🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666

Radius: 12.6

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.53 AU - 0.55 AU

Year: 274 Days

Day: 10.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,139,173 km

• M1: 156,779 km (0.087 R)
• M2: 610,808 km (0.104 R)
• M3: 1,063,790 km (0.056 R)
• M4: 2,077,316 km (0.096 R)
• M5: 2,674,361 km (0.105 R)
• M6: 3,501,338 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.6

Radius: 8.7

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.88 AU - 1.12 AU

Year: 690 Days

Day: 5.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,139,173 km

• M1: 108,458 km (0.066 R)
• M2: 389,403 km (0.085 R)
• M3: 814,560 km (0.069 R)
• M4: 1,098,796 km (0.115 R)
• M5: 1,625,530 km (0.11 R)
• M6: 1,955,543 km (0.103 R)
• M7: 2,385,039 km (0.067 R)
• M8: 2,702,037 km (0.075 R)
• M9: 3,014,696 km (0.12 R)
• M10: 3,903,906 km (0.063 R)
• M11: 4,515,761 km (0.091 R)
• M12: 4,867,466 km (0.099 R)
• M13: 5,174,441 km (0.036 R)
• M14: 5,559,805 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375

Radius: 13.5

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.06 AU - 1.4 AU

Year: 942 Days

Day: 13.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,139,173 km

• M1: 167,849 km (0.07 R)
• M2: 593,754 km (0.097 R)
• M3: 1,131,857 km (0.107 R)
• M4: 1,608,925 km (0.092 R)
• M5: 2,071,183 km (0.089 R)
• M6: 2,677,951 km (0.08 R)
• M7: 3,196,607 km (0.04 R)
• M8: 3,853,192 km (0.104 R)
• M9: 4,376,037 km (0.095 R)
• M10: 4,946,154 km (0.109 R)
• M11: 5,383,579 km (0.041 R)
• M12: 6,316,471 km (0.114 R)
• M13: 6,832,584 km (0.119 R)
• M14: 7,557,086 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.7

Radius: 13.6

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.06 AU - 6.18 AU

Year: 7997 Days

Day: 12.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,139,173 km

• M1: 169,345 km (0.068 R)
• M2: 596,596 km (0.113 R)
• M3: 1,355,656 km (0.095 R)
• M4: 2,236,488 km (0.096 R)
• M5: 3,555,343 km (0.065 R)
• M6: 4,336,842 km (0.11 R)
• M7: 5,341,542 km (0.094 R)
• M8: 7,023,770 km (0.053 R)
• M9: 9,967,557 km (0.091 R)
• M10: 13,356,995 km (0.109 R)
• M11: 14,699,337 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.6

Radius: 4.1

Gravity: 20.98 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5 AU - 6.5 AU

Year: 9517 Days

Day: 20.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,139,173 km

• M1: 51,013 km (0.069 R)
• M2: 249,978 km (0.061 R)
• M3: 425,008 km (0.12 R)
• M4: 576,999 km (0.098 R)
• M5: 710,889 km (0.105 R)
• M6: 1,372,710 km (0.112 R)
• M7: 2,152,713 km (0.099 R)
• M8: 2,742,428 km (0.118 R)
• M9: 2,940,795 km (0.085 R)
• M10: 3,616,977 km (0.064 R)
• M11: 4,207,440 km (0.044 R)
• M12: 4,444,553 km (0.028 R)
• M13: 4,802,840 km (0.113 R)
• M14: 5,960,877 km (0.077 R)
• M15: 7,033,942 km (0.068 R)
• M16: 7,988,377 km (0.094 R)
• M17: 8,148,746 km (0.038 R)
• M18: 8,311,209 km (0.09 R)
• M19: 8,811,763 km (0.079 R)
• M20: 9,243,952 km (0.097 R)
• M21: 9,376,346 km (0.083 R)
• M22: 10,244,313 km (0.095 R)
• M23: 13,962,717 km (0.099 R)
• M24: 14,609,279 km (0.095 R)
• M25: 16,408,942 km (0.074 R)
• M26: 20,741,745 km (0.052 R)
• M27: 21,197,569 km (0.104 R)
• M28: 25,605,022 km (0.068 R)
• M29: 28,392,030 km (0.119 R)
• M30: 29,237,408 km (0.089 R)
• M31: 30,488,196 km (0.075 R)
• M32: 31,374,563 km (0.111 R)
• M33: 31,773,989 km (0.114 R)
• M34: 34,347,821 km (0.082 R)
• M35: 36,946,037 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.7

Radius: 4.9

Gravity: 30.89 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.92 AU - 8.12 AU

Year: 12839 Days

Day: 17.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,139,173 km

• M1: 61,335 km (0.103 R)
• M2: 336,296 km (0.103 R)
• M3: 979,417 km (0.086 R)
• M4: 1,791,285 km (0.118 R)
• M5: 2,000,124 km (0.066 R)
• M6: 2,885,294 km (0.087 R)
• M7: 3,247,919 km (0.089 R)
• M8: 3,506,275 km (0.11 R)
• M9: 4,122,768 km (0.025 R)
• M10: 5,388,964 km (0.083 R)
• M11: 6,564,803 km (0.096 R)
• M12: 7,105,450 km (0.108 R)
• M13: 7,277,637 km (0.12 R)
• M14: 7,541,079 km (0.119 R)
• M15: 7,856,431 km (0.093 R)
• M16: 8,180,610 km (0.076 R)
• M17: 9,671,502 km (0.052 R)
• M18: 9,829,926 km (0.058 R)
• M19: 10,873,820 km (0.078 R)
• M20: 11,334,731 km (0.114 R)
• M21: 13,050,769 km (0.072 R)
• M22: 13,703,315 km (0.113 R)
• M23: 14,862,399 km (0.043 R)
• M24: 17,844,333 km (0.084 R)
• M25: 19,558,874 km (0.118 R)
• M26: 23,122,894 km (0.073 R)
• M27: 26,268,189 km (0.03 R)
• M28: 31,042,157 km (0.07 R)
• M29: 38,307,527 km (0.077 R)
• M30: 54,392,439 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.5

Radius: 5

Gravity: 24.86 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.33 AU - 9.33 AU

Year: 15124 Days

Day: 20.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,139,173 km

• M1: 62,233 km (0.057 R)
• M2: 240,853 km (0.108 R)
• M3: 442,660 km (0.119 R)
• M4: 694,882 km (0.034 R)
• M5: 1,304,942 km (0.053 R)
• M6: 1,694,794 km (0.109 R)
• M7: 2,158,847 km (0.051 R)
• M8: 3,334,836 km (0.107 R)
• M9: 3,769,418 km (0.078 R)
• M10: 4,059,787 km (0.097 R)
• M11: 4,750,780 km (0.118 R)
• M12: 6,732,652 km (0.103 R)
• M13: 9,052,616 km (0.115 R)
• M14: 9,894,852 km (0.073 R)
• M15: 10,845,846 km (0.112 R)
• M16: 12,040,833 km (0.114 R)
• M17: 12,606,164 km (0.025 R)
• M18: 12,863,023 km (0.093 R)
• M19: 13,387,214 km (0.097 R)
• M20: 13,993,834 km (0.108 R)
• M21: 14,199,979 km (0.078 R)
• M22: 15,407,085 km (0.095 R)
• M23: 15,998,146 km (0.042 R)
• M24: 16,604,316 km (0.051 R)
• M25: 16,835,445 km (0.045 R)
• M26: 17,383,273 km (0.035 R)
• M27: 18,929,815 km (0.111 R)
• M28: 20,126,449 km (0.116 R)
• M29: 21,646,363 km (0.074 R)
• M30: 21,922,371 km (0.115 R)
• M31: 24,017,938 km (0.037 R)
• M32: 29,269,871 km (0.05 R)
• M33: 33,738,060 km (0.078 R)
• M34: 35,111,518 km (0.12 R)
• M35: 43,264,901 km (0.073 R)
• M36: 47,932,953 km (0.077 R)
• M37: 57,723,535 km (0.075 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: 167 - 10,245 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit