🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.6

Radius: 12.2

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.68 AU - 1.12 AU

Year: 551 Days

Day: 13.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,908,296 km

• M1: 151,842 km (0.118 R)
• M2: 712,834 km (0.092 R)
• M3: 1,211,892 km (0.092 R)
• M4: 1,655,450 km (0.054 R)
• M5: 2,466,570 km (0.115 R)
• M6: 2,951,566 km (0.112 R)
• M7: 3,716,161 km (0.057 R)
• M8: 4,560,641 km (0.101 R)
• M9: 5,209,447 km (0.075 R)
• M10: 5,861,993 km (0.09 R)
• M11: 6,267,403 km (0.076 R)
• M12: 6,671,018 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.4

Radius: 12.7

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.82 AU - 1.12 AU

Year: 617 Days

Day: 9.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,908,296 km

• M1: 158,125 km (0.086 R)
• M2: 829,670 km (0.098 R)
• M3: 1,312,721 km (0.084 R)
• M4: 2,058,616 km (0.087 R)
• M5: 2,801,519 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.9

Radius: 11.1

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.62 AU - 3.16 AU

Year: 3172 Days

Day: 8.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,908,296 km

• M1: 170,093 km (0.032 R)
• M2: 563,386 km (0.117 R)
• M3: 1,146,368 km (0.087 R)
• M4: 1,941,631 km (0.083 R)
• M5: 3,055,686 km (0.113 R)
• M6: 5,288,584 km (0.071 R)
• M7: 5,645,375 km (0.114 R)
• M8: 7,550,653 km (0.098 R)
• M9: 8,204,246 km (0.083 R)
• M10: 13,038,651 km (0.089 R)
• M11: 14,222,270 km (0.076 R)
• M12: 14,715,195 km (0.084 R)
• M13: 16,050,505 km (0.051 R)
• M14: 17,689,799 km (0.108 R)
• M15: 18,842,899 km (0.103 R)
• M16: 20,602,918 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.5

Radius: 14.1

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.53 AU - 4.55 AU

Year: 5243 Days

Day: 7.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,908,296 km

• M1: 175,329 km (0.084 R)
• M2: 615,296 km (0.106 R)
• M3: 1,284,597 km (0.081 R)
• M4: 1,767,499 km (0.082 R)
• M5: 3,295,192 km (0.112 R)
• M6: 3,783,480 km (0.109 R)
• M7: 4,802,092 km (0.1 R)
• M8: 5,905,077 km (0.069 R)
• M9: 7,594,336 km (0.087 R)
• M10: 9,842,343 km (0.082 R)
• M11: 12,453,424 km (0.074 R)
• M12: 13,649,310 km (0.096 R)
• M13: 15,613,979 km (0.119 R)
• M14: 16,633,638 km (0.108 R)
• M15: 18,805,500 km (0.111 R)
• M16: 24,254,602 km (0.079 R)
• M17: 26,366,176 km (0.052 R)
• M18: 26,870,321 km (0.094 R)
• M19: 27,724,973 km (0.102 R)
• M20: 28,862,964 km (0.086 R)
• M21: 29,940,967 km (0.036 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.6

Radius: 7

Gravity: 13.5 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 6.16 AU - 7.22 AU

Year: 11173 Days

Day: 17.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 110.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,908,296 km

• M1: 106,813 km (0.109 R)
• M2: 337,194 km (0.1 R)
• M3: 911,799 km (0.06 R)
• M4: 1,205,011 km (0.096 R)
• M5: 1,709,455 km (0.071 R)
• M6: 2,503,072 km (0.097 R)
• M7: 2,881,554 km (0.115 R)
• M8: 3,833,445 km (0.045 R)
• M9: 5,579,701 km (0.109 R)
• M10: 5,861,394 km (0.102 R)
• M11: 8,151,139 km (0.108 R)
• M12: 8,468,287 km (0.11 R)
• M13: 9,030,924 km (0.055 R)
• M14: 11,253,500 km (0.112 R)
• M15: 12,580,583 km (0.064 R)
• M16: 15,749,963 km (0.075 R)
• M17: 18,624,785 km (0.08 R)
• M18: 20,641,065 km (0.076 R)
• M19: 25,101,625 km (0.114 R)
• M20: 31,143,434 km (0.089 R)
• M21: 33,739,556 km (0.111 R)
• M22: 34,793,622 km (0.08 R)
• M23: 38,973,836 km (0.084 R)
• M24: 44,305,953 km (0.116 R)
• M25: 45,569,307 km (0.12 R)
• M26: 46,568,321 km (0.068 R)
• M27: 47,727,854 km (0.096 R)
• M28: 49,503,132 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.9

Radius: 6.8

Gravity: 17 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.65 AU - 10.91 AU

Year: 16798 Days

Day: 19.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,908,296 km

• M1: 84,523 km (0.117 R)
• M2: 470,635 km (0.113 R)
• M3: 1,463,217 km (0.115 R)
• M4: 1,939,985 km (0.096 R)
• M5: 2,194,451 km (0.088 R)
• M6: 2,699,793 km (0.103 R)
• M7: 2,942,590 km (0.118 R)
• M8: 3,500,291 km (0.119 R)
• M9: 5,037,559 km (0.095 R)
• M10: 5,331,818 km (0.086 R)
• M11: 5,598,551 km (0.119 R)
• M12: 6,410,119 km (0.098 R)
• M13: 7,484,681 km (0.071 R)
• M14: 8,622,672 km (0.081 R)
• M15: 9,369,315 km (0.069 R)
• M16: 9,590,420 km (0.067 R)
• M17: 11,051,842 km (0.074 R)
• M18: 12,061,777 km (0.109 R)
• M19: 13,548,780 km (0.054 R)
• M20: 17,045,630 km (0.029 R)
• M21: 19,177,699 km (0.115 R)
• M22: 24,273,152 km (0.099 R)
• M23: 25,433,134 km (0.068 R)
• M24: 28,900,513 km (0.083 R)
• M25: 29,369,652 km (0.078 R)
• M26: 30,564,939 km (0.064 R)
• M27: 30,929,659 km (0.116 R)
• M28: 36,482,433 km (0.045 R)
• M29: 37,583,922 km (0.078 R)
• M30: 41,762,938 km (0.07 R)
• M31: 42,816,107 km (0.087 R)
• M32: 43,120,240 km (0.08 R)
• M33: 45,447,384 km (0.088 R)
• M34: 46,081,829 km (0.119 R)
• M35: 54,339,781 km (0.118 R)
• M36: 62,159,262 km (0.102 R)
• M37: 65,124,142 km (0.093 R)
• M38: 65,728,218 km (0.084 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 17,041 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit