🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.6

Radius: 12.2

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.86 AU - 1.38 AU

Year: 765 Days

Day: 6.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,211,640 km

• M1: 151,692 km (0.083 R)
• M2: 572,661 km (0.108 R)
• M3: 1,007,990 km (0.119 R)
• M4: 1,408,314 km (0.117 R)
• M5: 1,925,624 km (0.068 R)
• M6: 2,923,890 km (0.115 R)
• M7: 3,613,088 km (0.063 R)
• M8: 4,331,158 km (0.117 R)
• M9: 5,073,761 km (0.073 R)
• M10: 5,458,078 km (0.061 R)
• M11: 5,861,843 km (0.093 R)
• M12: 6,484,918 km (0.117 R)
• M13: 6,980,835 km (0.109 R)
• M14: 7,413,472 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.9

Radius: 14.3

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.1 AU - 4.76 AU

Year: 5030 Days

Day: 8.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,211,640 km

• M1: 180,415 km (0.102 R)
• M2: 632,201 km (0.109 R)
• M3: 1,165,517 km (0.086 R)
• M4: 2,635,166 km (0.045 R)
• M5: 3,125,249 km (0.061 R)
• M6: 4,679,122 km (0.087 R)
• M7: 5,463,613 km (0.096 R)
• M8: 6,334,273 km (0.111 R)
• M9: 7,295,739 km (0.085 R)
• M10: 8,471,279 km (0.052 R)
• M11: 9,551,824 km (0.101 R)
• M12: 10,816,225 km (0.118 R)
• M13: 11,293,891 km (0.025 R)
• M14: 14,751,547 km (0.076 R)
• M15: 16,066,512 km (0.087 R)
• M16: 16,689,587 km (0.063 R)
• M17: 23,044,804 km (0.027 R)
• M18: 28,983,690 km (0.107 R)
• M19: 30,188,850 km (0.09 R)
• M20: 31,912,517 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.3

Radius: 9.5

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.56 AU - 5.06 AU

Year: 5777 Days

Day: 10.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,211,640 km

• M1: 118,182 km (0.079 R)
• M2: 843,134 km (0.111 R)
• M3: 1,168,210 km (0.078 R)
• M4: 2,179,491 km (0.098 R)
• M5: 4,133,389 km (0.094 R)
• M6: 5,223,210 km (0.087 R)
• M7: 10,473,945 km (0.037 R)
• M8: 13,571,519 km (0.09 R)
• M9: 21,238,709 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 734.6

Radius: 4

Gravity: 45.91 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.09 AU - 8.33 AU

Year: 12500 Days

Day: 18.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,211,640 km

• M1: 49,816 km (0.096 R)
• M2: 300,692 km (0.107 R)
• M3: 439,967 km (0.091 R)
• M4: 715,078 km (0.103 R)
• M5: 866,022 km (0.112 R)
• M6: 1,169,407 km (0.073 R)
• M7: 1,422,825 km (0.083 R)
• M8: 1,827,637 km (0.083 R)
• M9: 1,984,416 km (0.032 R)
• M10: 2,188,318 km (0.097 R)
• M11: 2,365,292 km (0.077 R)
• M12: 3,772,858 km (0.039 R)
• M13: 3,998,901 km (0.104 R)
• M14: 4,447,395 km (0.08 R)
• M15: 4,862,380 km (0.053 R)
• M16: 5,659,138 km (0.117 R)
• M17: 5,880,543 km (0.103 R)
• M18: 7,506,971 km (0.101 R)
• M19: 8,711,533 km (0.094 R)
• M20: 9,258,014 km (0.066 R)
• M21: 11,263,672 km (0.074 R)
• M22: 12,153,181 km (0.089 R)
• M23: 12,834,600 km (0.111 R)
• M24: 13,475,926 km (0.05 R)
• M25: 15,031,444 km (0.046 R)
• M26: 17,311,914 km (0.09 R)
• M27: 17,621,881 km (0.085 R)
• M28: 19,063,406 km (0.115 R)
• M29: 19,981,788 km (0.087 R)
• M30: 20,237,450 km (0.11 R)
• M31: 31,528,350 km (0.115 R)
• M32: 32,457,502 km (0.038 R)
• M33: 34,127,313 km (0.108 R)
• M34: 35,478,781 km (0.103 R)
• M35: 40,015,785 km (0.106 R)
• M36: 40,557,778 km (0.066 R)
• M37: 41,104,558 km (0.081 R)
• M38: 41,241,889 km (0.077 R)
• M39: 42,774,370 km (0.094 R)
• M40: 53,424,242 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.3

Radius: 6.6

Gravity: 18.99 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.72 AU - 10.32 AU

Year: 18966 Days

Day: 17.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,211,640 km

• M1: 97,388 km (0.085 R)
• M2: 925,412 km (0.063 R)
• M3: 1,471,145 km (0.113 R)
• M4: 2,477,939 km (0.106 R)
• M5: 2,889,782 km (0.111 R)
• M6: 3,374,778 km (0.107 R)
• M7: 4,403,114 km (0.087 R)
• M8: 4,897,236 km (0.085 R)
• M9: 5,388,366 km (0.079 R)
• M10: 6,293,882 km (0.092 R)
• M11: 6,513,192 km (0.085 R)
• M12: 6,874,471 km (0.077 R)
• M13: 7,637,420 km (0.075 R)
• M14: 10,264,209 km (0.077 R)
• M15: 13,151,897 km (0.051 R)
• M16: 18,255,727 km (0.112 R)
• M17: 18,522,909 km (0.065 R)
• M18: 20,467,382 km (0.064 R)
• M19: 21,737,019 km (0.094 R)
• M20: 23,685,980 km (0.088 R)
• M21: 24,757,101 km (0.114 R)
• M22: 25,748,337 km (0.113 R)
• M23: 27,110,874 km (0.083 R)
• M24: 29,732,577 km (0.115 R)
• M25: 35,750,750 km (0.088 R)
• M26: 41,296,492 km (0.073 R)
• M27: 44,112,822 km (0.084 R)
• M28: 44,433,410 km (0.108 R)
• M29: 47,054,514 km (0.056 R)
• M30: 51,708,205 km (0.12 R)
• M31: 52,064,697 km (0.058 R)
• M32: 63,332,408 km (0.096 R)
• M33: 65,182,635 km (0.062 R)
• M34: 66,016,344 km (0.109 R)
• M35: 69,639,006 km (0.113 R)
• M36: 69,856,222 km (0.056 R)
• M37: 73,167,720 km (0.032 R)
• M38: 74,521,132 km (0.042 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: 297 - 16,158 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit