🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.8

Radius: 9.4

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.48 AU - 0.68 AU

Year: 300 Days

Day: 6.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,930,577 km

• M1: 116,836 km (0.112 R)
• M2: 491,728 km (0.08 R)
• M3: 997,519 km (0.06 R)
• M4: 1,856,809 km (0.056 R)
• M5: 2,198,790 km (0.098 R)
• M6: 2,791,197 km (0.059 R)
• M7: 3,157,263 km (0.1 R)
• M8: 3,719,003 km (0.083 R)
• M9: 4,412,389 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.6

Radius: 9.1

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.95 AU - 1.23 AU

Year: 772 Days

Day: 9 Hours

Environment

Temp: -185 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,930,577 km

• M1: 124,765 km (0.076 R)
• M2: 527,332 km (0.09 R)
• M3: 1,000,660 km (0.065 R)
• M4: 1,330,523 km (0.093 R)
• M5: 2,078,363 km (0.032 R)
• M6: 2,811,692 km (0.112 R)
• M7: 3,251,510 km (0.049 R)
• M8: 3,650,188 km (0.054 R)
• M9: 4,081,329 km (0.111 R)
• M10: 5,814,720 km (0.03 R)
• M11: 6,467,266 km (0.112 R)
• M12: 7,893,831 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.5

Radius: 10.5

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.24 AU - 1.46 AU

Year: 1064 Days

Day: 9 Hours

Environment

Temp: -194 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,930,577 km

• M1: 130,749 km (0.112 R)
• M2: 549,623 km (0.1 R)
• M3: 941,719 km (0.078 R)
• M4: 1,540,708 km (0.107 R)
• M5: 3,221,590 km (0.082 R)
• M6: 3,573,444 km (0.115 R)
• M7: 4,268,626 km (0.083 R)
• M8: 5,447,457 km (0.103 R)
• M9: 8,327,365 km (0.072 R)
• M10: 11,047,055 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.6

Radius: 9.3

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.92 AU - 3.2 AU

Year: 3631 Days

Day: 8.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,930,577 km

• M1: 116,088 km (0.112 R)
• M2: 437,275 km (0.103 R)
• M3: 763,697 km (0.11 R)
• M4: 1,946,418 km (0.108 R)
• M5: 2,237,386 km (0.045 R)
• M6: 2,570,540 km (0.104 R)
• M7: 2,866,445 km (0.036 R)
• M8: 3,230,566 km (0.118 R)
• M9: 3,981,697 km (0.098 R)
• M10: 4,785,037 km (0.064 R)
• M11: 6,223,122 km (0.083 R)
• M12: 6,512,743 km (0.057 R)
• M13: 6,989,811 km (0.106 R)
• M14: 7,356,026 km (0.054 R)
• M15: 7,762,783 km (0.043 R)
• M16: 9,605,230 km (0.058 R)
• M17: 10,799,769 km (0.03 R)
• M18: 13,361,633 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.4

Radius: 13.4

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.24 AU - 4.08 AU

Year: 4749 Days

Day: 11.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,930,577 km

• M1: 166,652 km (0.077 R)
• M2: 619,634 km (0.074 R)
• M3: 1,389,315 km (0.118 R)
• M4: 2,407,329 km (0.047 R)
• M5: 2,999,288 km (0.085 R)
• M6: 3,505,826 km (0.09 R)
• M7: 4,157,923 km (0.111 R)
• M8: 4,766,039 km (0.054 R)
• M9: 5,487,100 km (0.116 R)
• M10: 6,045,699 km (0.117 R)
• M11: 6,580,661 km (0.107 R)
• M12: 7,409,433 km (0.041 R)
• M13: 10,029,191 km (0.114 R)
• M14: 10,695,799 km (0.114 R)
• M15: 14,067,885 km (0.114 R)
• M16: 15,171,767 km (0.106 R)
• M17: 16,276,099 km (0.089 R)
• M18: 17,433,238 km (0.117 R)
• M19: 19,461,337 km (0.115 R)
• M20: 20,367,750 km (0.07 R)
• M21: 20,831,354 km (0.116 R)
• M22: 22,334,513 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.6

Radius: 12.3

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.63 AU - 4.23 AU

Year: 5284 Days

Day: 8.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,930,577 km

• M1: 156,629 km (0.102 R)
• M2: 1,107,772 km (0.097 R)
• M3: 1,840,951 km (0.072 R)
• M4: 3,185,238 km (0.053 R)
• M5: 3,971,973 km (0.069 R)
• M6: 5,428,608 km (0.051 R)
• M7: 9,144,319 km (0.046 R)
• M8: 14,943,481 km (0.08 R)
• M9: 16,417,918 km (0.1 R)
• M10: 19,107,837 km (0.044 R)
• M11: 21,422,565 km (0.103 R)
• M12: 22,012,728 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.4

Radius: 6.6

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.55 AU - 7.11 AU

Year: 12107 Days

Day: 24.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,930,577 km

• M1: 82,129 km (0.098 R)
• M2: 293,511 km (0.091 R)
• M3: 702,960 km (0.083 R)
• M4: 1,060,799 km (0.099 R)
• M5: 1,535,024 km (0.032 R)
• M6: 2,875,869 km (0.064 R)
• M7: 4,643,668 km (0.102 R)
• M8: 5,146,616 km (0.029 R)
• M9: 6,372,869 km (0.11 R)
• M10: 6,874,321 km (0.1 R)
• M11: 7,236,647 km (0.095 R)
• M12: 9,784,299 km (0.101 R)
• M13: 10,294,877 km (0.107 R)
• M14: 10,504,014 km (0.094 R)
• M15: 12,048,463 km (0.103 R)
• M16: 12,516,106 km (0.066 R)
• M17: 14,639,797 km (0.077 R)
• M18: 16,346,859 km (0.114 R)
• M19: 18,182,275 km (0.107 R)
• M20: 18,953,452 km (0.112 R)
• M21: 19,826,804 km (0.028 R)
• M22: 21,738,964 km (0.112 R)
• M23: 22,432,051 km (0.119 R)
• M24: 27,499,829 km (0.078 R)
• M25: 29,766,236 km (0.118 R)
• M26: 34,433,690 km (0.076 R)
• M27: 39,056,713 km (0.106 R)
• M28: 39,438,487 km (0.114 R)
• M29: 40,598,469 km (0.105 R)
• M30: 42,447,797 km (0.085 R)
• M31: 44,352,627 km (0.064 R)
• M32: 44,907,186 km (0.114 R)
• M33: 49,808,761 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.6

Radius: 4.3

Gravity: 41.03 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 8.28 AU - 8.92 AU

Year: 17106 Days

Day: 20.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,930,577 km

• M1: 53,556 km (0.047 R)
• M2: 195,225 km (0.072 R)
• M3: 531,970 km (0.113 R)
• M4: 915,838 km (0.039 R)
• M5: 1,134,550 km (0.087 R)
• M6: 4,658,029 km (0.108 R)
• M7: 5,156,040 km (0.09 R)
• M8: 5,807,539 km (0.091 R)
• M9: 6,299,267 km (0.091 R)
• M10: 7,365,302 km (0.038 R)
• M11: 8,754,617 km (0.107 R)
• M12: 9,400,132 km (0.073 R)
• M13: 9,847,878 km (0.074 R)
• M14: 12,235,759 km (0.051 R)
• M15: 16,220,448 km (0.084 R)
• M16: 17,274,515 km (0.092 R)
• M17: 17,524,044 km (0.068 R)
• M18: 21,370,654 km (0.07 R)
• M19: 23,949,871 km (0.066 R)
• M20: 30,799,808 km (0.098 R)
• M21: 33,301,683 km (0.077 R)
• M22: 33,947,796 km (0.099 R)
• M23: 34,470,491 km (0.11 R)
• M24: 37,442,103 km (0.117 R)
• M25: 39,563,401 km (0.109 R)
• M26: 42,817,304 km (0.108 R)
• M27: 44,198,242 km (0.071 R)
• M28: 46,565,479 km (0.06 R)
• M29: 47,373,008 km (0.116 R)
• M30: 47,535,621 km (0.12 R)
• M31: 50,019,694 km (0.036 R)
• M32: 51,036,959 km (0.065 R)
• M33: 51,722,865 km (0.104 R)
• M34: 65,343,153 km (0.113 R)
• M35: 66,558,486 km (0.12 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 14,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit