🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.1

Radius: 13.5

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.81 AU - 0.87 AU

Year: 522 Days

Day: 8.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,864,820 km

• M1: 167,849 km (0.072 R)
• M2: 591,061 km (0.08 R)
• M3: 1,014,573 km (0.118 R)
• M4: 1,593,367 km (0.098 R)
• M5: 2,277,628 km (0.081 R)
• M6: 2,893,372 km (0.114 R)
• M7: 3,586,160 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661

Radius: 14.2

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.28 AU - 2.7 AU

Year: 2665 Days

Day: 12.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,864,820 km

• M1: 176,525 km (0.119 R)
• M2: 717,322 km (0.084 R)
• M3: 1,161,179 km (0.1 R)
• M4: 1,787,695 km (0.084 R)
• M5: 2,246,810 km (0.029 R)
• M6: 2,894,120 km (0.088 R)
• M7: 3,358,023 km (0.069 R)
• M8: 4,068,314 km (0.081 R)
• M9: 4,610,606 km (0.072 R)
• M10: 5,083,635 km (0.101 R)
• M11: 6,562,410 km (0.097 R)
• M12: 7,958,308 km (0.068 R)
• M13: 9,190,096 km (0.119 R)
• M14: 10,054,772 km (0.097 R)
• M15: 12,497,705 km (0.064 R)
• M16: 13,742,210 km (0.109 R)
• M17: 14,206,263 km (0.1 R)
• M18: 14,970,409 km (0.065 R)
• M19: 15,412,321 km (0.047 R)
• M20: 16,270,713 km (0.098 R)
• M21: 17,699,223 km (0.109 R)
• M22: 18,980,978 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.4

Radius: 12.7

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.48 AU - 5.66 AU

Year: 6626 Days

Day: 7 Hours

Environment

Temp: -223 °C

Axial Tilt: 101.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,864,820 km

• M1: 160,519 km (0.103 R)
• M2: 824,583 km (0.116 R)
• M3: 2,305,602 km (0.1 R)
• M4: 3,179,104 km (0.097 R)
• M5: 6,050,935 km (0.047 R)
• M6: 7,181,296 km (0.107 R)
• M7: 7,779,089 km (0.092 R)
• M8: 10,376,108 km (0.114 R)
• M9: 11,049,149 km (0.105 R)
• M10: 11,513,800 km (0.105 R)
• M11: 12,885,014 km (0.079 R)
• M12: 14,527,000 km (0.087 R)
• M13: 15,774,048 km (0.116 R)
• M14: 18,222,816 km (0.072 R)
• M15: 18,872,519 km (0.037 R)
• M16: 20,356,381 km (0.108 R)
• M17: 21,340,435 km (0.113 R)
• M18: 24,955,917 km (0.103 R)
• M19: 28,093,433 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.8

Radius: 12.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.53 AU - 6.33 AU

Year: 8582 Days

Day: 9.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,864,820 km

• M1: 363,224 km (0.083 R)
• M2: 838,047 km (0.113 R)
• M3: 1,422,825 km (0.091 R)
• M4: 1,900,043 km (0.094 R)
• M5: 2,303,508 km (0.109 R)
• M6: 4,690,641 km (0.047 R)
• M7: 5,237,721 km (0.051 R)
• M8: 5,857,505 km (0.078 R)
• M9: 7,789,561 km (0.063 R)
• M10: 11,509,312 km (0.092 R)
• M11: 13,671,450 km (0.061 R)
• M12: 23,684,185 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581

Radius: 11.8

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.93 AU - 6.09 AU

Year: 8772 Days

Day: 14.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,864,820 km

• M1: 146,756 km (0.118 R)
• M2: 570,117 km (0.103 R)
• M3: 1,017,864 km (0.111 R)
• M4: 1,892,862 km (0.115 R)
• M5: 2,919,552 km (0.051 R)
• M6: 3,872,191 km (0.083 R)
• M7: 4,285,680 km (0.079 R)
• M8: 5,263,900 km (0.086 R)
• M9: 7,229,766 km (0.119 R)
• M10: 8,874,295 km (0.111 R)
• M11: 12,221,548 km (0.088 R)
• M12: 13,639,586 km (0.067 R)
• M13: 15,038,625 km (0.092 R)
• M14: 17,417,082 km (0.118 R)
• M15: 21,519,504 km (0.077 R)
• M16: 23,158,798 km (0.077 R)
• M17: 24,267,916 km (0.09 R)
• M18: 26,408,213 km (0.073 R)
• M19: 27,336,019 km (0.079 R)
• M20: 27,998,438 km (0.056 R)
• M21: 29,453,726 km (0.077 R)
• M22: 30,049,874 km (0.083 R)
• M23: 30,857,104 km (0.055 R)
• M24: 32,409,631 km (0.065 R)
• M25: 35,111,817 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.3

Radius: 5

Gravity: 28.45 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.61 AU - 10.57 AU

Year: 18588 Days

Day: 18.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,864,820 km

• M1: 71,358 km (0.065 R)
• M2: 340,485 km (0.095 R)
• M3: 541,694 km (0.111 R)
• M4: 2,673,164 km (0.069 R)
• M5: 2,918,505 km (0.091 R)
• M6: 5,533,027 km (0.058 R)
• M7: 5,850,922 km (0.108 R)
• M8: 12,194,022 km (0.081 R)
• M9: 12,664,058 km (0.091 R)
• M10: 13,076,499 km (0.05 R)
• M11: 18,570,332 km (0.106 R)
• M12: 19,192,060 km (0.073 R)
• M13: 24,463,291 km (0.097 R)
• M14: 30,135,145 km (0.069 R)
• M15: 38,595,054 km (0.102 R)
• M16: 39,170,856 km (0.09 R)
• M17: 39,898,650 km (0.083 R)
• M18: 50,026,426 km (0.12 R)
• M19: 54,949,093 km (0.099 R)
• M20: 62,724,891 km (0.074 R)
• M21: 64,929,216 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.2

Radius: 3.1

Gravity: 86.08 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.42 AU - 11.16 AU

Year: 19205 Days

Day: 22.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,864,820 km

• M1: 39,494 km (0.083 R)
• M2: 137,780 km (0.099 R)
• M3: 273,914 km (0.069 R)
• M4: 379,979 km (0.078 R)
• M5: 490,681 km (0.076 R)
• M6: 659,727 km (0.08 R)
• M7: 1,732,194 km (0.106 R)
• M8: 2,455,649 km (0.098 R)
• M9: 2,694,856 km (0.037 R)
• M10: 3,360,567 km (0.065 R)
• M11: 5,045,637 km (0.116 R)
• M12: 7,562,023 km (0.094 R)
• M13: 7,811,702 km (0.051 R)
• M14: 8,701,809 km (0.096 R)
• M15: 10,931,416 km (0.119 R)
• M16: 11,186,181 km (0.1 R)
• M17: 12,177,117 km (0.117 R)
• M18: 13,224,901 km (0.061 R)
• M19: 16,145,649 km (0.111 R)
• M20: 17,065,078 km (0.051 R)
• M21: 18,463,818 km (0.076 R)
• M22: 19,748,864 km (0.093 R)
• M23: 22,291,280 km (0.111 R)
• M24: 23,115,265 km (0.08 R)
• M25: 23,746,568 km (0.108 R)
• M26: 25,043,432 km (0.102 R)
• M27: 26,046,485 km (0.115 R)
• M28: 29,215,866 km (0.12 R)
• M29: 33,828,267 km (0.097 R)
• M30: 36,589,096 km (0.089 R)
• M31: 39,645,530 km (0.073 R)
• M32: 43,979,680 km (0.116 R)
• M33: 49,653,628 km (0.12 R)
• M34: 51,945,916 km (0.12 R)
• M35: 55,984,161 km (0.119 R)
• M36: 56,740,079 km (0.111 R)
• M37: 58,465,989 km (0.062 R)
• M38: 62,425,845 km (0.097 R)
• M39: 71,094,742 km (0.112 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: 329 - 14,604 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit