🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.2

Radius: 9.9

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.7 AU - 1.06 AU

Year: 550 Days

Day: 8.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,652,065 km

• M1: 123,119 km (0.112 R)
• M2: 438,023 km (0.106 R)
• M3: 749,485 km (0.098 R)
• M4: 1,183,020 km (0.095 R)
• M5: 1,576,163 km (0.119 R)
• M6: 1,978,432 km (0.119 R)
• M7: 2,322,058 km (0.104 R)
• M8: 2,737,791 km (0.083 R)
• M9: 3,167,137 km (0.088 R)
• M10: 3,680,407 km (0.034 R)
• M11: 4,119,028 km (0.111 R)
• M12: 4,515,761 km (0.031 R)
• M13: 4,873,899 km (0.12 R)
• M14: 5,403,774 km (0.118 R)
• M15: 5,718,379 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296

Radius: 12.3

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.74 AU - 1.2 AU

Year: 637 Days

Day: 11.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,652,065 km

• M1: 153,039 km (0.082 R)
• M2: 569,818 km (0.103 R)
• M3: 1,173,296 km (0.109 R)
• M4: 1,734,288 km (0.12 R)
• M5: 2,270,896 km (0.06 R)
• M6: 2,752,152 km (0.094 R)
• M7: 3,657,967 km (0.093 R)
• M8: 4,255,311 km (0.07 R)
• M9: 4,886,914 km (0.067 R)
• M10: 5,304,890 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.9

Radius: 14.9

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.52 AU - 1.92 AU

Year: 1504 Days

Day: 5.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,652,065 km

• M1: 185,352 km (0.091 R)
• M2: 824,583 km (0.025 R)
• M3: 1,341,743 km (0.119 R)
• M4: 1,833,023 km (0.092 R)
• M5: 2,458,641 km (0.053 R)
• M6: 3,355,630 km (0.053 R)
• M7: 3,832,847 km (0.117 R)
• M8: 4,792,966 km (0.078 R)
• M9: 5,279,907 km (0.106 R)
• M10: 6,895,863 km (0.112 R)
• M11: 7,544,819 km (0.098 R)
• M12: 8,793,213 km (0.117 R)
• M13: 9,377,243 km (0.069 R)
• M14: 10,333,772 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.4

Radius: 8.1

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.78 AU - 1.88 AU

Year: 1651 Days

Day: 11 Hours

Environment

Temp: -188 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,652,065 km

• M1: 101,128 km (0.109 R)
• M2: 365,318 km (0.119 R)
• M3: 1,873,713 km (0.105 R)
• M4: 2,227,363 km (0.032 R)
• M5: 3,712,122 km (0.112 R)
• M6: 5,090,367 km (0.049 R)
• M7: 5,913,454 km (0.094 R)
• M8: 6,376,759 km (0.09 R)
• M9: 7,159,604 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.5

Radius: 4.9

Gravity: 34.71 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.21 AU - 7.93 AU

Year: 12536 Days

Day: 17.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,652,065 km

• M1: 60,886 km (0.059 R)
• M2: 269,725 km (0.097 R)
• M3: 737,966 km (0.045 R)
• M4: 1,217,876 km (0.057 R)
• M5: 1,480,720 km (0.111 R)
• M6: 2,587,445 km (0.088 R)
• M7: 3,779,740 km (0.096 R)
• M8: 4,495,715 km (0.052 R)
• M9: 5,476,778 km (0.101 R)
• M10: 6,716,346 km (0.068 R)
• M11: 7,669,883 km (0.085 R)
• M12: 11,067,699 km (0.074 R)
• M13: 11,898,715 km (0.109 R)
• M14: 12,082,122 km (0.092 R)
• M15: 12,517,303 km (0.109 R)
• M16: 14,363,191 km (0.066 R)
• M17: 15,935,016 km (0.081 R)
• M18: 18,420,883 km (0.095 R)
• M19: 18,584,394 km (0.105 R)
• M20: 20,798,143 km (0.051 R)
• M21: 22,616,206 km (0.106 R)
• M22: 25,741,156 km (0.083 R)
• M23: 26,878,399 km (0.084 R)
• M24: 31,180,834 km (0.043 R)
• M25: 35,539,667 km (0.083 R)
• M26: 37,078,431 km (0.113 R)
• M27: 42,956,281 km (0.061 R)
• M28: 43,532,681 km (0.115 R)
• M29: 44,996,197 km (0.112 R)
• M30: 47,099,842 km (0.097 R)
• M31: 48,642,047 km (0.107 R)
• M32: 51,340,344 km (0.051 R)
• M33: 54,640,622 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.4

Radius: 7.3

Gravity: 10.74 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.17 AU - 9.63 AU

Year: 14807 Days

Day: 20.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,652,065 km

• M1: 90,806 km (0.072 R)
• M2: 415,583 km (0.08 R)
• M3: 731,534 km (0.115 R)
• M4: 973,284 km (0.108 R)
• M5: 3,105,502 km (0.103 R)
• M6: 5,356,352 km (0.105 R)
• M7: 8,613,247 km (0.046 R)
• M8: 13,317,801 km (0.062 R)
• M9: 15,951,471 km (0.118 R)
• M10: 17,546,633 km (0.104 R)
• M11: 18,342,345 km (0.047 R)
• M12: 21,496,466 km (0.069 R)
• M13: 21,767,089 km (0.101 R)
• M14: 26,411,504 km (0.083 R)
• M15: 34,676,487 km (0.103 R)
• M16: 36,054,732 km (0.084 R)
• M17: 45,395,025 km (0.055 R)
• M18: 45,840,677 km (0.118 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 13,140 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit