🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.8

Radius: 14.7

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.75 AU - 1.13 AU

Year: 579 Days

Day: 7.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,226,328 km

• M1: 182,958 km (0.118 R)
• M2: 717,322 km (0.084 R)
• M3: 1,417,739 km (0.1 R)
• M4: 1,978,133 km (0.09 R)
• M5: 2,463,727 km (0.09 R)
• M6: 3,175,215 km (0.098 R)
• M7: 3,963,296 km (0.107 R)
• M8: 4,633,495 km (0.071 R)
• M9: 5,540,656 km (0.093 R)
• M10: 6,163,283 km (0.095 R)
• M11: 6,748,809 km (0.112 R)
• M12: 7,349,295 km (0.117 R)
• M13: 7,915,373 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.9

Radius: 9.8

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.86 AU - 1.06 AU

Year: 598 Days

Day: 6.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,226,328 km

• M1: 122,221 km (0.099 R)
• M2: 552,315 km (0.095 R)
• M3: 930,648 km (0.107 R)
• M4: 1,623,885 km (0.118 R)
• M5: 2,057,120 km (0.053 R)
• M6: 2,371,126 km (0.061 R)
• M7: 2,978,793 km (0.111 R)
• M8: 3,592,593 km (0.111 R)
• M9: 4,243,493 km (0.115 R)
• M10: 4,709,191 km (0.093 R)
• M11: 5,122,979 km (0.067 R)
• M12: 5,560,852 km (0.076 R)
• M13: 6,023,708 km (0.119 R)
• M14: 7,196,854 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.7

Radius: 10

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.21 AU - 1.47 AU

Year: 986 Days

Day: 9 Hours

Environment

Temp: -165 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,226,328 km

• M1: 124,914 km (0.114 R)
• M2: 532,419 km (0.115 R)
• M3: 983,905 km (0.083 R)
• M4: 1,403,976 km (0.099 R)
• M5: 1,748,949 km (0.108 R)
• M6: 2,238,583 km (0.095 R)
• M7: 2,589,689 km (0.06 R)
• M8: 2,937,055 km (0.032 R)
• M9: 3,524,675 km (0.119 R)
• M10: 3,920,362 km (0.035 R)
• M11: 4,363,171 km (0.101 R)
• M12: 4,820,193 km (0.1 R)
• M13: 5,681,129 km (0.063 R)
• M14: 6,807,451 km (0.112 R)
• M15: 8,458,563 km (0.111 R)
• M16: 8,967,644 km (0.113 R)
• M17: 9,984,760 km (0.086 R)
• M18: 10,977,492 km (0.071 R)
• M19: 11,379,012 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.3

Radius: 13.5

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.82 AU - 2.94 AU

Year: 2335 Days

Day: 12.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,226,328 km

• M1: 168,298 km (0.078 R)
• M2: 824,883 km (0.059 R)
• M3: 1,591,871 km (0.112 R)
• M4: 2,016,579 km (0.038 R)
• M5: 2,786,859 km (0.081 R)
• M6: 3,729,774 km (0.091 R)
• M7: 5,659,587 km (0.109 R)
• M8: 6,916,957 km (0.077 R)
• M9: 7,479,894 km (0.093 R)
• M10: 8,697,770 km (0.119 R)
• M11: 12,025,126 km (0.084 R)
• M12: 12,614,840 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.7

Radius: 13.9

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.55 AU - 4.23 AU

Year: 3969 Days

Day: 13 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,226,328 km

• M1: 173,085 km (0.1 R)
• M2: 683,064 km (0.082 R)
• M3: 1,208,751 km (0.119 R)
• M4: 1,647,671 km (0.111 R)
• M5: 2,209,860 km (0.055 R)
• M6: 2,734,350 km (0.12 R)
• M7: 3,304,767 km (0.114 R)
• M8: 4,433,782 km (0.099 R)
• M9: 5,050,574 km (0.041 R)
• M10: 5,616,802 km (0.114 R)
• M11: 6,665,184 km (0.104 R)
• M12: 7,509,514 km (0.087 R)
• M13: 8,673,236 km (0.114 R)
• M14: 9,411,950 km (0.08 R)
• M15: 11,971,570 km (0.087 R)
• M16: 13,077,098 km (0.107 R)
• M17: 14,149,266 km (0.075 R)
• M18: 14,706,817 km (0.083 R)
• M19: 16,247,675 km (0.057 R)
• M20: 16,747,033 km (0.08 R)
• M21: 20,728,879 km (0.075 R)
• M22: 21,185,153 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.9

Radius: 14.1

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.25 AU - 6.41 AU

Year: 7824 Days

Day: 11 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,226,328 km

• M1: 175,478 km (0.118 R)
• M2: 822,040 km (0.077 R)
• M3: 1,299,557 km (0.083 R)
• M4: 2,095,268 km (0.102 R)
• M5: 2,720,886 km (0.103 R)
• M6: 3,906,150 km (0.085 R)
• M7: 5,071,069 km (0.072 R)
• M8: 5,539,609 km (0.052 R)
• M9: 6,492,099 km (0.048 R)
• M10: 7,551,252 km (0.115 R)
• M11: 8,080,828 km (0.119 R)
• M12: 9,214,930 km (0.099 R)
• M13: 10,353,369 km (0.099 R)
• M14: 11,163,292 km (0.071 R)
• M15: 12,738,558 km (0.116 R)
• M16: 16,259,493 km (0.072 R)
• M17: 17,919,880 km (0.081 R)
• M18: 23,491,952 km (0.093 R)
• M19: 24,097,075 km (0.098 R)
• M20: 27,375,662 km (0.103 R)
• M21: 35,704,973 km (0.066 R)
• M22: 38,023,889 km (0.086 R)
• M23: 40,195,452 km (0.071 R)
• M24: 42,831,965 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.2

Radius: 12.4

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.71 AU - 6.09 AU

Year: 9112 Days

Day: 6.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,226,328 km

• M1: 154,235 km (0.108 R)
• M2: 599,289 km (0.118 R)
• M3: 1,154,447 km (0.051 R)
• M4: 1,691,802 km (0.057 R)
• M5: 2,112,023 km (0.06 R)
• M6: 2,544,211 km (0.047 R)
• M7: 3,057,780 km (0.078 R)
• M8: 3,590,798 km (0.094 R)
• M9: 4,695,728 km (0.093 R)
• M10: 5,184,165 km (0.098 R)
• M11: 6,481,627 km (0.107 R)
• M12: 7,088,695 km (0.079 R)
• M13: 7,816,638 km (0.12 R)
• M14: 9,327,427 km (0.069 R)
• M15: 9,904,576 km (0.098 R)
• M16: 10,352,921 km (0.103 R)
• M17: 11,398,161 km (0.089 R)
• M18: 12,284,080 km (0.105 R)
• M19: 14,763,664 km (0.105 R)
• M20: 15,415,761 km (0.093 R)
• M21: 18,515,878 km (0.107 R)
• M22: 19,351,532 km (0.114 R)
• M23: 20,132,881 km (0.079 R)
• M24: 21,758,711 km (0.039 R)
• M25: 28,040,475 km (0.118 R)
• M26: 30,901,983 km (0.099 R)
• M27: 38,041,991 km (0.117 R)
• M28: 44,033,984 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.6

Radius: 3

Gravity: 107.96 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 10.06 AU - 11.08 AU

Year: 21850 Days

Day: 20.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,226,328 km

• M1: 50,863 km (0.037 R)
• M2: 193,879 km (0.049 R)
• M3: 337,194 km (0.087 R)
• M4: 451,935 km (0.075 R)
• M5: 1,169,257 km (0.102 R)
• M6: 1,540,409 km (0.115 R)
• M7: 1,901,987 km (0.09 R)
• M8: 3,206,780 km (0.085 R)
• M9: 3,324,513 km (0.067 R)
• M10: 3,537,541 km (0.108 R)
• M11: 3,631,638 km (0.099 R)
• M12: 4,703,656 km (0.078 R)
• M13: 4,972,035 km (0.068 R)
• M14: 5,373,107 km (0.106 R)
• M15: 13,763,004 km (0.109 R)
• M16: 14,550,039 km (0.044 R)
• M17: 14,954,701 km (0.05 R)
• M18: 16,041,679 km (0.115 R)
• M19: 16,473,418 km (0.108 R)
• M20: 19,324,754 km (0.104 R)
• M21: 21,225,395 km (0.07 R)
• M22: 21,536,558 km (0.084 R)
• M23: 24,023,174 km (0.078 R)
• M24: 24,816,342 km (0.099 R)
• M25: 27,545,306 km (0.112 R)
• M26: 27,668,276 km (0.107 R)
• M27: 31,262,514 km (0.05 R)
• M28: 33,170,934 km (0.083 R)
• M29: 35,011,287 km (0.116 R)
• M30: 37,973,624 km (0.082 R)
• M31: 42,068,716 km (0.096 R)
• M32: 49,834,192 km (0.117 R)
• M33: 50,567,371 km (0.102 R)
• M34: 60,347,931 km (0.089 R)
• M35: 63,510,430 km (0.065 R)
• M36: 85,876,508 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.7

Radius: 4.5

Gravity: 14.36 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 9.81 AU - 11.53 AU

Year: 22161 Days

Day: 22.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,226,328 km

• M1: 55,950 km (0.097 R)
• M2: 819,796 km (0.079 R)
• M3: 1,082,191 km (0.081 R)
• M4: 1,547,889 km (0.07 R)
• M5: 1,774,530 km (0.039 R)
• M6: 2,839,218 km (0.096 R)
• M7: 4,180,064 km (0.092 R)
• M8: 8,607,413 km (0.11 R)
• M9: 10,856,168 km (0.044 R)
• M10: 13,736,675 km (0.086 R)
• M11: 28,750,766 km (0.043 R)
• M12: 32,805,766 km (0.099 R)
• M13: 35,285,799 km (0.111 R)
• M14: 43,033,922 km (0.052 R)
• M15: 45,547,017 km (0.032 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 13,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit