🌌 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: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.6

Radius: 11

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.8 AU - 0.94 AU

Year: 570 Days

Day: 10.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,323,333 km

• M1: 136,882 km (0.054 R)
• M2: 585,825 km (0.074 R)
• M3: 967,599 km (0.073 R)
• M4: 1,345,483 km (0.083 R)
• M5: 1,751,791 km (0.119 R)
• M6: 2,763,970 km (0.033 R)
• M7: 3,221,141 km (0.113 R)
• M8: 3,622,961 km (0.108 R)
• M9: 4,058,291 km (0.096 R)
• M10: 4,437,522 km (0.052 R)
• M11: 4,888,559 km (0.071 R)
• M12: 5,251,035 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.7

Radius: 12.7

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.89 AU - 1.39 AU

Year: 856 Days

Day: 8.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 176.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,323,333 km

• M1: 157,975 km (0.066 R)
• M2: 644,168 km (0.1 R)
• M3: 1,167,911 km (0.111 R)
• M4: 2,173,807 km (0.107 R)
• M5: 3,874,585 km (0.049 R)
• M6: 4,510,825 km (0.065 R)
• M7: 5,930,957 km (0.07 R)
• M8: 6,333,974 km (0.101 R)
• M9: 7,008,062 km (0.056 R)
• M10: 7,779,239 km (0.079 R)
• M11: 9,519,511 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.7

Radius: 11.4

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.56 AU - 2.06 AU

Year: 1712 Days

Day: 14 Hours

Environment

Temp: -202 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,323,333 km

• M1: 141,968 km (0.036 R)
• M2: 617,989 km (0.034 R)
• M3: 1,188,854 km (0.068 R)
• M4: 2,304,406 km (0.08 R)
• M5: 2,860,311 km (0.069 R)
• M6: 3,221,141 km (0.099 R)
• M7: 4,069,511 km (0.052 R)
• M8: 4,546,728 km (0.049 R)
• M9: 5,635,352 km (0.1 R)
• M10: 7,570,101 km (0.089 R)
• M11: 7,994,061 km (0.079 R)
• M12: 8,716,619 km (0.119 R)
• M13: 9,123,525 km (0.057 R)
• M14: 10,101,447 km (0.098 R)
• M15: 10,913,015 km (0.116 R)
• M16: 11,523,823 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.6

Radius: 8.3

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.52 AU - 2.38 AU

Year: 1914 Days

Day: 10.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,323,333 km

• M1: 103,223 km (0.047 R)
• M2: 399,277 km (0.059 R)
• M3: 702,661 km (0.045 R)
• M4: 975,528 km (0.117 R)
• M5: 1,240,615 km (0.105 R)
• M6: 2,358,410 km (0.078 R)
• M7: 2,627,088 km (0.076 R)
• M8: 3,181,498 km (0.1 R)
• M9: 3,609,348 km (0.064 R)
• M10: 4,039,292 km (0.062 R)
• M11: 4,369,604 km (0.116 R)
• M12: 5,211,242 km (0.075 R)
• M13: 5,715,985 km (0.095 R)
• M14: 7,645,199 km (0.067 R)
• M15: 9,359,142 km (0.112 R)
• M16: 11,030,150 km (0.075 R)
• M17: 11,751,212 km (0.113 R)
• M18: 12,236,507 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883

Radius: 13.7

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.16 AU - 2.92 AU

Year: 2846 Days

Day: 10.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,323,333 km

• M1: 173,234 km (0.11 R)
• M2: 818,450 km (0.103 R)
• M3: 1,561,203 km (0.096 R)
• M4: 2,078,363 km (0.084 R)
• M5: 2,805,409 km (0.117 R)
• M6: 3,374,479 km (0.069 R)
• M7: 3,836,138 km (0.093 R)
• M8: 4,472,976 km (0.107 R)
• M9: 5,229,343 km (0.056 R)
• M10: 6,668,325 km (0.036 R)
• M11: 7,401,055 km (0.066 R)
• M12: 7,885,753 km (0.092 R)
• M13: 8,883,421 km (0.05 R)
• M14: 9,733,286 km (0.033 R)
• M15: 10,758,480 km (0.039 R)
• M16: 14,767,404 km (0.077 R)
• M17: 15,853,934 km (0.086 R)
• M18: 16,281,634 km (0.078 R)
• M19: 17,782,400 km (0.084 R)
• M20: 20,110,591 km (0.098 R)
• M21: 20,866,210 km (0.106 R)
• M22: 21,315,602 km (0.108 R)
• M23: 22,101,141 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.9

Radius: 10.1

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.38 AU - 3.36 AU

Year: 3418 Days

Day: 8.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,323,333 km

• M1: 126,261 km (0.116 R)
• M2: 468,391 km (0.114 R)
• M3: 1,512,584 km (0.12 R)
• M4: 1,944,922 km (0.118 R)
• M5: 2,281,816 km (0.046 R)
• M6: 2,735,547 km (0.107 R)
• M7: 3,521,085 km (0.095 R)
• M8: 4,305,726 km (0.089 R)
• M9: 5,492,785 km (0.117 R)
• M10: 6,151,165 km (0.09 R)
• M11: 8,730,233 km (0.115 R)
• M12: 9,321,294 km (0.096 R)
• M13: 10,002,263 km (0.117 R)
• M14: 10,485,315 km (0.108 R)
• M15: 11,885,252 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.3

Radius: 7.7

Gravity: 16.57 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.33 AU - 6.15 AU

Year: 9667 Days

Day: 18.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,323,333 km

• M1: 95,743 km (0.106 R)
• M2: 398,230 km (0.086 R)
• M3: 688,599 km (0.041 R)
• M4: 1,012,179 km (0.054 R)
• M5: 1,652,009 km (0.061 R)
• M6: 1,957,189 km (0.101 R)
• M7: 2,990,162 km (0.066 R)
• M8: 3,371,487 km (0.119 R)
• M9: 3,757,899 km (0.036 R)
• M10: 4,497,810 km (0.088 R)
• M11: 5,468,101 km (0.087 R)
• M12: 6,689,418 km (0.098 R)
• M13: 7,598,674 km (0.114 R)
• M14: 7,993,463 km (0.07 R)
• M15: 10,656,156 km (0.108 R)
• M16: 14,986,864 km (0.077 R)
• M17: 15,260,928 km (0.082 R)
• M18: 17,199,267 km (0.081 R)
• M19: 22,260,313 km (0.031 R)
• M20: 23,069,039 km (0.082 R)
• M21: 26,004,448 km (0.068 R)
• M22: 26,700,228 km (0.096 R)
• M23: 27,612,775 km (0.114 R)
• M24: 28,441,398 km (0.039 R)
• M25: 29,073,598 km (0.095 R)
• M26: 34,831,171 km (0.098 R)
• M27: 37,032,055 km (0.045 R)
• M28: 47,203,663 km (0.084 R)
• M29: 52,528,899 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.9

Radius: 5.3

Gravity: 12.46 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 7.69 AU - 8.87 AU

Year: 16748 Days

Day: 15.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,323,333 km

• M1: 65,973 km (0.035 R)
• M2: 418,874 km (0.088 R)
• M3: 722,558 km (0.088 R)
• M4: 1,152,053 km (0.087 R)
• M5: 1,465,610 km (0.096 R)
• M6: 3,074,386 km (0.109 R)
• M7: 3,341,867 km (0.099 R)
• M8: 3,758,497 km (0.063 R)
• M9: 10,596,167 km (0.074 R)
• M10: 23,017,428 km (0.114 R)
• M11: 24,323,267 km (0.105 R)
• M12: 26,073,862 km (0.112 R)
• M13: 26,979,826 km (0.046 R)
• M14: 29,823,532 km (0.106 R)
• M15: 39,541,709 km (0.107 R)
• M16: 42,366,865 km (0.102 R)
• M17: 42,919,779 km (0.097 R)
• M18: 46,778,656 km (0.119 R)
• M19: 49,628,645 km (0.1 R)
• M20: 53,874,681 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.2

Radius: 5.2

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 8.59 AU - 9.29 AU

Year: 18789 Days

Day: 18 Hours

Environment

Temp: -244 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,323,333 km

• M1: 67,618 km (0.1 R)
• M2: 297,700 km (0.089 R)
• M3: 584,778 km (0.083 R)
• M4: 2,160,193 km (0.065 R)
• M5: 2,925,087 km (0.095 R)
• M6: 4,417,924 km (0.104 R)
• M7: 6,144,134 km (0.032 R)
• M8: 8,148,147 km (0.106 R)
• M9: 9,436,185 km (0.105 R)
• M10: 9,671,203 km (0.12 R)
• M11: 9,910,261 km (0.073 R)
• M12: 11,480,739 km (0.119 R)
• M13: 13,863,085 km (0.112 R)
• M14: 20,978,708 km (0.069 R)
• M15: 22,278,713 km (0.083 R)
• M16: 27,156,501 km (0.116 R)
• M17: 27,920,498 km (0.104 R)
• M18: 35,227,007 km (0.11 R)
• M19: 35,452,601 km (0.074 R)
• M20: 37,880,425 km (0.102 R)
• M21: 38,833,662 km (0.109 R)
• M22: 39,802,907 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.1

Radius: 5.6

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.68 AU - 12.06 AU

Year: 23473 Days

Day: 18 Hours

Environment

Temp: -236 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,323,333 km

• M1: 74,949 km (0.063 R)
• M2: 308,022 km (0.097 R)
• M3: 525,687 km (0.077 R)
• M4: 1,666,520 km (0.057 R)
• M5: 1,944,174 km (0.061 R)
• M6: 2,361,851 km (0.082 R)
• M7: 4,950,194 km (0.055 R)
• M8: 5,168,756 km (0.087 R)
• M9: 5,658,689 km (0.03 R)
• M10: 6,506,311 km (0.113 R)
• M11: 8,102,370 km (0.097 R)
• M12: 9,036,908 km (0.114 R)
• M13: 16,611,048 km (0.092 R)
• M14: 24,748,275 km (0.091 R)
• M15: 36,705,184 km (0.073 R)
• M16: 38,991,638 km (0.043 R)
• M17: 41,116,526 km (0.033 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 13,491 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit