🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.4

Radius: 11.6

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.84 AU - 1.26 AU

Year: 717 Days

Day: 14.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,357,409 km

• M1: 144,212 km (0.098 R)
• M2: 506,090 km (0.028 R)
• M3: 930,499 km (0.071 R)
• M4: 1,430,754 km (0.082 R)
• M5: 2,651,024 km (0.08 R)
• M6: 5,004,498 km (0.076 R)
• M7: 6,244,963 km (0.087 R)
• M8: 7,728,525 km (0.082 R)
• M9: 8,221,450 km (0.115 R)
• M10: 8,787,828 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.8

Radius: 10.3

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.81 AU - 2.31 AU

Year: 1972 Days

Day: 8.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,357,409 km

• M1: 128,205 km (0.111 R)
• M2: 606,171 km (0.075 R)
• M3: 1,025,194 km (0.106 R)
• M4: 1,346,381 km (0.106 R)
• M5: 2,015,383 km (0.113 R)
• M6: 3,101,912 km (0.098 R)
• M7: 4,682,413 km (0.116 R)
• M8: 6,333,675 km (0.102 R)
• M9: 9,150,902 km (0.103 R)
• M10: 10,044,749 km (0.063 R)
• M11: 14,166,769 km (0.056 R)
• M12: 14,867,186 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.1

Radius: 14.8

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.73 AU - 4.55 AU

Year: 5617 Days

Day: 5.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 132.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,357,409 km

• M1: 184,454 km (0.111 R)
• M2: 860,337 km (0.074 R)
• M3: 1,683,874 km (0.114 R)
• M4: 2,295,579 km (0.1 R)
• M5: 3,419,508 km (0.058 R)
• M6: 4,264,736 km (0.073 R)
• M7: 5,021,701 km (0.11 R)
• M8: 6,770,949 km (0.041 R)
• M9: 7,328,201 km (0.065 R)
• M10: 8,735,618 km (0.059 R)
• M11: 9,959,478 km (0.114 R)
• M12: 11,488,219 km (0.059 R)
• M13: 14,039,910 km (0.041 R)
• M14: 14,833,676 km (0.117 R)
• M15: 16,019,239 km (0.115 R)
• M16: 16,760,497 km (0.115 R)
• M17: 18,511,989 km (0.106 R)
• M18: 25,150,843 km (0.073 R)
• M19: 27,181,036 km (0.117 R)
• M20: 28,058,427 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.5

Radius: 6.1

Gravity: 14.53 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.51 AU - 11.81 AU

Year: 20021 Days

Day: 15.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,357,409 km

• M1: 75,996 km (0.116 R)
• M2: 294,558 km (0.096 R)
• M3: 597,045 km (0.098 R)
• M4: 1,311,225 km (0.073 R)
• M5: 1,537,567 km (0.091 R)
• M6: 1,772,436 km (0.068 R)
• M7: 2,089,733 km (0.071 R)
• M8: 2,887,389 km (0.091 R)
• M9: 4,024,632 km (0.07 R)
• M10: 5,027,087 km (0.09 R)
• M11: 5,664,075 km (0.117 R)
• M12: 6,740,282 km (0.093 R)
• M13: 7,006,715 km (0.059 R)
• M14: 12,353,044 km (0.11 R)
• M15: 13,507,491 km (0.114 R)
• M16: 14,955,898 km (0.087 R)
• M17: 16,665,203 km (0.094 R)
• M18: 18,414,451 km (0.114 R)
• M19: 21,788,032 km (0.085 R)
• M20: 23,772,747 km (0.047 R)
• M21: 25,338,139 km (0.082 R)
• M22: 32,919,311 km (0.063 R)
• M23: 35,927,125 km (0.098 R)
• M24: 37,705,695 km (0.064 R)
• M25: 42,784,243 km (0.057 R)
• M26: 48,959,643 km (0.075 R)
• M27: 50,464,448 km (0.037 R)
• M28: 53,918,513 km (0.094 R)
• M29: 54,449,885 km (0.074 R)
• M30: 56,975,695 km (0.111 R)
• M31: 57,526,964 km (0.101 R)
• M32: 64,820,309 km (0.119 R)
• M33: 65,020,022 km (0.082 R)
• M34: 66,430,430 km (0.106 R)
• M35: 66,633,584 km (0.078 R)
• M36: 67,040,939 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.2

Radius: 3.1

Gravity: 35.71 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.97 AU - 12.59 AU

Year: 21980 Days

Day: 17.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,357,409 km

• M1: 49,218 km (0.091 R)
• M2: 189,840 km (0.102 R)
• M3: 592,707 km (0.09 R)
• M4: 704,905 km (0.106 R)
• M5: 1,117,646 km (0.059 R)
• M6: 1,543,252 km (0.047 R)
• M7: 3,064,512 km (0.078 R)
• M8: 6,299,118 km (0.09 R)
• M9: 6,505,413 km (0.049 R)
• M10: 7,745,430 km (0.111 R)
• M11: 9,030,176 km (0.089 R)
• M12: 9,777,717 km (0.099 R)
• M13: 10,054,323 km (0.089 R)
• M14: 12,718,213 km (0.1 R)
• M15: 13,862,038 km (0.081 R)
• M16: 18,953,452 km (0.05 R)
• M17: 20,893,437 km (0.083 R)
• M18: 40,239,583 km (0.11 R)
• M19: 40,380,804 km (0.099 R)
• M20: 52,276,228 km (0.091 R)
• M21: 52,612,823 km (0.116 R)
• M22: 53,290,501 km (0.093 R)
• M23: 60,205,065 km (0.064 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 13,238 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit