🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.85 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95

Radius: 11

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.32 AU - 2.06 AU

Year: 1516 Days

Day: 9.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,800,147 km

• M1: 137,480 km (0.117 R)
• M2: 498,759 km (0.082 R)
• M3: 1,001,707 km (0.119 R)
• M4: 1,378,096 km (0.108 R)
• M5: 1,850,376 km (0.1 R)
• M6: 2,217,788 km (0.098 R)
• M7: 3,090,842 km (0.113 R)
• M8: 3,574,043 km (0.116 R)
• M9: 5,147,064 km (0.111 R)
• M10: 6,412,513 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.7

Radius: 10.1

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.12 AU - 2.38 AU

Year: 2330 Days

Day: 12.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 80,800,147 km

• M1: 126,261 km (0.067 R)
• M2: 1,012,778 km (0.043 R)
• M3: 1,440,627 km (0.116 R)
• M4: 2,088,536 km (0.112 R)
• M5: 3,052,545 km (0.05 R)
• M6: 5,260,908 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.5

Radius: 11.6

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.7 AU - 2.72 AU

Year: 3079 Days

Day: 7.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,800,147 km

• M1: 144,212 km (0.065 R)
• M2: 867,069 km (0.091 R)
• M3: 1,457,233 km (0.055 R)
• M4: 1,869,225 km (0.117 R)
• M5: 2,870,035 km (0.03 R)
• M6: 3,363,110 km (0.086 R)
• M7: 4,520,249 km (0.079 R)
• M8: 6,113,915 km (0.087 R)
• M9: 7,083,310 km (0.083 R)
• M10: 8,520,347 km (0.077 R)
• M11: 10,846,893 km (0.066 R)
• M12: 16,082,968 km (0.105 R)
• M13: 16,770,520 km (0.039 R)
• M14: 17,477,519 km (0.071 R)
• M15: 20,322,272 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.7

Radius: 8.6

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.95 AU - 4.45 AU

Year: 4913 Days

Day: 13.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,800,147 km

• M1: 106,962 km (0.115 R)
• M2: 400,324 km (0.092 R)
• M3: 891,603 km (0.112 R)
• M4: 2,667,480 km (0.092 R)
• M5: 4,361,526 km (0.065 R)
• M6: 5,775,076 km (0.06 R)
• M7: 8,330,657 km (0.068 R)
• M8: 9,035,263 km (0.098 R)
• M9: 12,750,675 km (0.094 R)
• M10: 13,212,634 km (0.066 R)
• M11: 16,601,175 km (0.047 R)
• M12: 21,420,770 km (0.081 R)
• M13: 21,745,696 km (0.102 R)
• M14: 22,073,914 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.4

Radius: 14.5

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.32 AU - 4.54 AU

Year: 5378 Days

Day: 13.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,800,147 km

• M1: 202,256 km (0.091 R)
• M2: 720,015 km (0.04 R)
• M3: 1,868,328 km (0.084 R)
• M4: 3,086,354 km (0.085 R)
• M5: 3,614,733 km (0.049 R)
• M6: 4,979,515 km (0.118 R)
• M7: 6,335,769 km (0.076 R)
• M8: 7,621,712 km (0.065 R)
• M9: 8,926,056 km (0.052 R)
• M10: 12,156,772 km (0.113 R)
• M11: 23,003,515 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.5

Radius: 6.2

Gravity: 22.49 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.25 AU - 10.29 AU

Year: 19482 Days

Day: 21.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,800,147 km

• M1: 77,043 km (0.104 R)
• M2: 275,709 km (0.107 R)
• M3: 563,685 km (0.105 R)
• M4: 782,696 km (0.063 R)
• M5: 1,683,724 km (0.077 R)
• M6: 2,278,525 km (0.053 R)
• M7: 2,673,015 km (0.107 R)
• M8: 3,031,152 km (0.09 R)
• M9: 3,479,048 km (0.089 R)
• M10: 5,888,471 km (0.061 R)
• M11: 6,675,955 km (0.084 R)
• M12: 9,004,445 km (0.031 R)
• M13: 9,987,004 km (0.033 R)
• M14: 10,350,228 km (0.048 R)
• M15: 10,785,109 km (0.113 R)
• M16: 11,038,976 km (0.071 R)
• M17: 11,691,373 km (0.113 R)
• M18: 12,577,441 km (0.112 R)
• M19: 15,263,770 km (0.106 R)
• M20: 15,664,842 km (0.039 R)
• M21: 16,072,795 km (0.099 R)
• M22: 16,487,929 km (0.113 R)
• M23: 18,399,641 km (0.113 R)
• M24: 22,041,601 km (0.062 R)
• M25: 26,826,638 km (0.104 R)
• M26: 27,646,584 km (0.055 R)
• M27: 34,679,928 km (0.104 R)
• M28: 36,929,880 km (0.093 R)
• M29: 39,876,659 km (0.116 R)
• M30: 43,775,927 km (0.064 R)
• M31: 52,503,617 km (0.032 R)
• M32: 53,050,397 km (0.096 R)
• M33: 55,652,053 km (0.1 R)
• M34: 60,707,265 km (0.1 R)
• M35: 60,907,576 km (0.108 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 13,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit