year: 3079 Days

Day: 11.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,369,371 km

• M1: 143,016 km (0.117 R)
• M2: 575,952 km (0.12 R)
• M3: 1,238,670 km (0.061 R)
• M4: 2,483,025 km (0.12 R)
• M5: 2,941,393 km (0.051 R)
• M6: 3,423,248 km (0.097 R)
• M7: 4,978,617 km (0.101 R)
• M8: 5,666,319 km (0.107 R)
• M9: 6,341,005 km (0.116 R)
• M10: 6,723,975 km (0.082 R)
• M11: 7,649,837 km (0.097 R)
• M12: 8,353,246 km (0.117 R)
• M13: 8,751,924 km (0.118 R)
• M14: 10,231,298 km (0.1 R)
• M15: 11,492,408 km (0.119 R)
• M16: 12,415,426 km (0.061 R)
• M17: 13,345,476 km (0.119 R)
• M18: 13,934,144 km (0.072 R)
• M19: 14,804,804 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.6

Radius: 10.8

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.52 AU - 3.92 AU

Year: 3988 Days

Day: 11.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,369,371 km

• M1: 134,339 km (0.108 R)
• M2: 534,812 km (0.068 R)
• M3: 1,233,285 km (0.055 R)
• M4: 2,360,654 km (0.111 R)
• M5: 2,785,213 km (0.045 R)
• M6: 3,358,023 km (0.102 R)
• M7: 3,897,773 km (0.066 R)
• M8: 5,284,844 km (0.068 R)
• M9: 6,225,216 km (0.075 R)
• M10: 7,140,606 km (0.12 R)
• M11: 7,928,538 km (0.099 R)
• M12: 8,735,468 km (0.082 R)
• M13: 9,198,175 km (0.109 R)
• M14: 10,257,178 km (0.088 R)
• M15: 11,260,082 km (0.094 R)
• M16: 12,184,148 km (0.116 R)
• M17: 12,567,717 km (0.115 R)
• M18: 12,909,847 km (0.03 R)
• M19: 14,130,566 km (0.069 R)
• M20: 14,877,359 km (0.104 R)
• M21: 16,103,912 km (0.104 R)
• M22: 16,918,622 km (0.093 R)
• M23: 17,699,672 km (0.093 R)
• M24: 22,826,989 km (0.073 R)
• M25: 26,320,249 km (0.092 R)
• M26: 26,800,608 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.8

Radius: 14.3

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.97 AU - 4.77 AU

Year: 6306 Days

Day: 5.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,369,371 km

• M1: 179,667 km (0.086 R)
• M2: 687,253 km (0.096 R)
• M3: 1,520,962 km (0.077 R)
• M4: 2,847,745 km (0.068 R)
• M5: 5,520,161 km (0.075 R)
• M6: 6,587,692 km (0.044 R)
• M7: 7,417,362 km (0.089 R)
• M8: 9,837,706 km (0.081 R)
• M9: 10,965,674 km (0.115 R)
• M10: 12,178,314 km (0.077 R)
• M11: 12,745,140 km (0.074 R)
• M12: 13,478,469 km (0.092 R)
• M13: 14,657,450 km (0.106 R)
• M14: 16,184,246 km (0.115 R)
• M15: 16,754,363 km (0.095 R)
• M16: 17,456,426 km (0.078 R)
• M17: 19,107,687 km (0.04 R)
• M18: 20,927,994 km (0.112 R)
• M19: 23,003,814 km (0.086 R)
• M20: 25,518,704 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.7

Radius: 12.7

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.21 AU - 6.39 AU

Year: 8422 Days

Day: 14.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,369,371 km

• M1: 158,125 km (0.116 R)
• M2: 607,667 km (0.114 R)
• M3: 1,116,599 km (0.091 R)
• M4: 1,911,562 km (0.091 R)
• M5: 2,334,026 km (0.091 R)
• M6: 3,076,630 km (0.041 R)
• M7: 3,686,241 km (0.074 R)
• M8: 4,975,625 km (0.083 R)
• M9: 6,615,367 km (0.111 R)
• M10: 7,827,709 km (0.089 R)
• M11: 10,357,109 km (0.094 R)
• M12: 13,898,540 km (0.07 R)
• M13: 16,773,212 km (0.103 R)
• M14: 19,370,680 km (0.033 R)
• M15: 21,834,856 km (0.091 R)
• M16: 22,541,557 km (0.108 R)
• M17: 34,951,448 km (0.077 R)
• M18: 37,014,702 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.7

Radius: 7.8

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.31 AU - 8.31 AU

Year: 12267 Days

Day: 23.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,369,371 km

• M1: 97,239 km (0.063 R)
• M2: 532,568 km (0.077 R)
• M3: 830,268 km (0.116 R)
• M4: 1,263,354 km (0.091 R)
• M5: 1,793,828 km (0.077 R)
• M6: 2,068,041 km (0.026 R)
• M7: 2,503,371 km (0.081 R)
• M8: 3,316,286 km (0.037 R)
• M9: 3,809,510 km (0.054 R)
• M10: 4,238,407 km (0.087 R)
• M11: 4,522,643 km (0.032 R)
• M12: 5,129,561 km (0.118 R)
• M13: 5,387,019 km (0.119 R)
• M14: 5,720,922 km (0.04 R)
• M15: 6,068,737 km (0.091 R)
• M16: 6,357,162 km (0.079 R)
• M17: 6,654,562 km (0.1 R)
• M18: 7,317,580 km (0.093 R)
• M19: 8,066,916 km (0.096 R)
• M20: 10,673,808 km (0.109 R)
• M21: 16,138,319 km (0.109 R)
• M22: 18,061,400 km (0.113 R)
• M23: 28,173,318 km (0.098 R)
• M24: 28,573,343 km (0.109 R)
• M25: 33,451,281 km (0.072 R)
• M26: 34,239,213 km (0.117 R)
• M27: 36,795,990 km (0.116 R)
• M28: 37,514,658 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 654.3

Radius: 6.1

Gravity: 17.58 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.14 AU - 8.06 AU

Year: 14462 Days

Day: 17.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,369,371 km

• M1: 78,688 km (0.093 R)
• M2: 543,938 km (0.08 R)
• M3: 753,524 km (0.067 R)
• M4: 1,262,606 km (0.08 R)
• M5: 1,608,028 km (0.092 R)
• M6: 2,203,427 km (0.068 R)
• M7: 2,487,663 km (0.033 R)
• M8: 2,983,730 km (0.099 R)
• M9: 3,306,562 km (0.112 R)
• M10: 5,353,210 km (0.086 R)
• M11: 6,098,956 km (0.107 R)
• M12: 6,375,712 km (0.088 R)
• M13: 6,827,497 km (0.068 R)
• M14: 7,039,777 km (0.047 R)
• M15: 7,749,020 km (0.104 R)
• M16: 8,701,211 km (0.115 R)
• M17: 9,464,758 km (0.057 R)
• M18: 10,383,289 km (0.079 R)
• M19: 11,300,623 km (0.106 R)
• M20: 13,694,189 km (0.082 R)
• M21: 13,896,445 km (0.105 R)
• M22: 15,296,083 km (0.085 R)
• M23: 15,881,460 km (0.066 R)
• M24: 18,867,283 km (0.055 R)
• M25: 20,756,555 km (0.052 R)
• M26: 21,023,587 km (0.104 R)
• M27: 22,862,743 km (0.083 R)
• M28: 26,438,880 km (0.12 R)
• M29: 28,141,603 km (0.103 R)
• M30: 33,319,784 km (0.081 R)
• M31: 33,931,639 km (0.093 R)
• M32: 37,103,563 km (0.06 R)
• M33: 38,694,088 km (0.073 R)
• M34: 39,506,105 km (0.083 R)
• M35: 44,176,550 km (0.087 R)
• M36: 48,886,939 km (0.087 R)
• M37: 58,756,060 km (0.114 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: 155 - 16,460 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit