🌌 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: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.9

Radius: 12.7

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.53 AU - 0.75 AU

Year: 360 Days

Day: 6.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,401,257 km

• M1: 157,975 km (0.117 R)
• M2: 780,602 km (0.107 R)
• M3: 1,181,674 km (0.037 R)
• M4: 1,591,721 km (0.093 R)
• M5: 2,007,005 km (0.115 R)
• M6: 2,943,338 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.1

Radius: 13.5

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.09 AU - 1.41 AU

Year: 982 Days

Day: 8.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,401,257 km

• M1: 169,046 km (0.109 R)
• M2: 778,807 km (0.032 R)
• M3: 1,455,288 km (0.073 R)
• M4: 1,909,617 km (0.1 R)
• M5: 2,448,618 km (0.049 R)
• M6: 4,869,710 km (0.099 R)
• M7: 5,323,291 km (0.073 R)
• M8: 5,825,640 km (0.045 R)
• M9: 6,294,031 km (0.079 R)
• M10: 6,787,405 km (0.101 R)
• M11: 7,282,574 km (0.1 R)
• M12: 8,083,521 km (0.046 R)
• M13: 8,694,778 km (0.091 R)
• M14: 9,625,875 km (0.096 R)
• M15: 10,313,277 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.1

Radius: 13.4

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.37 AU - 2.07 AU

Year: 1586 Days

Day: 7 Hours

Environment

Temp: -193 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,401,257 km

• M1: 166,802 km (0.069 R)
• M2: 728,242 km (0.116 R)
• M3: 1,468,004 km (0.088 R)
• M4: 1,944,473 km (0.083 R)
• M5: 2,485,569 km (0.105 R)
• M6: 2,989,863 km (0.059 R)
• M7: 3,911,685 km (0.083 R)
• M8: 4,558,846 km (0.108 R)
• M9: 5,663,177 km (0.041 R)
• M10: 8,007,525 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.8

Radius: 12.4

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.98 AU - 2.62 AU

Year: 2452 Days

Day: 14.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,401,257 km

• M1: 154,235 km (0.101 R)
• M2: 552,016 km (0.106 R)
• M3: 1,041,650 km (0.117 R)
• M4: 1,749,846 km (0.066 R)
• M5: 2,295,879 km (0.074 R)
• M6: 2,716,847 km (0.114 R)
• M7: 3,471,867 km (0.062 R)
• M8: 4,126,358 km (0.094 R)
• M9: 5,238,469 km (0.09 R)
• M10: 7,084,806 km (0.062 R)
• M11: 8,546,377 km (0.069 R)
• M12: 9,776,670 km (0.076 R)
• M13: 13,778,113 km (0.092 R)
• M14: 14,446,517 km (0.095 R)
• M15: 16,041,978 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.4

Radius: 12.9

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.28 AU - 3.26 AU

Year: 3241 Days

Day: 11.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,401,257 km

• M1: 160,369 km (0.099 R)
• M2: 1,221,018 km (0.053 R)
• M3: 1,902,885 km (0.031 R)
• M4: 2,842,808 km (0.111 R)
• M5: 3,245,376 km (0.112 R)
• M6: 5,580,449 km (0.08 R)
• M7: 6,580,212 km (0.073 R)
• M8: 7,151,227 km (0.074 R)
• M9: 8,934,134 km (0.085 R)
• M10: 10,158,294 km (0.088 R)
• M11: 11,646,493 km (0.091 R)
• M12: 13,063,784 km (0.057 R)
• M13: 14,457,587 km (0.033 R)
• M14: 15,237,291 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.5

Radius: 8.6

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.1 AU - 4.5 AU

Year: 5207 Days

Day: 12.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,401,257 km

• M1: 106,962 km (0.107 R)
• M2: 415,732 km (0.115 R)
• M3: 751,131 km (0.092 R)
• M4: 2,109,928 km (0.062 R)
• M5: 2,819,621 km (0.098 R)
• M6: 3,476,954 km (0.085 R)
• M7: 3,813,100 km (0.058 R)
• M8: 4,130,098 km (0.067 R)
• M9: 4,400,421 km (0.07 R)
• M10: 5,831,923 km (0.104 R)
• M11: 6,752,848 km (0.117 R)
• M12: 8,744,295 km (0.111 R)
• M13: 10,171,309 km (0.081 R)
• M14: 10,783,314 km (0.117 R)
• M15: 13,434,637 km (0.071 R)
• M16: 14,741,524 km (0.117 R)
• M17: 15,326,900 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 234.8

Radius: 4

Gravity: 14.68 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.24 AU - 7.32 AU

Year: 12409 Days

Day: 20.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,401,257 km

• M1: 50,115 km (0.076 R)
• M2: 196,572 km (0.117 R)
• M3: 387,907 km (0.109 R)
• M4: 526,585 km (0.091 R)
• M5: 676,332 km (0.059 R)
• M6: 1,570,329 km (0.107 R)
• M7: 1,824,944 km (0.094 R)
• M8: 2,735,696 km (0.102 R)
• M9: 3,598,726 km (0.083 R)
• M10: 4,545,830 km (0.073 R)
• M11: 4,685,555 km (0.08 R)
• M12: 6,107,931 km (0.072 R)
• M13: 9,181,270 km (0.03 R)
• M14: 9,359,740 km (0.097 R)
• M15: 9,540,604 km (0.085 R)
• M16: 10,096,809 km (0.114 R)
• M17: 10,528,100 km (0.038 R)
• M18: 11,842,766 km (0.113 R)
• M19: 12,704,001 km (0.075 R)
• M20: 13,319,895 km (0.107 R)
• M21: 15,600,365 km (0.097 R)
• M22: 17,234,871 km (0.036 R)
• M23: 18,550,884 km (0.074 R)
• M24: 19,269,851 km (0.037 R)
• M25: 19,784,019 km (0.076 R)
• M26: 21,070,561 km (0.086 R)
• M27: 22,735,585 km (0.114 R)
• M28: 25,002,591 km (0.109 R)
• M29: 26,145,968 km (0.035 R)
• M30: 26,504,704 km (0.109 R)
• M31: 28,916,820 km (0.119 R)
• M32: 29,784,637 km (0.085 R)
• M33: 30,372,706 km (0.06 R)
• M34: 32,183,588 km (0.084 R)
• M35: 34,708,352 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.2

Radius: 4.7

Gravity: 33.37 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.88 AU - 7.32 AU

Year: 13298 Days

Day: 17.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,401,257 km

• M1: 58,642 km (0.058 R)
• M2: 232,026 km (0.102 R)
• M3: 428,149 km (0.082 R)
• M4: 656,435 km (0.113 R)
• M5: 809,025 km (0.075 R)
• M6: 1,077,553 km (0.118 R)
• M7: 1,461,272 km (0.086 R)
• M8: 1,878,201 km (0.053 R)
• M9: 2,349,883 km (0.112 R)
• M10: 2,537,928 km (0.088 R)
• M11: 2,920,450 km (0.066 R)
• M12: 4,646,211 km (0.119 R)
• M13: 5,797,067 km (0.079 R)
• M14: 6,063,650 km (0.092 R)
• M15: 6,259,025 km (0.101 R)
• M16: 6,828,544 km (0.092 R)
• M17: 7,212,413 km (0.077 R)
• M18: 9,299,303 km (0.109 R)
• M19: 9,454,885 km (0.085 R)
• M20: 12,876,487 km (0.115 R)
• M21: 16,887,655 km (0.1 R)
• M22: 18,800,114 km (0.109 R)
• M23: 19,299,920 km (0.055 R)
• M24: 20,066,161 km (0.095 R)
• M25: 30,101,485 km (0.05 R)
• M26: 37,935,626 km (0.097 R)
• M27: 39,135,850 km (0.118 R)
• M28: 41,752,467 km (0.093 R)
• M29: 43,463,717 km (0.038 R)
• M30: 44,336,620 km (0.049 R)
• M31: 51,582,842 km (0.075 R)
• M32: 54,219,055 km (0.112 R)
• M33: 59,401,275 km (0.09 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 10,480 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit