🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505

Radius: 9.3

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.87 AU - 0.99 AU

Year: 619 Days

Day: 8.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,040,485 km

• M1: 115,639 km (0.046 R)
• M2: 418,724 km (0.054 R)
• M3: 734,825 km (0.115 R)
• M4: 1,297,911 km (0.118 R)
• M5: 1,902,885 km (0.076 R)
• M6: 2,400,298 km (0.039 R)
• M7: 2,803,763 km (0.095 R)
• M8: 3,276,493 km (0.081 R)
• M9: 3,694,918 km (0.082 R)
• M10: 5,019,906 km (0.114 R)
• M11: 5,404,373 km (0.104 R)
• M12: 5,826,239 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.3

Radius: 8.7

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.15 AU - 1.19 AU

Year: 874 Days

Day: 11.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,040,485 km

• M1: 109,954 km (0.06 R)
• M2: 423,811 km (0.062 R)
• M3: 695,630 km (0.09 R)
• M4: 1,029,981 km (0.119 R)
• M5: 1,302,399 km (0.08 R)
• M6: 1,657,096 km (0.108 R)
• M7: 2,552,439 km (0.05 R)
• M8: 2,835,628 km (0.101 R)
• M9: 3,272,902 km (0.112 R)
• M10: 3,739,947 km (0.103 R)
• M11: 4,106,910 km (0.083 R)
• M12: 4,824,681 km (0.066 R)
• M13: 5,487,998 km (0.109 R)
• M14: 6,748,809 km (0.091 R)
• M15: 7,294,243 km (0.096 R)
• M16: 8,577,044 km (0.084 R)
• M17: 8,920,072 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.6

Radius: 11

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.8 AU - 1.8 AU

Year: 1667 Days

Day: 14.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,040,485 km

• M1: 136,732 km (0.101 R)
• M2: 479,760 km (0.112 R)
• M3: 934,239 km (0.095 R)
• M4: 1,580,352 km (0.052 R)
• M5: 2,166,476 km (0.112 R)
• M6: 2,999,737 km (0.1 R)
• M7: 3,408,887 km (0.114 R)
• M8: 3,759,694 km (0.093 R)
• M9: 4,427,947 km (0.102 R)
• M10: 5,332,715 km (0.051 R)
• M11: 6,132,914 km (0.1 R)
• M12: 7,557,086 km (0.112 R)
• M13: 8,761,798 km (0.056 R)
• M14: 9,395,494 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.3

Radius: 9.6

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.11 AU - 2.29 AU

Year: 2252 Days

Day: 12.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,040,485 km

• M1: 119,678 km (0.084 R)
• M2: 429,047 km (0.072 R)
• M3: 1,250,040 km (0.1 R)
• M4: 1,599,052 km (0.03 R)
• M5: 1,909,168 km (0.104 R)
• M6: 2,324,452 km (0.031 R)
• M7: 2,638,906 km (0.073 R)
• M8: 3,238,345 km (0.068 R)
• M9: 3,704,642 km (0.101 R)
• M10: 4,039,890 km (0.054 R)
• M11: 4,375,289 km (0.045 R)
• M12: 5,124,625 km (0.064 R)
• M13: 5,783,902 km (0.119 R)
• M14: 6,159,692 km (0.104 R)
• M15: 6,498,681 km (0.11 R)
• M16: 6,960,639 km (0.093 R)
• M17: 7,473,461 km (0.105 R)
• M18: 8,542,936 km (0.075 R)
• M19: 11,957,059 km (0.107 R)
• M20: 12,945,302 km (0.099 R)
• M21: 13,502,853 km (0.053 R)
• M22: 16,286,122 km (0.116 R)
• M23: 16,885,560 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.8

Radius: 10.3

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.61 AU - 4.35 AU

Year: 4481 Days

Day: 10.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,040,485 km

• M1: 128,205 km (0.111 R)
• M2: 650,751 km (0.085 R)
• M3: 1,191,397 km (0.118 R)
• M4: 1,844,093 km (0.103 R)
• M5: 2,674,062 km (0.099 R)
• M6: 3,306,562 km (0.084 R)
• M7: 3,854,240 km (0.114 R)
• M8: 4,223,746 km (0.042 R)
• M9: 4,963,358 km (0.115 R)
• M10: 5,477,526 km (0.107 R)
• M11: 6,329,187 km (0.074 R)
• M12: 7,801,080 km (0.054 R)
• M13: 8,294,155 km (0.108 R)
• M14: 11,744,480 km (0.08 R)
• M15: 12,087,358 km (0.075 R)
• M16: 13,248,387 km (0.111 R)
• M17: 13,666,962 km (0.077 R)
• M18: 14,727,761 km (0.114 R)
• M19: 16,795,802 km (0.062 R)
• M20: 17,286,483 km (0.055 R)
• M21: 19,824,710 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.7

Radius: 14.6

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.73 AU - 4.45 AU

Year: 5709 Days

Day: 10.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,040,485 km

• M1: 181,612 km (0.072 R)
• M2: 741,557 km (0.098 R)
• M3: 1,489,396 km (0.067 R)
• M4: 3,430,429 km (0.105 R)
• M5: 4,742,701 km (0.081 R)
• M6: 7,455,210 km (0.118 R)
• M7: 10,088,282 km (0.105 R)
• M8: 12,381,318 km (0.088 R)
• M9: 13,566,433 km (0.089 R)
• M10: 14,474,791 km (0.099 R)
• M11: 21,701,864 km (0.114 R)
• M12: 22,708,059 km (0.053 R)
• M13: 23,907,385 km (0.109 R)
• M14: 30,834,814 km (0.069 R)
• M15: 32,604,706 km (0.048 R)
• M16: 33,616,736 km (0.101 R)
• M17: 34,545,439 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.5

Radius: 13

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.49 AU - 5.21 AU

Year: 7373 Days

Day: 12.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,040,485 km

• M1: 161,715 km (0.067 R)
• M2: 566,378 km (0.117 R)
• M3: 974,780 km (0.089 R)
• M4: 1,756,129 km (0.09 R)
• M5: 2,240,228 km (0.12 R)
• M6: 3,526,022 km (0.073 R)
• M7: 4,257,855 km (0.116 R)
• M8: 5,116,247 km (0.068 R)
• M9: 5,871,268 km (0.111 R)
• M10: 8,627,908 km (0.079 R)
• M11: 9,871,066 km (0.118 R)
• M12: 13,551,922 km (0.107 R)
• M13: 14,882,595 km (0.115 R)
• M14: 15,403,494 km (0.091 R)
• M15: 15,996,351 km (0.077 R)
• M16: 16,543,131 km (0.099 R)
• M17: 17,039,497 km (0.112 R)
• M18: 17,931,998 km (0.118 R)
• M19: 20,583,321 km (0.042 R)
• M20: 21,595,799 km (0.049 R)
• M21: 23,253,493 km (0.11 R)
• M22: 24,671,830 km (0.112 R)
• M23: 28,028,807 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594.9

Radius: 4.1

Gravity: 35.39 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.61 AU - 6.63 AU

Year: 11757 Days

Day: 16.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,040,485 km

• M1: 51,013 km (0.059 R)
• M2: 179,069 km (0.098 R)
• M3: 2,068,939 km (0.063 R)
• M4: 2,347,191 km (0.108 R)
• M5: 3,069,898 km (0.104 R)
• M6: 4,475,370 km (0.12 R)
• M7: 10,717,191 km (0.063 R)
• M8: 13,580,495 km (0.081 R)
• M9: 13,834,512 km (0.062 R)
• M10: 19,205,075 km (0.077 R)
• M11: 24,575,340 km (0.095 R)
• M12: 27,804,260 km (0.112 R)
• M13: 48,096,763 km (0.117 R)
• M14: 50,183,354 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372

Radius: 3.2

Gravity: 36.33 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.92 AU - 7.2 AU

Year: 12948 Days

Day: 24.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 37,040,485 km

• M1: 40,242 km (0.108 R)
• M2: 178,470 km (0.104 R)
• M3: 394,639 km (0.078 R)
• M4: 1,280,558 km (0.04 R)
• M5: 1,769,294 km (0.085 R)
• M6: 2,278,525 km (0.091 R)
• M7: 4,075,345 km (0.087 R)
• M8: 4,557,948 km (0.105 R)
• M9: 5,205,408 km (0.099 R)
• M10: 6,269,946 km (0.116 R)
• M11: 6,795,184 km (0.102 R)
• M12: 8,279,345 km (0.098 R)
• M13: 10,524,210 km (0.095 R)
• M14: 12,728,684 km (0.105 R)
• M15: 15,555,486 km (0.105 R)
• M16: 16,029,711 km (0.061 R)
• M17: 20,416,369 km (0.094 R)
• M18: 20,821,181 km (0.08 R)
• M19: 21,231,379 km (0.066 R)
• M20: 21,396,983 km (0.101 R)
• M21: 21,563,336 km (0.086 R)
• M22: 24,254,452 km (0.03 R)
• M23: 25,446,598 km (0.03 R)
• M24: 25,915,438 km (0.069 R)
• M25: 26,581,298 km (0.114 R)
• M26: 31,457,440 km (0.063 R)
• M27: 33,766,184 km (0.086 R)
• M28: 35,599,207 km (0.11 R)
• M29: 36,067,598 km (0.104 R)
• M30: 42,535,911 km (0.075 R)
• M31: 44,265,711 km (0.072 R)
• M32: 45,079,673 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.4

Radius: 5.5

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.1 AU - 8.74 AU

Year: 13951 Days

Day: 24.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,040,485 km

• M1: 68,965 km (0.081 R)
• M2: 396,285 km (0.03 R)
• M3: 605,423 km (0.096 R)
• M4: 788,082 km (0.081 R)
• M5: 1,096,852 km (0.104 R)
• M6: 1,547,291 km (0.084 R)
• M7: 1,807,741 km (0.101 R)
• M8: 2,097,063 km (0.084 R)
• M9: 3,415,020 km (0.113 R)
• M10: 4,182,756 km (0.119 R)
• M11: 4,745,544 km (0.118 R)
• M12: 5,089,020 km (0.095 R)
• M13: 5,922,580 km (0.102 R)
• M14: 6,119,450 km (0.054 R)
• M15: 7,546,465 km (0.086 R)
• M16: 8,794,859 km (0.062 R)
• M17: 11,796,540 km (0.099 R)
• M18: 12,480,053 km (0.112 R)
• M19: 18,435,843 km (0.092 R)
• M20: 20,528,269 km (0.109 R)
• M21: 22,773,882 km (0.083 R)
• M22: 24,414,672 km (0.092 R)
• M23: 25,522,444 km (0.057 R)
• M24: 25,869,960 km (0.084 R)
• M25: 28,764,379 km (0.091 R)
• M26: 32,574,936 km (0.032 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 18,189 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit