🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.2

Radius: 10.9

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.63 AU - 0.95 AU

Year: 461 Days

Day: 6.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,946,448 km

• M1: 135,536 km (0.109 R)
• M2: 480,359 km (0.05 R)
• M3: 1,119,590 km (0.12 R)
• M4: 1,695,093 km (0.076 R)
• M5: 2,459,838 km (0.04 R)
• M6: 3,114,478 km (0.072 R)
• M7: 3,483,386 km (0.08 R)
• M8: 3,893,135 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82

Radius: 8.4

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.7 AU - 0.9 AU

Year: 469 Days

Day: 6.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,946,448 km

• M1: 104,868 km (0.114 R)
• M2: 606,619 km (0.09 R)
• M3: 969,843 km (0.041 R)
• M4: 1,298,061 km (0.108 R)
• M5: 1,653,505 km (0.098 R)
• M6: 2,485,269 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.8

Radius: 15

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.67 AU - 0.97 AU

Year: 487 Days

Day: 6.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,946,448 km

• M1: 186,549 km (0.118 R)
• M2: 679,773 km (0.091 R)
• M3: 1,191,397 km (0.109 R)
• M4: 1,708,258 km (0.104 R)
• M5: 2,476,144 km (0.051 R)
• M6: 2,952,164 km (0.063 R)
• M7: 3,851,397 km (0.115 R)
• M8: 4,427,648 km (0.075 R)
• M9: 5,495,927 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.1

Radius: 11.8

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.93 AU - 1.15 AU

Year: 696 Days

Day: 14.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,946,448 km

• M1: 147,354 km (0.079 R)
• M2: 522,695 km (0.035 R)
• M3: 978,968 km (0.057 R)
• M4: 1,604,437 km (0.111 R)
• M5: 2,128,628 km (0.082 R)
• M6: 2,743,027 km (0.094 R)
• M7: 3,420,406 km (0.081 R)
• M8: 3,799,337 km (0.081 R)
• M9: 4,405,358 km (0.11 R)
• M10: 5,040,700 km (0.111 R)
• M11: 5,425,616 km (0.118 R)
• M12: 5,924,674 km (0.089 R)
• M13: 6,374,066 km (0.112 R)
• M14: 6,866,991 km (0.113 R)
• M15: 7,363,357 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.5

Radius: 13.6

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.01 AU - 1.41 AU

Year: 873 Days

Day: 8.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,946,448 km

• M1: 172,038 km (0.059 R)
• M2: 656,884 km (0.096 R)
• M3: 1,138,440 km (0.082 R)
• M4: 1,628,522 km (0.112 R)
• M5: 2,112,472 km (0.036 R)
• M6: 2,704,730 km (0.059 R)
• M7: 3,285,917 km (0.073 R)
• M8: 3,714,066 km (0.08 R)
• M9: 4,274,460 km (0.118 R)
• M10: 5,528,240 km (0.076 R)
• M11: 6,118,104 km (0.104 R)
• M12: 7,263,126 km (0.044 R)
• M13: 8,069,908 km (0.034 R)
• M14: 8,674,881 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.5

Radius: 8.9

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.03 AU - 2.23 AU

Year: 2039 Days

Day: 14.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,946,448 km

• M1: 110,702 km (0.062 R)
• M2: 766,689 km (0.116 R)
• M3: 1,462,918 km (0.108 R)
• M4: 2,555,132 km (0.066 R)
• M5: 3,076,331 km (0.041 R)
• M6: 3,681,903 km (0.115 R)
• M7: 4,085,219 km (0.118 R)
• M8: 5,242,957 km (0.09 R)
• M9: 5,959,979 km (0.104 R)
• M10: 8,063,475 km (0.118 R)
• M11: 8,799,496 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.6

Radius: 8.8

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.19 AU - 5.07 AU

Year: 5506 Days

Day: 14.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 57.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,946,448 km

• M1: 111,600 km (0.079 R)
• M2: 412,142 km (0.066 R)
• M3: 754,871 km (0.107 R)
• M4: 1,333,964 km (0.041 R)
• M5: 1,643,781 km (0.07 R)
• M6: 2,076,568 km (0.109 R)
• M7: 2,857,918 km (0.107 R)
• M8: 3,253,754 km (0.108 R)
• M9: 3,596,482 km (0.117 R)
• M10: 4,799,100 km (0.061 R)
• M11: 5,809,185 km (0.028 R)
• M12: 7,059,374 km (0.094 R)
• M13: 8,761,648 km (0.065 R)
• M14: 10,674,855 km (0.118 R)
• M15: 13,062,736 km (0.085 R)
• M16: 14,155,250 km (0.092 R)
• M17: 14,494,538 km (0.109 R)
• M18: 15,366,693 km (0.106 R)
• M19: 16,583,522 km (0.058 R)
• M20: 16,960,808 km (0.078 R)
• M21: 17,408,106 km (0.072 R)
• M22: 17,863,332 km (0.083 R)
• M23: 20,046,115 km (0.119 R)
• M24: 20,546,370 km (0.073 R)
• M25: 21,795,662 km (0.09 R)
• M26: 25,098,484 km (0.071 R)
• M27: 28,005,469 km (0.05 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.9

Radius: 13.4

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.2 AU - 5.14 AU

Year: 5586 Days

Day: 13.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,946,448 km

• M1: 166,652 km (0.108 R)
• M2: 692,339 km (0.081 R)
• M3: 1,628,373 km (0.103 R)
• M4: 2,692,612 km (0.071 R)
• M5: 3,316,884 km (0.099 R)
• M6: 5,379,390 km (0.12 R)
• M7: 6,311,534 km (0.03 R)
• M8: 7,139,259 km (0.084 R)
• M9: 7,561,724 km (0.09 R)
• M10: 9,632,308 km (0.04 R)
• M11: 11,380,508 km (0.043 R)
• M12: 14,303,950 km (0.102 R)
• M13: 14,977,888 km (0.11 R)
• M14: 18,081,595 km (0.055 R)
• M15: 28,147,438 km (0.092 R)
• M16: 28,939,259 km (0.09 R)
• M17: 31,217,036 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.4

Radius: 8

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 7.2 AU - 9.8 AU

Year: 16257 Days

Day: 23.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,946,448 km

• M1: 99,632 km (0.112 R)
• M2: 500,106 km (0.114 R)
• M3: 765,044 km (0.066 R)
• M4: 1,101,788 km (0.105 R)
• M5: 2,609,585 km (0.075 R)
• M6: 3,666,195 km (0.096 R)
• M7: 4,306,773 km (0.094 R)
• M8: 4,878,237 km (0.104 R)
• M9: 5,968,506 km (0.115 R)
• M10: 7,305,014 km (0.1 R)
• M11: 8,018,745 km (0.05 R)
• M12: 9,419,430 km (0.095 R)
• M13: 10,380,746 km (0.037 R)
• M14: 11,911,431 km (0.11 R)
• M15: 12,764,289 km (0.101 R)
• M16: 13,586,927 km (0.055 R)
• M17: 15,186,428 km (0.057 R)
• M18: 17,899,236 km (0.102 R)
• M19: 19,192,808 km (0.063 R)
• M20: 30,159,380 km (0.102 R)
• M21: 31,986,867 km (0.039 R)
• M22: 33,887,059 km (0.065 R)
• M23: 34,145,864 km (0.115 R)
• M24: 34,667,661 km (0.073 R)
• M25: 37,356,683 km (0.089 R)
• M26: 41,056,088 km (0.113 R)
• M27: 41,943,204 km (0.098 R)
• M28: 43,145,821 km (0.118 R)
• M29: 43,909,069 km (0.11 R)
• M30: 53,256,393 km (0.084 R)
• M31: 56,826,846 km (0.094 R)
• M32: 64,440,180 km (0.077 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 11,267 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit