🌌 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: 92.5

Radius: 8.6

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.69 AU - 0.75 AU

Year: 394 Days

Day: 6.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,082,661 km

• M1: 106,962 km (0.072 R)
• M2: 380,876 km (0.042 R)
• M3: 699,370 km (0.115 R)
• M4: 1,191,547 km (0.077 R)
• M5: 1,652,608 km (0.037 R)
• M6: 2,173,807 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.8

Radius: 14.9

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.5 AU - 3.04 AU

Year: 2977 Days

Day: 11 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,082,661 km

• M1: 185,352 km (0.083 R)
• M2: 775,515 km (0.081 R)
• M3: 1,280,109 km (0.12 R)
• M4: 1,986,660 km (0.103 R)
• M5: 2,469,412 km (0.047 R)
• M6: 3,083,511 km (0.107 R)
• M7: 4,693,184 km (0.058 R)
• M8: 5,485,604 km (0.089 R)
• M9: 7,531,505 km (0.109 R)
• M10: 8,303,579 km (0.092 R)
• M11: 9,164,964 km (0.101 R)
• M12: 11,108,689 km (0.068 R)
• M13: 12,245,334 km (0.037 R)
• M14: 14,094,064 km (0.115 R)
• M15: 17,008,979 km (0.069 R)
• M16: 17,869,166 km (0.081 R)
• M17: 19,490,359 km (0.105 R)
• M18: 23,441,388 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.2

Radius: 11.8

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.33 AU - 3.85 AU

Year: 3507 Days

Day: 7.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,082,661 km

• M1: 146,756 km (0.073 R)
• M2: 640,578 km (0.073 R)
• M3: 1,010,384 km (0.058 R)
• M4: 1,634,806 km (0.079 R)
• M5: 2,225,119 km (0.056 R)
• M6: 3,053,143 km (0.063 R)
• M7: 4,158,970 km (0.087 R)
• M8: 4,792,517 km (0.105 R)
• M9: 5,464,361 km (0.089 R)
• M10: 6,703,780 km (0.071 R)
• M11: 7,607,650 km (0.116 R)
• M12: 8,591,107 km (0.059 R)
• M13: 9,843,241 km (0.079 R)
• M14: 10,769,850 km (0.112 R)
• M15: 12,486,037 km (0.106 R)
• M16: 16,137,870 km (0.044 R)
• M17: 16,826,918 km (0.051 R)
• M18: 17,813,217 km (0.112 R)
• M19: 18,434,646 km (0.065 R)
• M20: 20,386,151 km (0.026 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903

Radius: 7.6

Gravity: 15.63 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.83 AU - 8.95 AU

Year: 12971 Days

Day: 15.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,082,661 km

• M1: 99,483 km (0.096 R)
• M2: 502,649 km (0.115 R)
• M3: 741,108 km (0.067 R)
• M4: 1,524,253 km (0.115 R)
• M5: 2,082,851 km (0.109 R)
• M6: 2,886,940 km (0.034 R)
• M7: 3,712,122 km (0.108 R)
• M8: 4,555,554 km (0.071 R)
• M9: 5,744,409 km (0.087 R)
• M10: 6,533,537 km (0.114 R)
• M11: 7,896,524 km (0.118 R)
• M12: 9,334,309 km (0.057 R)
• M13: 10,422,484 km (0.109 R)
• M14: 11,653,525 km (0.073 R)
• M15: 12,462,550 km (0.083 R)
• M16: 15,406,038 km (0.119 R)
• M17: 17,957,429 km (0.115 R)
• M18: 24,776,699 km (0.101 R)
• M19: 25,387,058 km (0.086 R)
• M20: 26,216,279 km (0.054 R)
• M21: 28,478,647 km (0.09 R)
• M22: 32,171,620 km (0.085 R)
• M23: 32,897,769 km (0.071 R)
• M24: 33,511,269 km (0.095 R)
• M25: 39,656,301 km (0.117 R)
• M26: 40,772,002 km (0.094 R)
• M27: 41,622,316 km (0.109 R)
• M28: 42,920,078 km (0.112 R)
• M29: 46,665,859 km (0.083 R)
• M30: 51,113,404 km (0.103 R)
• M31: 54,800,243 km (0.095 R)
• M32: 56,183,575 km (0.047 R)
• M33: 56,533,035 km (0.099 R)
• M34: 57,590,243 km (0.106 R)
• M35: 59,381,229 km (0.041 R)
• M36: 61,579,121 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578.4

Radius: 6.1

Gravity: 15.54 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 9.93 AU - 10.39 AU

Year: 20910 Days

Day: 19.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,082,661 km

• M1: 75,996 km (0.051 R)
• M2: 287,826 km (0.075 R)
• M3: 633,098 km (0.064 R)
• M4: 896,540 km (0.096 R)
• M5: 1,376,600 km (0.081 R)
• M6: 1,937,442 km (0.073 R)
• M7: 3,443,145 km (0.086 R)
• M8: 5,139,285 km (0.048 R)
• M9: 6,209,658 km (0.115 R)
• M10: 7,759,492 km (0.114 R)
• M11: 8,007,376 km (0.098 R)
• M12: 8,782,741 km (0.114 R)
• M13: 10,421,885 km (0.079 R)
• M14: 10,907,779 km (0.114 R)
• M15: 11,472,212 km (0.083 R)
• M16: 11,664,595 km (0.113 R)
• M17: 12,055,943 km (0.113 R)
• M18: 20,119,866 km (0.095 R)
• M19: 20,967,937 km (0.061 R)
• M20: 21,159,721 km (0.107 R)
• M21: 28,161,650 km (0.106 R)
• M22: 35,061,103 km (0.065 R)
• M23: 40,286,557 km (0.068 R)
• M24: 46,332,106 km (0.068 R)
• M25: 47,312,720 km (0.091 R)
• M26: 49,995,309 km (0.114 R)
• M27: 51,897,446 km (0.095 R)
• M28: 59,795,914 km (0.094 R)
• M29: 64,534,577 km (0.112 R)
• M30: 66,787,670 km (0.064 R)
• M31: 66,995,162 km (0.096 R)
• M32: 72,978,030 km (0.078 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 14,112 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit