🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733

Radius: 14.7

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.76 AU - 0.9 AU

Year: 488 Days

Day: 10.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,434,741 km

• M1: 182,958 km (0.112 R)
• M2: 657,931 km (0.052 R)
• M3: 1,271,133 km (0.048 R)
• M4: 1,774,680 km (0.071 R)
• M5: 2,480,781 km (0.099 R)
• M6: 3,157,712 km (0.102 R)
• M7: 4,303,332 km (0.054 R)
• M8: 4,777,707 km (0.088 R)
• M9: 5,237,870 km (0.03 R)
• M10: 5,710,450 km (0.108 R)
• M11: 6,211,603 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.3

Radius: 12.9

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.22 AU - 1.48 AU

Year: 1013 Days

Day: 8.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,434,741 km

• M1: 160,519 km (0.102 R)
• M2: 591,211 km (0.114 R)
• M3: 1,594,115 km (0.089 R)
• M4: 2,157,949 km (0.101 R)
• M5: 3,465,135 km (0.076 R)
• M6: 4,243,344 km (0.101 R)
• M7: 4,795,659 km (0.096 R)
• M8: 5,704,167 km (0.072 R)
• M9: 6,658,452 km (0.107 R)
• M10: 8,035,051 km (0.113 R)
• M11: 8,672,637 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.3

Radius: 9.4

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.27 AU - 2.07 AU

Year: 1393 Days

Day: 11.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,434,741 km

• M1: 116,986 km (0.087 R)
• M2: 427,102 km (0.099 R)
• M3: 888,611 km (0.098 R)
• M4: 1,463,965 km (0.044 R)
• M5: 2,026,902 km (0.032 R)
• M6: 2,486,167 km (0.076 R)
• M7: 2,902,647 km (0.075 R)
• M8: 3,365,354 km (0.116 R)
• M9: 3,678,911 km (0.091 R)
• M10: 4,720,561 km (0.052 R)
• M11: 5,858,103 km (0.089 R)
• M12: 6,942,239 km (0.057 R)
• M13: 7,664,797 km (0.109 R)
• M14: 7,961,898 km (0.069 R)
• M15: 8,379,575 km (0.05 R)
• M16: 9,319,798 km (0.093 R)
• M17: 10,198,685 km (0.103 R)
• M18: 11,166,135 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.5

Radius: 8.8

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.95 AU - 3.23 AU

Year: 2691 Days

Day: 14.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,434,741 km

• M1: 109,506 km (0.107 R)
• M2: 471,233 km (0.099 R)
• M3: 2,202,978 km (0.115 R)
• M4: 2,581,910 km (0.051 R)
• M5: 4,059,937 km (0.072 R)
• M6: 6,831,387 km (0.089 R)
• M7: 9,779,362 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.6

Radius: 14

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.69 AU - 4.57 AU

Year: 5419 Days

Day: 12.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,434,741 km

• M1: 174,132 km (0.119 R)
• M2: 655,837 km (0.04 R)
• M3: 1,100,442 km (0.108 R)
• M4: 1,541,157 km (0.119 R)
• M5: 2,214,796 km (0.055 R)
• M6: 2,670,172 km (0.051 R)
• M7: 3,300,279 km (0.06 R)
• M8: 4,788,029 km (0.102 R)
• M9: 5,399,137 km (0.064 R)
• M10: 6,383,491 km (0.076 R)
• M11: 8,274,258 km (0.08 R)
• M12: 9,195,332 km (0.062 R)
• M13: 9,740,317 km (0.076 R)
• M14: 11,506,171 km (0.114 R)
• M15: 13,231,184 km (0.104 R)
• M16: 13,826,134 km (0.064 R)
• M17: 15,554,738 km (0.088 R)
• M18: 17,189,244 km (0.067 R)
• M19: 19,374,420 km (0.069 R)
• M20: 22,638,496 km (0.118 R)
• M21: 23,204,126 km (0.07 R)
• M22: 24,958,161 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567.3

Radius: 7

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.45 AU - 9.03 AU

Year: 12578 Days

Day: 16.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,434,741 km

• M1: 104,270 km (0.117 R)
• M2: 429,495 km (0.104 R)
• M3: 758,012 km (0.119 R)
• M4: 1,095,056 km (0.088 R)
• M5: 2,127,132 km (0.113 R)
• M6: 4,427,050 km (0.062 R)
• M7: 4,890,654 km (0.074 R)
• M8: 6,323,352 km (0.118 R)
• M9: 6,911,422 km (0.083 R)
• M10: 9,282,997 km (0.037 R)
• M11: 13,749,839 km (0.074 R)
• M12: 15,555,935 km (0.113 R)
• M13: 16,335,040 km (0.086 R)
• M14: 19,307,999 km (0.051 R)
• M15: 24,556,341 km (0.087 R)
• M16: 25,224,445 km (0.038 R)
• M17: 34,927,064 km (0.068 R)
• M18: 36,260,579 km (0.115 R)
• M19: 39,417,244 km (0.112 R)
• M20: 46,851,211 km (0.101 R)
• M21: 51,050,124 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.2

Radius: 7.8

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.54 AU - 9.86 AU

Year: 15161 Days

Day: 23.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,434,741 km

• M1: 100,231 km (0.076 R)
• M2: 1,036,414 km (0.086 R)
• M3: 1,986,061 km (0.106 R)
• M4: 2,264,164 km (0.084 R)
• M5: 4,030,765 km (0.113 R)
• M6: 5,570,875 km (0.116 R)
• M7: 10,177,143 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.5

Radius: 3.1

Gravity: 12.64 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 8.13 AU - 11.45 AU

Year: 19778 Days

Day: 15.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 42,434,741 km

• M1: 38,596 km (0.082 R)
• M2: 154,834 km (0.092 R)
• M3: 685,158 km (0.111 R)
• M4: 1,019,958 km (0.094 R)
• M5: 1,138,141 km (0.074 R)
• M6: 1,277,267 km (0.091 R)
• M7: 1,576,014 km (0.107 R)
• M8: 1,825,244 km (0.084 R)
• M9: 2,813,487 km (0.106 R)
• M10: 3,674,722 km (0.108 R)
• M11: 3,825,218 km (0.118 R)
• M12: 4,032,111 km (0.098 R)
• M13: 4,412,240 km (0.062 R)
• M14: 6,751,651 km (0.063 R)
• M15: 6,977,394 km (0.036 R)
• M16: 9,014,169 km (0.093 R)
• M17: 10,290,090 km (0.095 R)
• M18: 11,048,551 km (0.082 R)
• M19: 12,789,720 km (0.114 R)
• M20: 13,251,978 km (0.109 R)
• M21: 15,796,937 km (0.027 R)
• M22: 16,872,545 km (0.119 R)
• M23: 20,312,848 km (0.112 R)
• M24: 21,260,700 km (0.07 R)
• M25: 21,745,397 km (0.11 R)
• M26: 25,077,241 km (0.07 R)
• M27: 25,618,336 km (0.112 R)
• M28: 27,193,452 km (0.101 R)
• M29: 27,956,551 km (0.086 R)
• M30: 30,842,443 km (0.12 R)
• M31: 32,944,443 km (0.056 R)
• M32: 34,030,374 km (0.114 R)
• M33: 36,502,928 km (0.104 R)
• M34: 40,186,326 km (0.11 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: 152 - 17,940 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit