🌌 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: 530

Radius: 9

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.6 AU - 0.66 AU

Year: 339 Days

Day: 13 Hours

Environment

Temp: -147 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,662,541 km

• M1: 111,899 km (0.093 R)
• M2: 519,105 km (0.082 R)
• M3: 828,174 km (0.103 R)
• M4: 1,189,303 km (0.067 R)
• M5: 1,674,898 km (0.078 R)
• M6: 2,197,892 km (0.093 R)
• M7: 2,547,353 km (0.076 R)
• M8: 2,953,511 km (0.097 R)
• M9: 4,030,316 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567

Radius: 15

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.84 AU - 1.24 AU

Year: 719 Days

Day: 11.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,662,541 km

• M1: 186,549 km (0.032 R)
• M2: 757,564 km (0.079 R)
• M3: 1,317,658 km (0.119 R)
• M4: 1,928,167 km (0.059 R)
• M5: 2,420,942 km (0.069 R)
• M6: 3,046,112 km (0.107 R)
• M7: 3,588,105 km (0.068 R)
• M8: 4,254,414 km (0.11 R)
• M9: 5,670,208 km (0.11 R)
• M10: 6,161,039 km (0.083 R)
• M11: 7,625,901 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.5

Radius: 10.6

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.21 AU - 1.59 AU

Year: 1124 Days

Day: 7.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,662,541 km

• M1: 133,890 km (0.046 R)
• M2: 476,170 km (0.105 R)
• M3: 1,201,271 km (0.095 R)
• M4: 2,582,358 km (0.064 R)
• M5: 2,943,338 km (0.119 R)
• M6: 4,309,466 km (0.115 R)
• M7: 5,016,615 km (0.091 R)
• M8: 6,701,685 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.1

Radius: 13.9

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.2 AU - 1.82 AU

Year: 1259 Days

Day: 11 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,662,541 km

• M1: 172,935 km (0.113 R)
• M2: 613,351 km (0.079 R)
• M3: 1,146,219 km (0.102 R)
• M4: 2,365,292 km (0.05 R)
• M5: 2,912,820 km (0.043 R)
• M6: 3,761,938 km (0.094 R)
• M7: 5,314,165 km (0.046 R)
• M8: 5,810,232 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.5

Radius: 14.6

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.55 AU - 1.65 AU

Year: 1373 Days

Day: 9.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,662,541 km

• M1: 181,612 km (0.116 R)
• M2: 695,780 km (0.101 R)
• M3: 1,434,494 km (0.081 R)
• M4: 2,194,750 km (0.081 R)
• M5: 3,883,561 km (0.1 R)
• M6: 4,571,711 km (0.084 R)
• M7: 5,609,172 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.1

Radius: 8.4

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.4 AU - 2.1 AU

Year: 1570 Days

Day: 5.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,662,541 km

• M1: 104,419 km (0.032 R)
• M2: 400,773 km (0.115 R)
• M3: 917,633 km (0.108 R)
• M4: 1,181,374 km (0.116 R)
• M5: 1,675,646 km (0.1 R)
• M6: 2,474,947 km (0.063 R)
• M7: 4,839,342 km (0.099 R)
• M8: 5,145,419 km (0.068 R)
• M9: 5,977,482 km (0.086 R)
• M10: 6,457,990 km (0.099 R)
• M11: 6,785,011 km (0.089 R)
• M12: 7,077,475 km (0.103 R)
• M13: 7,496,200 km (0.065 R)
• M14: 7,906,696 km (0.068 R)
• M15: 8,205,443 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.3

Radius: 10.6

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.57 AU - 5.45 AU

Year: 7606 Days

Day: 8.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,662,541 km

• M1: 132,095 km (0.102 R)
• M2: 518,955 km (0.079 R)
• M3: 964,009 km (0.097 R)
• M4: 1,365,380 km (0.095 R)
• M5: 2,573,981 km (0.089 R)
• M6: 3,456,010 km (0.109 R)
• M7: 4,335,645 km (0.12 R)
• M8: 4,813,760 km (0.104 R)
• M9: 5,809,484 km (0.074 R)
• M10: 6,391,719 km (0.088 R)
• M11: 7,164,092 km (0.098 R)
• M12: 7,915,523 km (0.035 R)
• M13: 8,675,181 km (0.103 R)
• M14: 9,162,720 km (0.099 R)
• M15: 10,241,620 km (0.118 R)
• M16: 11,827,208 km (0.102 R)
• M17: 12,261,640 km (0.078 R)
• M18: 15,096,071 km (0.066 R)
• M19: 19,368,586 km (0.081 R)
• M20: 23,184,528 km (0.109 R)
• M21: 23,694,358 km (0.111 R)
• M22: 40,088,489 km (0.075 R)
• M23: 41,317,885 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.5

Radius: 4.6

Gravity: 18.74 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.12 AU - 6.7 AU

Year: 9745 Days

Day: 22.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,662,541 km

• M1: 57,296 km (0.096 R)
• M2: 955,332 km (0.083 R)
• M3: 1,557,763 km (0.114 R)
• M4: 3,131,233 km (0.085 R)
• M5: 4,475,071 km (0.118 R)
• M6: 5,136,742 km (0.1 R)
• M7: 5,443,867 km (0.065 R)
• M8: 6,060,958 km (0.114 R)
• M9: 7,318,178 km (0.099 R)
• M10: 9,492,134 km (0.1 R)
• M11: 10,287,098 km (0.086 R)
• M12: 12,993,173 km (0.074 R)
• M13: 13,912,752 km (0.101 R)
• M14: 18,806,547 km (0.102 R)
• M15: 29,118,328 km (0.063 R)
• M16: 34,206,002 km (0.091 R)
• M17: 38,215,374 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346.2

Radius: 4

Gravity: 21.64 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.79 AU - 7.55 AU

Year: 11684 Days

Day: 15.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,662,541 km

• M1: 49,816 km (0.041 R)
• M2: 210,335 km (0.11 R)
• M3: 487,988 km (0.109 R)
• M4: 864,077 km (0.077 R)
• M5: 1,285,794 km (0.116 R)
• M6: 1,597,855 km (0.096 R)
• M7: 1,771,837 km (0.026 R)
• M8: 2,210,009 km (0.095 R)
• M9: 2,944,086 km (0.119 R)
• M10: 4,442,010 km (0.06 R)
• M11: 6,897,958 km (0.073 R)
• M12: 8,826,873 km (0.117 R)
• M13: 10,779,723 km (0.049 R)
• M14: 11,191,716 km (0.084 R)
• M15: 12,434,725 km (0.058 R)
• M16: 14,936,599 km (0.099 R)
• M17: 16,237,951 km (0.088 R)
• M18: 17,542,445 km (0.07 R)
• M19: 18,767,502 km (0.057 R)
• M20: 21,872,555 km (0.053 R)
• M21: 22,615,608 km (0.116 R)
• M22: 25,213,524 km (0.115 R)
• M23: 26,770,539 km (0.066 R)
• M24: 28,977,556 km (0.085 R)
• M25: 37,595,291 km (0.094 R)
• M26: 38,066,076 km (0.103 R)
• M27: 38,660,129 km (0.117 R)
• M28: 39,260,316 km (0.045 R)
• M29: 39,623,240 km (0.111 R)
• M30: 39,988,558 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 776.1

Radius: 3.1

Gravity: 80.76 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.64 AU - 8.44 AU

Year: 14043 Days

Day: 17.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 62,662,541 km

• M1: 50,115 km (0.11 R)
• M2: 192,682 km (0.106 R)
• M3: 330,163 km (0.085 R)
• M4: 517,309 km (0.101 R)
• M5: 618,587 km (0.077 R)
• M6: 733,030 km (0.071 R)
• M7: 840,890 km (0.106 R)
• M8: 1,646,325 km (0.111 R)
• M9: 1,850,526 km (0.077 R)
• M10: 2,840,265 km (0.117 R)
• M11: 3,159,507 km (0.077 R)
• M12: 3,640,165 km (0.066 R)
• M13: 4,812,115 km (0.027 R)
• M14: 6,173,904 km (0.086 R)
• M15: 6,416,701 km (0.069 R)
• M16: 6,582,007 km (0.05 R)
• M17: 7,726,431 km (0.115 R)
• M18: 8,894,940 km (0.075 R)
• M19: 9,467,750 km (0.098 R)
• M20: 9,682,124 km (0.105 R)
• M21: 11,393,673 km (0.101 R)
• M22: 12,640,422 km (0.105 R)
• M23: 12,834,899 km (0.099 R)
• M24: 15,772,104 km (0.12 R)
• M25: 17,236,667 km (0.108 R)
• M26: 18,289,387 km (0.038 R)
• M27: 18,538,168 km (0.076 R)
• M28: 20,079,026 km (0.089 R)
• M29: 20,790,514 km (0.112 R)
• M30: 21,426,604 km (0.115 R)
• M31: 21,703,210 km (0.117 R)
• M32: 22,169,507 km (0.103 R)
• M33: 22,929,314 km (0.081 R)
• M34: 26,352,563 km (0.102 R)
• M35: 27,204,672 km (0.077 R)
• M36: 28,517,244 km (0.1 R)
• M37: 32,707,031 km (0.096 R)
• M38: 33,690,637 km (0.108 R)
• M39: 46,610,657 km (0.104 R)
• M40: 49,281,727 km (0.047 R)
• M41: 55,444,262 km (0.12 R)
• M42: 62,474,913 km (0.086 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 12,786 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit