🌌 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: 442.4

Radius: 8.1

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.47 AU - 0.61 AU

Year: 269 Days

Day: 10.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,938,485 km

• M1: 101,278 km (0.117 R)
• M2: 353,949 km (0.109 R)
• M3: 661,372 km (0.113 R)
• M4: 1,018,911 km (0.075 R)
• M5: 1,289,982 km (0.048 R)
• M6: 1,753,586 km (0.103 R)
• M7: 2,075,072 km (0.092 R)
• M8: 2,427,674 km (0.092 R)
• M9: 2,722,382 km (0.08 R)
• M10: 3,263,926 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.5

Radius: 14.8

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.7 AU - 0.76 AU

Year: 423 Days

Day: 7.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,938,485 km

• M1: 184,005 km (0.098 R)
• M2: 747,241 km (0.116 R)
• M3: 1,376,450 km (0.092 R)
• M4: 1,858,006 km (0.112 R)
• M5: 2,372,024 km (0.092 R)
• M6: 2,896,514 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.1

Radius: 8.4

Gravity: 11.79 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1 AU - 1.28 AU

Year: 826 Days

Day: 11.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,938,485 km

• M1: 104,419 km (0.114 R)
• M2: 449,242 km (0.068 R)
• M3: 727,644 km (0.119 R)
• M4: 990,338 km (0.072 R)
• M5: 1,253,780 km (0.119 R)
• M6: 1,516,474 km (0.116 R)
• M7: 1,780,065 km (0.077 R)
• M8: 2,155,705 km (0.102 R)
• M9: 2,491,553 km (0.112 R)
• M10: 3,015,444 km (0.048 R)
• M11: 3,866,806 km (0.098 R)
• M12: 4,398,925 km (0.082 R)
• M13: 4,924,164 km (0.075 R)
• M14: 5,297,261 km (0.112 R)
• M15: 5,851,072 km (0.102 R)
• M16: 6,142,040 km (0.063 R)
• M17: 7,309,202 km (0.073 R)
• M18: 7,622,760 km (0.084 R)
• M19: 8,148,147 km (0.117 R)
• M20: 9,271,627 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.4

Radius: 11.1

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.64 AU - 2.48 AU

Year: 2005 Days

Day: 5.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,938,485 km

• M1: 213,775 km (0.095 R)
• M2: 644,019 km (0.075 R)
• M3: 1,072,168 km (0.067 R)
• M4: 1,643,033 km (0.09 R)
• M5: 3,083,661 km (0.056 R)
• M6: 4,441,262 km (0.099 R)
• M7: 4,896,488 km (0.058 R)
• M8: 5,802,602 km (0.105 R)
• M9: 6,817,175 km (0.057 R)
• M10: 8,748,035 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.1

Radius: 12.4

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.05 AU - 2.55 AU

Year: 2366 Days

Day: 12 Hours

Environment

Temp: -212 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,938,485 km

• M1: 154,385 km (0.11 R)
• M2: 571,763 km (0.026 R)
• M3: 1,009,935 km (0.104 R)
• M4: 1,864,588 km (0.103 R)
• M5: 2,491,104 km (0.114 R)
• M6: 2,978,793 km (0.082 R)
• M7: 3,858,877 km (0.037 R)
• M8: 4,751,079 km (0.083 R)
• M9: 5,628,171 km (0.057 R)
• M10: 6,394,411 km (0.107 R)
• M11: 7,493,357 km (0.06 R)
• M12: 8,166,697 km (0.101 R)
• M13: 10,209,456 km (0.103 R)
• M14: 10,807,399 km (0.066 R)
• M15: 11,231,958 km (0.062 R)
• M16: 12,999,606 km (0.12 R)
• M17: 13,882,084 km (0.116 R)
• M18: 15,473,656 km (0.106 R)
• M19: 16,770,370 km (0.069 R)
• M20: 17,603,630 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.1

Radius: 10.9

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.14 AU - 2.54 AU

Year: 2428 Days

Day: 6.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,938,485 km

• M1: 135,685 km (0.065 R)
• M2: 556,354 km (0.055 R)
• M3: 1,008,439 km (0.12 R)
• M4: 1,502,860 km (0.036 R)
• M5: 2,145,233 km (0.114 R)
• M6: 2,975,651 km (0.106 R)
• M7: 4,304,679 km (0.086 R)
• M8: 6,929,822 km (0.054 R)
• M9: 7,730,620 km (0.07 R)
• M10: 8,245,386 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.6

Radius: 5

Gravity: 22.18 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 6.75 AU - 10.73 AU

Year: 17525 Days

Day: 21.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,938,485 km

• M1: 62,981 km (0.081 R)
• M2: 240,254 km (0.113 R)
• M3: 725,101 km (0.077 R)
• M4: 1,051,673 km (0.107 R)
• M5: 1,779,018 km (0.067 R)
• M6: 5,664,374 km (0.106 R)
• M7: 5,974,041 km (0.075 R)
• M8: 6,543,112 km (0.115 R)
• M9: 7,788,664 km (0.102 R)
• M10: 7,978,653 km (0.057 R)
• M11: 8,367,906 km (0.079 R)
• M12: 9,237,070 km (0.058 R)
• M13: 10,221,275 km (0.065 R)
• M14: 13,590,667 km (0.111 R)
• M15: 16,595,191 km (0.102 R)
• M16: 20,641,963 km (0.029 R)
• M17: 21,282,092 km (0.104 R)
• M18: 21,653,843 km (0.092 R)
• M19: 21,841,289 km (0.047 R)
• M20: 22,506,102 km (0.04 R)
• M21: 27,982,880 km (0.038 R)
• M22: 28,317,082 km (0.101 R)
• M23: 29,565,177 km (0.107 R)
• M24: 35,311,979 km (0.113 R)
• M25: 40,611,633 km (0.113 R)
• M26: 43,375,454 km (0.077 R)
• M27: 43,972,798 km (0.03 R)
• M28: 45,797,892 km (0.12 R)
• M29: 51,742,463 km (0.118 R)
• M30: 52,077,712 km (0.034 R)
• M31: 54,811,912 km (0.093 R)
• M32: 55,685,563 km (0.026 R)
• M33: 56,037,567 km (0.051 R)
• M34: 61,685,784 km (0.113 R)
• M35: 62,441,104 km (0.11 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: 387 - 18,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit