🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.8

Radius: 12.4

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.95 AU - 1.43 AU

Year: 880 Days

Day: 10.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,308,336 km

• M1: 154,235 km (0.06 R)
• M2: 618,438 km (0.107 R)
• M3: 1,015,620 km (0.112 R)
• M4: 1,459,477 km (0.092 R)
• M5: 1,866,084 km (0.03 R)
• M6: 2,254,440 km (0.039 R)
• M7: 2,757,089 km (0.102 R)
• M8: 3,543,824 km (0.073 R)
• M9: 3,959,706 km (0.076 R)
• M10: 4,475,071 km (0.086 R)
• M11: 5,182,070 km (0.099 R)
• M12: 5,641,186 km (0.038 R)
• M13: 6,510,350 km (0.038 R)
• M14: 7,586,856 km (0.066 R)
• M15: 8,180,460 km (0.041 R)
• M16: 9,377,243 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843

Radius: 8.7

Gravity: 11.14 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.35 AU - 2.09 AU

Year: 1530 Days

Day: 5 Hours

Environment

Temp: -201 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,308,336 km

• M1: 108,159 km (0.113 R)
• M2: 435,330 km (0.065 R)
• M3: 777,460 km (0.105 R)
• M4: 1,098,796 km (0.05 R)
• M5: 1,455,138 km (0.111 R)
• M6: 3,103,707 km (0.081 R)
• M7: 3,567,610 km (0.101 R)
• M8: 3,860,523 km (0.114 R)
• M9: 4,301,537 km (0.071 R)
• M10: 7,464,635 km (0.053 R)
• M11: 8,062,278 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.7

Radius: 13.8

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.64 AU - 3.22 AU

Year: 3402 Days

Day: 10.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,308,336 km

• M1: 171,738 km (0.108 R)
• M2: 881,131 km (0.065 R)
• M3: 1,621,791 km (0.069 R)
• M4: 2,122,794 km (0.114 R)
• M5: 2,664,936 km (0.112 R)
• M6: 3,184,340 km (0.067 R)
• M7: 3,916,622 km (0.027 R)
• M8: 4,519,651 km (0.092 R)
• M9: 7,346,303 km (0.065 R)
• M10: 7,890,091 km (0.098 R)
• M11: 9,684,517 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.3

Radius: 14.2

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.78 AU - 3.8 AU

Year: 4047 Days

Day: 5.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,308,336 km

• M1: 177,722 km (0.104 R)
• M2: 622,776 km (0.07 R)
• M3: 1,124,976 km (0.077 R)
• M4: 2,201,931 km (0.107 R)
• M5: 4,961,413 km (0.111 R)
• M6: 5,556,813 km (0.106 R)
• M7: 6,283,410 km (0.059 R)
• M8: 9,208,796 km (0.08 R)
• M9: 9,880,341 km (0.085 R)
• M10: 10,385,533 km (0.115 R)
• M11: 11,155,064 km (0.096 R)
• M12: 12,224,988 km (0.09 R)
• M13: 13,932,798 km (0.114 R)
• M14: 16,649,495 km (0.111 R)
• M15: 18,219,076 km (0.081 R)
• M16: 19,519,979 km (0.114 R)
• M17: 20,629,846 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.7

Radius: 9.8

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.18 AU - 5.7 AU

Year: 8606 Days

Day: 6.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,308,336 km

• M1: 127,457 km (0.119 R)
• M2: 534,812 km (0.094 R)
• M3: 898,036 km (0.074 R)
• M4: 1,956,142 km (0.041 R)
• M5: 2,302,610 km (0.118 R)
• M6: 3,801,132 km (0.096 R)
• M7: 4,288,672 km (0.067 R)
• M8: 5,193,739 km (0.118 R)
• M9: 8,139,471 km (0.101 R)
• M10: 9,965,163 km (0.059 R)
• M11: 12,163,204 km (0.033 R)
• M12: 13,102,530 km (0.045 R)
• M13: 15,191,813 km (0.074 R)
• M14: 15,935,016 km (0.104 R)
• M15: 16,844,421 km (0.087 R)
• M16: 19,939,601 km (0.068 R)
• M17: 22,778,669 km (0.077 R)
• M18: 27,033,981 km (0.092 R)
• M19: 29,868,112 km (0.096 R)
• M20: 30,288,632 km (0.1 R)
• M21: 30,712,892 km (0.085 R)
• M22: 36,957,855 km (0.083 R)
• M23: 37,686,396 km (0.096 R)
• M24: 39,676,198 km (0.099 R)
• M25: 42,260,650 km (0.114 R)
• M26: 43,057,409 km (0.112 R)
• M27: 46,064,476 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.8

Radius: 7.2

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.29 AU - 7.11 AU

Year: 9230 Days

Day: 18 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,308,336 km

• M1: 89,609 km (0.11 R)
• M2: 324,627 km (0.093 R)
• M3: 560,394 km (0.1 R)
• M4: 803,191 km (0.084 R)
• M5: 1,489,546 km (0.046 R)
• M6: 2,029,894 km (0.11 R)
• M7: 3,560,429 km (0.092 R)
• M8: 4,923,864 km (0.085 R)
• M9: 5,407,963 km (0.057 R)
• M10: 6,842,906 km (0.072 R)
• M11: 7,629,641 km (0.069 R)
• M12: 8,044,925 km (0.042 R)
• M13: 9,170,200 km (0.08 R)
• M14: 10,170,262 km (0.113 R)
• M15: 11,828,853 km (0.113 R)
• M16: 13,880,738 km (0.103 R)
• M17: 14,385,930 km (0.057 R)
• M18: 15,373,425 km (0.054 R)
• M19: 16,097,329 km (0.076 R)
• M20: 19,778,484 km (0.083 R)
• M21: 29,296,050 km (0.107 R)
• M22: 31,932,563 km (0.083 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 11,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit