🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.8

Radius: 14.1

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.62 AU - 0.64 AU

Year: 345 Days

Day: 14.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,266,875 km

• M1: 175,628 km (0.088 R)
• M2: 676,930 km (0.084 R)
• M3: 1,117,346 km (0.073 R)
• M4: 1,619,995 km (0.097 R)
• M5: 2,220,481 km (0.067 R)
• M6: 2,707,422 km (0.112 R)
• M7: 4,078,936 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.1

Radius: 14.2

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.55 AU - 0.73 AU

Year: 353 Days

Day: 10.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,266,875 km

• M1: 176,525 km (0.106 R)
• M2: 647,460 km (0.054 R)
• M3: 1,365,978 km (0.084 R)
• M4: 1,923,529 km (0.099 R)
• M5: 2,986,273 km (0.068 R)
• M6: 3,446,885 km (0.103 R)
• M7: 4,296,600 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.5

Radius: 11.1

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.9 AU - 0.98 AU

Year: 629 Days

Day: 11.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,266,875 km

• M1: 151,991 km (0.09 R)
• M2: 586,274 km (0.066 R)
• M3: 938,727 km (0.079 R)
• M4: 1,393,205 km (0.069 R)
• M5: 2,107,684 km (0.118 R)
• M6: 3,143,949 km (0.097 R)
• M7: 4,571,412 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.6

Radius: 8

Gravity: 14.99 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.41 AU - 1.51 AU

Year: 1218 Days

Day: 11.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,266,875 km

• M1: 100,530 km (0.069 R)
• M2: 351,256 km (0.094 R)
• M3: 664,963 km (0.106 R)
• M4: 1,110,465 km (0.06 R)
• M5: 1,457,233 km (0.097 R)
• M6: 2,013,438 km (0.102 R)
• M7: 2,383,692 km (0.103 R)
• M8: 3,009,610 km (0.07 R)
• M9: 3,292,051 km (0.063 R)
• M10: 4,157,026 km (0.106 R)
• M11: 4,546,429 km (0.06 R)
• M12: 5,506,698 km (0.06 R)
• M13: 6,210,107 km (0.103 R)
• M14: 7,023,321 km (0.082 R)
• M15: 7,362,459 km (0.088 R)
• M16: 8,130,345 km (0.066 R)
• M17: 8,533,661 km (0.091 R)
• M18: 8,829,865 km (0.108 R)
• M19: 12,257,152 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.6

Radius: 11.7

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.47 AU - 2.13 AU

Year: 1667 Days

Day: 5.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,266,875 km

• M1: 145,559 km (0.041 R)
• M2: 550,371 km (0.093 R)
• M3: 1,042,099 km (0.109 R)
• M4: 1,494,034 km (0.076 R)
• M5: 1,943,875 km (0.094 R)
• M6: 2,546,455 km (0.071 R)
• M7: 3,540,832 km (0.047 R)
• M8: 4,127,405 km (0.118 R)
• M9: 4,992,530 km (0.118 R)
• M10: 5,731,693 km (0.067 R)
• M11: 6,127,828 km (0.06 R)
• M12: 6,746,116 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.8

Radius: 13.5

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.6 AU - 2.4 AU

Year: 1952 Days

Day: 8.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,266,875 km

• M1: 167,849 km (0.078 R)
• M2: 1,180,028 km (0.069 R)
• M3: 1,739,674 km (0.097 R)
• M4: 2,595,523 km (0.111 R)
• M5: 3,409,635 km (0.11 R)
• M6: 4,441,262 km (0.105 R)
• M7: 5,099,043 km (0.111 R)
• M8: 6,424,032 km (0.101 R)
• M9: 7,242,183 km (0.108 R)
• M10: 8,074,695 km (0.064 R)
• M11: 9,714,736 km (0.108 R)
• M12: 10,371,770 km (0.094 R)
• M13: 11,058,424 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.8

Radius: 11.1

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.2 AU - 3.96 AU

Year: 4676 Days

Day: 11.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,266,875 km

• M1: 138,079 km (0.119 R)
• M2: 840,291 km (0.062 R)
• M3: 1,694,794 km (0.089 R)
• M4: 2,166,028 km (0.12 R)
• M5: 2,777,584 km (0.063 R)
• M6: 3,479,796 km (0.094 R)
• M7: 4,370,352 km (0.12 R)
• M8: 5,017,213 km (0.086 R)
• M9: 7,487,074 km (0.08 R)
• M10: 9,127,415 km (0.106 R)
• M11: 9,880,939 km (0.108 R)
• M12: 10,272,886 km (0.092 R)
• M13: 11,134,570 km (0.032 R)
• M14: 12,043,975 km (0.092 R)
• M15: 14,283,904 km (0.112 R)
• M16: 16,301,979 km (0.064 R)
• M17: 16,850,106 km (0.088 R)
• M18: 20,895,980 km (0.114 R)
• M19: 25,792,019 km (0.112 R)
• M20: 29,123,115 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.8

Radius: 8.5

Gravity: 11.96 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5 AU - 5.16 AU

Year: 7903 Days

Day: 8.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 44,266,875 km

• M1: 105,915 km (0.109 R)
• M2: 394,490 km (0.084 R)
• M3: 787,483 km (0.116 R)
• M4: 1,707,211 km (0.117 R)
• M5: 2,200,585 km (0.093 R)
• M6: 2,745,570 km (0.081 R)
• M7: 4,661,470 km (0.044 R)
• M8: 4,989,538 km (0.045 R)
• M9: 5,725,859 km (0.109 R)
• M10: 7,020,927 km (0.085 R)
• M11: 8,070,656 km (0.102 R)
• M12: 10,178,789 km (0.082 R)
• M13: 10,887,284 km (0.113 R)
• M14: 12,121,915 km (0.087 R)
• M15: 12,975,820 km (0.083 R)
• M16: 14,299,911 km (0.1 R)
• M17: 17,074,203 km (0.108 R)
• M18: 17,928,407 km (0.044 R)
• M19: 18,960,633 km (0.111 R)
• M20: 20,424,298 km (0.088 R)
• M21: 21,224,048 km (0.109 R)
• M22: 21,631,852 km (0.079 R)
• M23: 26,093,758 km (0.104 R)
• M24: 28,489,718 km (0.03 R)
• M25: 28,786,669 km (0.092 R)
• M26: 29,690,241 km (0.07 R)
• M27: 31,765,612 km (0.083 R)
• M28: 33,165,399 km (0.09 R)
• M29: 33,714,423 km (0.054 R)
• M30: 35,057,214 km (0.046 R)
• M31: 35,971,855 km (0.093 R)
• M32: 42,309,270 km (0.076 R)
• M33: 43,085,234 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 11,996 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit