🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579

Radius: 11

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.73 AU - 1.03 AU

Year: 570 Days

Day: 10.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,349,393 km

• M1: 136,732 km (0.071 R)
• M2: 497,563 km (0.079 R)
• M3: 973,433 km (0.083 R)
• M4: 1,592,619 km (0.101 R)
• M5: 1,975,739 km (0.043 R)
• M6: 2,420,793 km (0.094 R)
• M7: 2,899,207 km (0.06 R)
• M8: 3,682,651 km (0.069 R)
• M9: 4,188,441 km (0.062 R)
• M10: 5,107,271 km (0.113 R)
• M11: 5,632,210 km (0.117 R)
• M12: 6,573,929 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.4

Radius: 9.1

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.9 AU - 0.9 AU

Year: 589 Days

Day: 7.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,349,393 km

• M1: 113,246 km (0.1 R)
• M2: 476,619 km (0.049 R)
• M3: 841,338 km (0.058 R)
• M4: 1,213,987 km (0.111 R)
• M5: 2,078,962 km (0.038 R)
• M6: 2,398,652 km (0.1 R)
• M7: 2,762,175 km (0.067 R)
• M8: 3,186,435 km (0.092 R)
• M9: 3,535,895 km (0.11 R)
• M10: 3,966,588 km (0.09 R)
• M11: 4,371,998 km (0.111 R)
• M12: 6,257,829 km (0.114 R)
• M13: 6,788,153 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.9

Radius: 10

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.12 AU - 1.58 AU

Year: 1083 Days

Day: 10.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 54.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,349,393 km

• M1: 124,465 km (0.055 R)
• M2: 477,666 km (0.101 R)
• M3: 796,160 km (0.119 R)
• M4: 1,130,062 km (0.115 R)
• M5: 1,551,031 km (0.102 R)
• M6: 2,150,320 km (0.115 R)
• M7: 2,702,186 km (0.051 R)
• M8: 3,046,710 km (0.116 R)
• M9: 3,375,826 km (0.102 R)
• M10: 4,805,682 km (0.102 R)
• M11: 5,314,614 km (0.112 R)
• M12: 5,645,375 km (0.113 R)
• M13: 6,302,857 km (0.12 R)
• M14: 6,864,897 km (0.106 R)
• M15: 7,744,083 km (0.072 R)
• M16: 8,224,592 km (0.119 R)
• M17: 9,363,929 km (0.046 R)
• M18: 10,222,023 km (0.074 R)
• M19: 11,537,586 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.5

Radius: 9.1

Gravity: 11.25 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.44 AU - 1.5 AU

Year: 1230 Days

Day: 7.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,349,393 km

• M1: 113,395 km (0.109 R)
• M2: 444,156 km (0.114 R)
• M3: 1,043,894 km (0.103 R)
• M4: 1,580,502 km (0.053 R)
• M5: 2,008,351 km (0.088 R)
• M6: 2,563,210 km (0.064 R)
• M7: 2,898,010 km (0.063 R)
• M8: 3,262,131 km (0.105 R)
• M9: 3,705,988 km (0.115 R)
• M10: 4,225,990 km (0.047 R)
• M11: 4,676,280 km (0.065 R)
• M12: 5,116,995 km (0.069 R)
• M13: 5,695,490 km (0.106 R)
• M14: 8,224,143 km (0.096 R)
• M15: 8,807,425 km (0.115 R)
• M16: 9,959,029 km (0.048 R)
• M17: 10,621,748 km (0.073 R)
• M18: 11,961,846 km (0.12 R)
• M19: 12,672,585 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.7

Radius: 13.6

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.31 AU - 1.63 AU

Year: 1230 Days

Day: 5.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,349,393 km

• M1: 169,195 km (0.105 R)
• M2: 757,264 km (0.115 R)
• M3: 1,256,024 km (0.065 R)
• M4: 1,736,532 km (0.066 R)
• M5: 2,363,198 km (0.115 R)
• M6: 2,862,256 km (0.049 R)
• M7: 3,303,570 km (0.102 R)
• M8: 4,043,930 km (0.059 R)
• M9: 4,819,146 km (0.109 R)
• M10: 5,409,309 km (0.119 R)
• M11: 5,836,112 km (0.081 R)
• M12: 6,575,425 km (0.083 R)
• M13: 7,015,243 km (0.057 R)
• M14: 7,474,658 km (0.054 R)
• M15: 8,975,573 km (0.117 R)
• M16: 10,265,256 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.5

Radius: 8.4

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.34 AU - 1.74 AU

Year: 1319 Days

Day: 8.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,349,393 km

• M1: 104,719 km (0.109 R)
• M2: 1,738,327 km (0.086 R)
• M3: 2,040,515 km (0.079 R)
• M4: 2,577,422 km (0.088 R)
• M5: 2,998,091 km (0.044 R)
• M6: 5,589,575 km (0.11 R)
• M7: 6,925,933 km (0.07 R)
• M8: 8,109,102 km (0.111 R)
• M9: 8,907,356 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.5

Radius: 12.7

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.19 AU - 2.99 AU

Year: 2877 Days

Day: 11.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,349,393 km

• M1: 157,975 km (0.111 R)
• M2: 945,309 km (0.032 R)
• M3: 1,369,718 km (0.108 R)
• M4: 1,816,268 km (0.077 R)
• M5: 2,221,828 km (0.105 R)
• M6: 3,665,746 km (0.039 R)
• M7: 5,279,309 km (0.08 R)
• M8: 6,037,172 km (0.075 R)
• M9: 6,485,666 km (0.04 R)
• M10: 8,369,851 km (0.11 R)
• M11: 9,290,626 km (0.063 R)
• M12: 9,851,917 km (0.099 R)
• M13: 10,515,384 km (0.116 R)
• M14: 11,417,908 km (0.042 R)
• M15: 12,959,364 km (0.108 R)
• M16: 13,565,834 km (0.086 R)
• M17: 18,009,639 km (0.044 R)
• M18: 19,481,832 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.5

Radius: 14.6

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.86 AU - 4.44 AU

Year: 5836 Days

Day: 6.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,349,393 km

• M1: 181,612 km (0.099 R)
• M2: 637,586 km (0.078 R)
• M3: 1,218,923 km (0.076 R)
• M4: 1,867,430 km (0.082 R)
• M5: 2,670,023 km (0.091 R)
• M6: 3,202,890 km (0.094 R)
• M7: 4,384,714 km (0.088 R)
• M8: 5,840,450 km (0.05 R)
• M9: 6,512,444 km (0.051 R)
• M10: 7,023,620 km (0.098 R)
• M11: 7,525,072 km (0.046 R)
• M12: 8,843,179 km (0.047 R)
• M13: 9,951,250 km (0.093 R)
• M14: 11,636,022 km (0.086 R)
• M15: 12,755,313 km (0.114 R)
• M16: 14,112,914 km (0.069 R)
• M17: 14,798,072 km (0.086 R)
• M18: 16,796,849 km (0.114 R)
• M19: 18,901,541 km (0.107 R)
• M20: 20,017,541 km (0.109 R)
• M21: 23,313,033 km (0.098 R)
• M22: 25,006,930 km (0.039 R)
• M23: 29,923,763 km (0.033 R)
• M24: 31,728,661 km (0.099 R)
• M25: 33,004,881 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640.5

Radius: 3.9

Gravity: 42.11 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 7.28 AU - 9.58 AU

Year: 16895 Days

Day: 24.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 75,349,393 km

• M1: 49,816 km (0.07 R)
• M2: 251,025 km (0.039 R)
• M3: 476,020 km (0.065 R)
• M4: 655,089 km (0.039 R)
• M5: 1,001,857 km (0.042 R)
• M6: 1,229,844 km (0.086 R)
• M7: 2,008,651 km (0.082 R)
• M8: 2,392,968 km (0.062 R)
• M9: 2,614,073 km (0.049 R)
• M10: 2,872,728 km (0.119 R)
• M11: 3,305,963 km (0.08 R)
• M12: 3,468,726 km (0.045 R)
• M13: 4,081,329 km (0.043 R)
• M14: 5,294,119 km (0.109 R)
• M15: 5,517,319 km (0.102 R)
• M16: 10,863,049 km (0.096 R)
• M17: 13,973,189 km (0.105 R)
• M18: 14,688,417 km (0.107 R)
• M19: 15,352,631 km (0.074 R)
• M20: 17,793,919 km (0.098 R)
• M21: 18,633,462 km (0.11 R)
• M22: 18,890,322 km (0.088 R)
• M23: 23,230,156 km (0.116 R)
• M24: 24,029,457 km (0.109 R)
• M25: 25,472,179 km (0.119 R)
• M26: 26,753,784 km (0.051 R)
• M27: 27,190,311 km (0.031 R)
• M28: 31,456,543 km (0.095 R)
• M29: 33,938,222 km (0.035 R)
• M30: 34,707,454 km (0.078 R)
• M31: 37,491,321 km (0.067 R)
• M32: 40,135,014 km (0.11 R)
• M33: 40,277,432 km (0.063 R)
• M34: 44,101,751 km (0.054 R)
• M35: 45,017,290 km (0.054 R)
• M36: 45,171,077 km (0.101 R)
• M37: 53,145,691 km (0.074 R)
• M38: 55,585,183 km (0.051 R)
• M39: 58,280,787 km (0.077 R)
• M40: 58,646,554 km (0.077 R)
• M41: 63,930,650 km (0.037 R)
• M42: 64,710,504 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.2

Radius: 4.3

Gravity: 34.35 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.63 AU - 10.53 AU

Year: 20467 Days

Day: 17.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,349,393 km

• M1: 56,249 km (0.053 R)
• M2: 385,663 km (0.094 R)
• M3: 1,174,343 km (0.101 R)
• M4: 1,376,899 km (0.046 R)
• M5: 2,960,991 km (0.071 R)
• M6: 5,513,280 km (0.084 R)
• M7: 8,021,587 km (0.091 R)
• M8: 12,925,555 km (0.102 R)
• M9: 13,490,287 km (0.087 R)
• M10: 13,778,712 km (0.11 R)
• M11: 16,727,436 km (0.106 R)
• M12: 20,827,165 km (0.089 R)
• M13: 27,923,939 km (0.063 R)
• M14: 30,195,582 km (0.085 R)
• M15: 33,106,607 km (0.109 R)
• M16: 36,199,244 km (0.054 R)
• M17: 40,068,742 km (0.107 R)
• M18: 62,993,120 km (0.058 R)
• M19: 70,057,132 km (0.119 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: 459 - 15,669 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit