🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.3

Radius: 11.9

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2 AU - 2.04 AU

Year: 1825 Days

Day: 9.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,074,401 km

• M1: 147,952 km (0.105 R)
• M2: 570,566 km (0.081 R)
• M3: 1,296,565 km (0.081 R)
• M4: 1,872,816 km (0.04 R)
• M5: 2,348,088 km (0.074 R)
• M6: 3,004,374 km (0.106 R)
• M7: 4,336,094 km (0.11 R)
• M8: 4,763,645 km (0.108 R)
• M9: 8,445,997 km (0.098 R)
• M10: 8,960,763 km (0.088 R)
• M11: 9,528,487 km (0.092 R)
• M12: 11,017,584 km (0.117 R)
• M13: 11,706,632 km (0.088 R)
• M14: 13,210,838 km (0.114 R)
• M15: 13,947,009 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.9

Radius: 11.8

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.95 AU - 2.55 AU

Year: 2146 Days

Day: 12.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,074,401 km

• M1: 147,204 km (0.069 R)
• M2: 572,062 km (0.109 R)
• M3: 989,740 km (0.08 R)
• M4: 1,754,783 km (0.094 R)
• M5: 2,612,577 km (0.103 R)
• M6: 3,023,672 km (0.101 R)
• M7: 3,407,989 km (0.052 R)
• M8: 4,195,023 km (0.1 R)
• M9: 4,784,589 km (0.087 R)
• M10: 5,192,243 km (0.111 R)
• M11: 5,847,482 km (0.107 R)
• M12: 6,778,130 km (0.046 R)
• M13: 8,765,238 km (0.089 R)
• M14: 10,313,726 km (0.069 R)
• M15: 11,153,269 km (0.093 R)
• M16: 13,098,640 km (0.113 R)
• M17: 15,020,225 km (0.118 R)
• M18: 15,749,963 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.7

Radius: 12.9

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.55 AU - 2.81 AU

Year: 2790 Days

Day: 9.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,074,401 km

• M1: 162,314 km (0.101 R)
• M2: 647,011 km (0.105 R)
• M3: 1,321,548 km (0.105 R)
• M4: 1,931,009 km (0.062 R)
• M5: 2,935,409 km (0.093 R)
• M6: 4,533,115 km (0.085 R)
• M7: 6,578,118 km (0.109 R)
• M8: 6,991,756 km (0.054 R)
• M9: 7,605,406 km (0.102 R)
• M10: 8,007,076 km (0.051 R)
• M11: 8,736,964 km (0.093 R)
• M12: 9,237,968 km (0.111 R)
• M13: 10,394,808 km (0.103 R)
• M14: 11,787,115 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.2

Radius: 8.8

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.16 AU - 6.34 AU

Year: 7648 Days

Day: 10.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,074,401 km

• M1: 109,655 km (0.08 R)
• M2: 480,508 km (0.101 R)
• M3: 1,415,495 km (0.111 R)
• M4: 1,856,659 km (0.101 R)
• M5: 2,317,869 km (0.118 R)
• M6: 2,974,754 km (0.1 R)
• M7: 5,263,302 km (0.107 R)
• M8: 5,602,739 km (0.093 R)
• M9: 6,257,380 km (0.086 R)
• M10: 7,220,790 km (0.1 R)
• M11: 8,825,377 km (0.114 R)
• M12: 9,941,526 km (0.046 R)
• M13: 10,413,358 km (0.078 R)
• M14: 10,900,150 km (0.091 R)
• M15: 11,504,226 km (0.098 R)
• M16: 13,167,904 km (0.112 R)
• M17: 14,986,266 km (0.06 R)
• M18: 16,833,201 km (0.086 R)
• M19: 17,166,356 km (0.108 R)
• M20: 19,403,741 km (0.057 R)
• M21: 19,991,960 km (0.082 R)
• M22: 22,464,963 km (0.119 R)
• M23: 25,308,519 km (0.095 R)
• M24: 30,108,367 km (0.074 R)
• M25: 35,372,865 km (0.091 R)
• M26: 37,481,447 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.3

Radius: 3.9

Gravity: 56.36 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6.16 AU - 7 AU

Year: 10732 Days

Day: 16.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 55,074,401 km

• M1: 48,619 km (0.119 R)
• M2: 172,935 km (0.084 R)
• M3: 437,424 km (0.119 R)
• M4: 632,350 km (0.069 R)
• M5: 1,021,454 km (0.043 R)
• M6: 1,340,696 km (0.081 R)
• M7: 1,939,985 km (0.063 R)
• M8: 2,269,848 km (0.09 R)
• M9: 2,636,064 km (0.118 R)
• M10: 4,440,214 km (0.036 R)
• M11: 5,314,016 km (0.09 R)
• M12: 5,664,972 km (0.088 R)
• M13: 6,491,201 km (0.106 R)
• M14: 7,309,202 km (0.083 R)
• M15: 7,567,558 km (0.088 R)
• M16: 7,698,905 km (0.039 R)
• M17: 8,147,998 km (0.028 R)
• M18: 9,147,461 km (0.09 R)
• M19: 9,651,007 km (0.099 R)
• M20: 9,961,872 km (0.115 R)
• M21: 11,617,023 km (0.087 R)
• M22: 14,904,885 km (0.085 R)
• M23: 16,834,248 km (0.075 R)
• M24: 19,410,473 km (0.091 R)
• M25: 20,240,143 km (0.07 R)
• M26: 21,353,600 km (0.1 R)
• M27: 22,597,955 km (0.072 R)
• M28: 24,172,772 km (0.114 R)
• M29: 25,621,777 km (0.103 R)
• M30: 27,954,457 km (0.097 R)
• M31: 30,757,322 km (0.072 R)
• M32: 33,153,731 km (0.104 R)
• M33: 39,616,807 km (0.105 R)
• M34: 39,880,848 km (0.036 R)
• M35: 43,421,530 km (0.098 R)
• M36: 46,283,636 km (0.049 R)
• M37: 46,576,549 km (0.115 R)
• M38: 53,498,891 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.1

Radius: 3.5

Gravity: 50.95 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.62 AU - 8.26 AU

Year: 12903 Days

Day: 18.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,074,401 km

• M1: 43,533 km (0.064 R)
• M2: 188,194 km (0.101 R)
• M3: 785,389 km (0.115 R)
• M4: 924,216 km (0.073 R)
• M5: 1,932,655 km (0.109 R)
• M6: 2,342,852 km (0.101 R)
• M7: 2,505,615 km (0.116 R)
• M8: 4,091,651 km (0.047 R)
• M9: 4,480,157 km (0.098 R)
• M10: 6,438,842 km (0.073 R)
• M11: 6,963,781 km (0.056 R)
• M12: 7,692,323 km (0.07 R)
• M13: 9,707,855 km (0.072 R)
• M14: 10,342,449 km (0.108 R)
• M15: 20,074,389 km (0.082 R)
• M16: 26,259,064 km (0.072 R)
• M17: 27,903,593 km (0.091 R)
• M18: 30,053,913 km (0.073 R)
• M19: 35,291,035 km (0.085 R)
• M20: 41,787,173 km (0.063 R)
• M21: 42,616,544 km (0.12 R)
• M22: 50,268,774 km (0.11 R)
• M23: 50,424,206 km (0.086 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 16,333 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit