🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.7

Radius: 13.1

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.41 AU - 0.67 AU

Year: 274 Days

Day: 13.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,050,460 km

• M1: 162,912 km (0.065 R)
• M2: 622,776 km (0.119 R)
• M3: 1,039,107 km (0.093 R)
• M4: 1,543,551 km (0.093 R)
• M5: 2,166,177 km (0.09 R)
• M6: 2,653,417 km (0.116 R)
• M7: 3,125,100 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.7

Radius: 13.1

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.22 AU - 1.38 AU

Year: 1023 Days

Day: 8.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,050,460 km

• M1: 163,211 km (0.036 R)
• M2: 662,120 km (0.071 R)
• M3: 1,650,513 km (0.107 R)
• M4: 2,498,434 km (0.115 R)
• M5: 3,034,742 km (0.082 R)
• M6: 3,874,136 km (0.044 R)
• M7: 5,263,751 km (0.116 R)
• M8: 6,833,631 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.8

Radius: 11.1

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.73 AU - 2.79 AU

Year: 3165 Days

Day: 13.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,050,460 km

• M1: 138,079 km (0.102 R)
• M2: 568,023 km (0.081 R)
• M3: 1,003,353 km (0.063 R)
• M4: 1,672,504 km (0.095 R)
• M5: 2,047,845 km (0.102 R)
• M6: 2,874,523 km (0.069 R)
• M7: 3,578,082 km (0.114 R)
• M8: 4,486,590 km (0.1 R)
• M9: 5,159,631 km (0.094 R)
• M10: 6,082,500 km (0.106 R)
• M11: 6,583,653 km (0.116 R)
• M12: 7,347,200 km (0.112 R)
• M13: 8,140,368 km (0.102 R)
• M14: 8,959,566 km (0.036 R)
• M15: 10,125,233 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.7

Radius: 14.5

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.97 AU - 4.11 AU

Year: 5605 Days

Day: 14.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,050,460 km

• M1: 180,265 km (0.115 R)
• M2: 688,749 km (0.065 R)
• M3: 1,212,341 km (0.095 R)
• M4: 1,775,278 km (0.098 R)
• M5: 2,251,149 km (0.094 R)
• M6: 2,710,265 km (0.094 R)
• M7: 3,271,406 km (0.099 R)
• M8: 5,168,008 km (0.085 R)
• M9: 7,235,899 km (0.04 R)
• M10: 7,715,211 km (0.034 R)
• M11: 8,586,619 km (0.087 R)
• M12: 9,726,106 km (0.059 R)
• M13: 10,439,687 km (0.085 R)
• M14: 11,187,976 km (0.088 R)
• M15: 11,830,798 km (0.1 R)
• M16: 14,330,279 km (0.059 R)
• M17: 15,760,734 km (0.079 R)
• M18: 18,144,726 km (0.092 R)
• M19: 23,247,210 km (0.097 R)
• M20: 26,486,602 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.1

Radius: 4.2

Gravity: 33.34 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.64 AU - 7.32 AU

Year: 12729 Days

Day: 15.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,050,460 km

• M1: 52,210 km (0.115 R)
• M2: 247,435 km (0.078 R)
• M3: 763,847 km (0.117 R)
• M4: 949,049 km (0.093 R)
• M5: 1,225,655 km (0.094 R)
• M6: 2,080,009 km (0.047 R)
• M7: 2,588,043 km (0.094 R)
• M8: 3,321,671 km (0.061 R)
• M9: 4,184,851 km (0.097 R)
• M10: 6,075,469 km (0.102 R)
• M11: 7,268,961 km (0.118 R)
• M12: 9,744,805 km (0.111 R)
• M13: 10,809,045 km (0.104 R)
• M14: 11,948,532 km (0.112 R)
• M15: 13,546,386 km (0.112 R)
• M16: 14,530,142 km (0.1 R)
• M17: 19,023,314 km (0.062 R)
• M18: 22,423,823 km (0.072 R)
• M19: 28,250,810 km (0.093 R)
• M20: 38,762,005 km (0.094 R)
• M21: 39,412,307 km (0.107 R)
• M22: 47,198,577 km (0.111 R)
• M23: 48,238,581 km (0.093 R)
• M24: 51,138,087 km (0.11 R)
• M25: 51,763,107 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680.1

Radius: 3.8

Gravity: 47.1 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 9.05 AU - 12.09 AU

Year: 23720 Days

Day: 21.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 85,050,460 km

• M1: 145,708 km (0.093 R)
• M2: 401,969 km (0.11 R)
• M3: 630,256 km (0.12 R)
• M4: 927,956 km (0.054 R)
• M5: 1,095,056 km (0.065 R)
• M6: 1,683,425 km (0.083 R)
• M7: 2,099,008 km (0.095 R)
• M8: 3,417,863 km (0.108 R)
• M9: 3,980,201 km (0.071 R)
• M10: 5,167,559 km (0.076 R)
• M11: 6,300,165 km (0.101 R)
• M12: 10,800,667 km (0.111 R)
• M13: 12,137,773 km (0.052 R)
• M14: 16,804,628 km (0.053 R)
• M15: 17,772,825 km (0.118 R)
• M16: 25,727,692 km (0.113 R)
• M17: 56,603,197 km (0.099 R)
• M18: 56,992,750 km (0.086 R)
• M19: 61,602,458 km (0.051 R)
• M20: 77,387,727 km (0.192 R)
• M21: 81,035,222 km (0.148 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: 229 - 18,995 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit