🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.1

Radius: 13.3

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.56 AU - 0.9 AU

Year: 409 Days

Day: 11.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,504,416 km

• M1: 165,455 km (0.097 R)
• M2: 606,320 km (0.069 R)
• M3: 1,026,690 km (0.119 R)
• M4: 1,505,852 km (0.098 R)
• M5: 1,981,125 km (0.104 R)
• M6: 2,481,679 km (0.105 R)
• M7: 3,077,677 km (0.091 R)
• M8: 3,570,901 km (0.088 R)
• M9: 4,197,567 km (0.114 R)
• M10: 4,777,558 km (0.097 R)
• M11: 5,251,184 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.8

Radius: 9.5

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.73 AU - 2.35 AU

Year: 1911 Days

Day: 10.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,504,416 km

• M1: 118,182 km (0.115 R)
• M2: 442,660 km (0.107 R)
• M3: 776,563 km (0.059 R)
• M4: 1,310,178 km (0.114 R)
• M5: 1,826,590 km (0.097 R)
• M6: 3,039,829 km (0.103 R)
• M7: 3,571,051 km (0.095 R)
• M8: 4,235,864 km (0.103 R)
• M9: 4,551,665 km (0.118 R)
• M10: 4,851,010 km (0.092 R)
• M11: 5,720,473 km (0.08 R)
• M12: 6,511,696 km (0.046 R)
• M13: 6,811,341 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.1

Radius: 13.2

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.81 AU - 2.29 AU

Year: 1925 Days

Day: 7.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,504,416 km

• M1: 164,109 km (0.087 R)
• M2: 739,462 km (0.108 R)
• M3: 1,582,446 km (0.025 R)
• M4: 2,105,740 km (0.076 R)
• M5: 2,531,495 km (0.109 R)
• M6: 3,355,181 km (0.1 R)
• M7: 4,330,709 km (0.066 R)
• M8: 5,163,221 km (0.106 R)
• M9: 5,654,201 km (0.114 R)
• M10: 6,202,029 km (0.034 R)
• M11: 7,118,315 km (0.095 R)
• M12: 7,788,065 km (0.071 R)
• M13: 8,887,609 km (0.109 R)
• M14: 9,595,507 km (0.08 R)
• M15: 10,123,886 km (0.084 R)
• M16: 11,085,950 km (0.041 R)
• M17: 11,510,958 km (0.109 R)
• M18: 12,229,925 km (0.062 R)
• M19: 13,234,924 km (0.065 R)
• M20: 14,476,137 km (0.047 R)
• M21: 15,504,772 km (0.099 R)
• M22: 16,085,960 km (0.032 R)
• M23: 17,240,706 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.3

Radius: 14.6

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.93 AU - 3.09 AU

Year: 3426 Days

Day: 7.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,504,416 km

• M1: 181,612 km (0.097 R)
• M2: 1,235,529 km (0.114 R)
• M3: 1,781,112 km (0.092 R)
• M4: 2,937,205 km (0.083 R)
• M5: 3,394,076 km (0.087 R)
• M6: 10,109,226 km (0.043 R)
• M7: 10,919,298 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.2

Radius: 13.1

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.9 AU - 4.06 AU

Year: 4259 Days

Day: 14 Hours

Environment

Temp: -200 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,504,416 km

• M1: 163,211 km (0.094 R)
• M2: 756,068 km (0.108 R)
• M3: 1,294,171 km (0.078 R)
• M4: 2,282,714 km (0.082 R)
• M5: 2,844,604 km (0.099 R)
• M6: 3,280,233 km (0.103 R)
• M7: 3,724,987 km (0.045 R)
• M8: 4,843,829 km (0.102 R)
• M9: 6,912,768 km (0.11 R)
• M10: 7,916,570 km (0.077 R)
• M11: 8,723,351 km (0.095 R)
• M12: 11,866,253 km (0.087 R)
• M13: 13,604,580 km (0.06 R)
• M14: 14,131,015 km (0.048 R)
• M15: 16,178,860 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.9

Radius: 12.7

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.72 AU - 5.68 AU

Year: 6684 Days

Day: 13.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,504,416 km

• M1: 182,809 km (0.067 R)
• M2: 586,124 km (0.03 R)
• M3: 2,173,208 km (0.106 R)
• M4: 2,991,359 km (0.062 R)
• M5: 3,875,333 km (0.095 R)
• M6: 6,041,660 km (0.054 R)
• M7: 6,895,415 km (0.072 R)
• M8: 8,288,919 km (0.107 R)
• M9: 9,620,489 km (0.103 R)
• M10: 10,958,493 km (0.059 R)
• M11: 17,328,520 km (0.048 R)
• M12: 18,174,795 km (0.104 R)
• M13: 18,608,180 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.1

Radius: 6.2

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 9.11 AU - 10.45 AU

Year: 20064 Days

Day: 16.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,504,416 km

• M1: 78,539 km (0.107 R)
• M2: 609,911 km (0.118 R)
• M3: 1,034,170 km (0.109 R)
• M4: 1,609,224 km (0.101 R)
• M5: 7,908,043 km (0.101 R)
• M6: 11,296,883 km (0.115 R)
• M7: 12,936,326 km (0.085 R)
• M8: 13,876,848 km (0.119 R)
• M9: 16,751,970 km (0.096 R)
• M10: 26,804,797 km (0.084 R)
• M11: 32,901,957 km (0.047 R)
• M12: 38,069,666 km (0.046 R)
• M13: 41,043,971 km (0.096 R)
• M14: 46,723,753 km (0.11 R)
• M15: 50,889,755 km (0.096 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 15,395 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit