🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.2

Radius: 10.1

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.5 AU - 0.68 AU

Year: 307 Days

Day: 14.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 96,284,418 km

• M1: 126,410 km (0.107 R)
• M2: 511,026 km (0.104 R)
• M3: 1,384,678 km (0.117 R)
• M4: 1,864,737 km (0.089 R)
• M5: 2,580,713 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.4

Radius: 10.8

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.77 AU - 0.79 AU

Year: 467 Days

Day: 13.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 96,284,418 km

• M1: 134,339 km (0.079 R)
• M2: 523,293 km (0.081 R)
• M3: 1,039,256 km (0.114 R)
• M4: 1,881,941 km (0.086 R)
• M5: 2,288,249 km (0.099 R)
• M6: 2,631,277 km (0.084 R)
• M7: 3,075,433 km (0.093 R)
• M8: 3,694,319 km (0.12 R)
• M9: 5,023,048 km (0.111 R)
• M10: 5,474,534 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.4

Radius: 8.2

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.11 AU - 2.39 AU

Year: 2289 Days

Day: 8.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 96,284,418 km

• M1: 102,026 km (0.079 R)
• M2: 437,873 km (0.044 R)
• M3: 797,057 km (0.104 R)
• M4: 1,654,104 km (0.094 R)
• M5: 2,103,047 km (0.093 R)
• M6: 2,749,310 km (0.083 R)
• M7: 3,039,530 km (0.106 R)
• M8: 3,396,470 km (0.099 R)
• M9: 6,088,933 km (0.06 R)
• M10: 6,905,288 km (0.025 R)
• M11: 7,984,637 km (0.11 R)
• M12: 9,021,500 km (0.112 R)
• M13: 9,294,217 km (0.107 R)
• M14: 9,888,120 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.9

Radius: 14.7

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.73 AU - 2.89 AU

Year: 3195 Days

Day: 14.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 96,284,418 km

• M1: 182,809 km (0.088 R)
• M2: 982,858 km (0.044 R)
• M3: 2,030,641 km (0.058 R)
• M4: 2,832,636 km (0.118 R)
• M5: 3,402,454 km (0.119 R)
• M6: 3,984,689 km (0.032 R)
• M7: 6,143,386 km (0.105 R)
• M8: 7,233,805 km (0.03 R)
• M9: 7,927,490 km (0.1 R)
• M10: 8,485,490 km (0.096 R)
• M11: 9,032,271 km (0.106 R)
• M12: 10,116,406 km (0.109 R)
• M13: 11,415,963 km (0.038 R)
• M14: 11,947,933 km (0.117 R)
• M15: 13,061,839 km (0.04 R)
• M16: 13,693,591 km (0.106 R)
• M17: 14,965,771 km (0.081 R)
• M18: 16,482,693 km (0.068 R)
• M19: 17,105,918 km (0.092 R)
• M20: 19,568,598 km (0.052 R)
• M21: 24,233,060 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.6

Radius: 12.3

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.89 AU - 5.45 AU

Year: 6845 Days

Day: 14.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 96,284,418 km

• M1: 153,039 km (0.115 R)
• M2: 1,101,040 km (0.063 R)
• M3: 2,831,439 km (0.069 R)
• M4: 4,398,028 km (0.107 R)
• M5: 5,170,551 km (0.071 R)
• M6: 6,480,131 km (0.04 R)
• M7: 7,265,969 km (0.117 R)
• M8: 7,700,550 km (0.113 R)
• M9: 8,662,166 km (0.12 R)
• M10: 9,109,912 km (0.106 R)
• M11: 12,382,964 km (0.087 R)
• M12: 14,031,682 km (0.05 R)
• M13: 14,707,565 km (0.11 R)
• M14: 16,185,742 km (0.043 R)
• M15: 18,956,145 km (0.111 R)
• M16: 20,776,900 km (0.072 R)
• M17: 21,804,189 km (0.059 R)
• M18: 23,174,505 km (0.1 R)
• M19: 23,643,794 km (0.111 R)
• M20: 25,834,505 km (0.08 R)
• M21: 26,254,576 km (0.063 R)
• M22: 27,542,314 km (0.086 R)
• M23: 29,052,056 km (0.106 R)
• M24: 32,821,174 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.3

Radius: 7

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 9.35 AU - 11.41 AU

Year: 22682 Days

Day: 23.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 96,284,418 km

• M1: 89,310 km (0.116 R)
• M2: 374,892 km (0.086 R)
• M3: 653,144 km (0.034 R)
• M4: 1,231,490 km (0.091 R)
• M5: 2,452,358 km (0.115 R)
• M6: 2,761,427 km (0.043 R)
• M7: 4,454,875 km (0.026 R)
• M8: 5,409,758 km (0.07 R)
• M9: 5,743,960 km (0.052 R)
• M10: 7,717,605 km (0.117 R)
• M11: 10,104,139 km (0.053 R)
• M12: 10,611,426 km (0.076 R)
• M13: 12,617,832 km (0.104 R)
• M14: 12,942,460 km (0.104 R)
• M15: 14,437,391 km (0.105 R)
• M16: 18,672,058 km (0.108 R)
• M17: 21,944,811 km (0.057 R)
• M18: 31,341,801 km (0.097 R)
• M19: 37,642,863 km (0.115 R)
• M20: 47,184,515 km (0.086 R)
• M21: 58,938,420 km (0.045 R)
• M22: 62,248,123 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.2

Radius: 4.3

Gravity: 53.28 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 9.65 AU - 11.75 AU

Year: 23739 Days

Day: 17.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 96,284,418 km

• M1: 53,556 km (0.101 R)
• M2: 260,001 km (0.11 R)
• M3: 404,961 km (0.081 R)
• M4: 578,046 km (0.083 R)
• M5: 713,582 km (0.118 R)
• M6: 1,224,309 km (0.056 R)
• M7: 1,706,164 km (0.059 R)
• M8: 5,894,605 km (0.105 R)
• M9: 6,258,577 km (0.077 R)
• M10: 6,783,366 km (0.089 R)
• M11: 9,118,140 km (0.095 R)
• M12: 19,517,286 km (0.086 R)
• M13: 25,996,071 km (0.116 R)
• M14: 33,629,751 km (0.117 R)
• M15: 34,934,095 km (0.041 R)
• M16: 40,326,948 km (0.094 R)
• M17: 42,463,505 km (0.09 R)
• M18: 48,771,449 km (0.099 R)
• M19: 61,475,450 km (0.091 R)
• M20: 64,520,664 km (0.096 R)
• M21: 66,080,371 km (0.076 R)
• M22: 69,972,310 km (0.048 R)
• M23: 73,772,245 km (0.072 R)
• M24: 75,722,852 km (0.071 R)
• M25: 84,132,646 km (0.11 R)
• M26: 84,396,836 km (0.097 R)
• M27: 93,709,453 km (0.05 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: 418 - 18,492 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit