🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.8

Radius: 10

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.6 AU - 0.86 AU

Year: 423 Days

Day: 7.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 87,012,970 km

• M1: 124,465 km (0.119 R)
• M2: 477,516 km (0.119 R)
• M3: 827,725 km (0.115 R)
• M4: 1,247,796 km (0.059 R)
• M5: 1,670,111 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.9

Radius: 14.6

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.85 AU - 0.97 AU

Year: 589 Days

Day: 13.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 87,012,970 km

• M1: 181,612 km (0.109 R)
• M2: 713,582 km (0.115 R)
• M3: 1,242,859 km (0.086 R)
• M4: 2,008,950 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.5

Radius: 11.4

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.21 AU - 1.79 AU

Year: 1246 Days

Day: 11.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,012,970 km

• M1: 141,819 km (0.107 R)
• M2: 582,983 km (0.065 R)
• M3: 941,868 km (0.098 R)
• M4: 1,381,536 km (0.083 R)
• M5: 1,858,454 km (0.086 R)
• M6: 2,701,438 km (0.086 R)
• M7: 3,227,275 km (0.091 R)
• M8: 3,808,163 km (0.113 R)
• M9: 4,305,576 km (0.107 R)
• M10: 4,816,752 km (0.029 R)
• M11: 5,273,175 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.7

Radius: 10.9

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.81 AU - 2.41 AU

Year: 2079 Days

Day: 6.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,012,970 km

• M1: 139,724 km (0.043 R)
• M2: 540,497 km (0.055 R)
• M3: 1,199,625 km (0.077 R)
• M4: 2,635,615 km (0.037 R)
• M5: 3,439,105 km (0.085 R)
• M6: 4,120,673 km (0.092 R)
• M7: 5,707,159 km (0.114 R)
• M8: 8,439,713 km (0.05 R)
• M9: 9,013,870 km (0.085 R)
• M10: 9,453,538 km (0.117 R)
• M11: 12,284,678 km (0.087 R)
• M12: 12,825,773 km (0.057 R)

Asteroid Belt

Center: 3.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.3

Radius: 10.8

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.81 AU - 4.23 AU

Year: 5467 Days

Day: 9.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,012,970 km

• M1: 134,339 km (0.117 R)
• M2: 651,499 km (0.094 R)
• M3: 1,204,861 km (0.085 R)
• M4: 1,630,318 km (0.069 R)
• M5: 2,349,883 km (0.041 R)
• M6: 2,791,795 km (0.099 R)
• M7: 3,407,092 km (0.078 R)
• M8: 4,248,729 km (0.1 R)
• M9: 5,749,645 km (0.109 R)
• M10: 6,557,772 km (0.113 R)
• M11: 7,963,394 km (0.049 R)
• M12: 9,560,202 km (0.119 R)
• M13: 10,563,405 km (0.046 R)
• M14: 11,315,433 km (0.095 R)
• M15: 11,681,499 km (0.11 R)
• M16: 14,363,340 km (0.089 R)
• M17: 14,956,197 km (0.103 R)
• M18: 18,989,655 km (0.09 R)
• M19: 19,507,413 km (0.114 R)
• M20: 20,167,887 km (0.118 R)
• M21: 22,096,353 km (0.104 R)
• M22: 23,252,147 km (0.097 R)
• M23: 24,523,579 km (0.086 R)
• M24: 25,762,249 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.4

Radius: 13.6

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.46 AU - 6.26 AU

Year: 8417 Days

Day: 14.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,012,970 km

• M1: 189,391 km (0.106 R)
• M2: 1,132,605 km (0.089 R)
• M3: 1,690,456 km (0.115 R)
• M4: 2,602,554 km (0.048 R)
• M5: 3,191,222 km (0.098 R)
• M6: 3,961,800 km (0.081 R)
• M7: 4,880,780 km (0.118 R)
• M8: 6,224,019 km (0.081 R)
• M9: 7,576,683 km (0.104 R)
• M10: 8,744,295 km (0.06 R)
• M11: 9,806,140 km (0.108 R)
• M12: 21,081,631 km (0.1 R)
• M13: 22,441,775 km (0.103 R)
• M14: 26,354,358 km (0.039 R)
• M15: 30,321,095 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.3

Radius: 14.5

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.08 AU - 6.14 AU

Year: 9012 Days

Day: 5.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,012,970 km

• M1: 180,265 km (0.114 R)
• M2: 821,891 km (0.09 R)
• M3: 1,280,408 km (0.07 R)
• M4: 2,370,827 km (0.057 R)
• M5: 2,955,456 km (0.093 R)
• M6: 3,522,880 km (0.084 R)
• M7: 4,686,303 km (0.11 R)
• M8: 5,803,350 km (0.062 R)
• M9: 7,127,591 km (0.118 R)
• M10: 8,116,881 km (0.096 R)
• M11: 8,644,812 km (0.053 R)
• M12: 9,413,895 km (0.102 R)
• M13: 11,791,454 km (0.102 R)
• M14: 12,738,109 km (0.061 R)
• M15: 14,369,324 km (0.111 R)
• M16: 15,884,003 km (0.109 R)
• M17: 20,244,332 km (0.075 R)
• M18: 24,497,100 km (0.041 R)
• M19: 25,689,994 km (0.074 R)
• M20: 27,370,426 km (0.111 R)
• M21: 28,841,572 km (0.058 R)
• M22: 29,311,908 km (0.1 R)
• M23: 36,228,416 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.8

Radius: 8

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.5 AU - 9.08 AU

Year: 16189 Days

Day: 19.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,012,970 km

• M1: 99,483 km (0.101 R)
• M2: 451,187 km (0.068 R)
• M3: 734,825 km (0.064 R)
• M4: 1,069,176 km (0.119 R)
• M5: 1,416,841 km (0.104 R)
• M6: 2,185,026 km (0.045 R)
• M7: 3,032,498 km (0.116 R)
• M8: 4,482,102 km (0.096 R)
• M9: 4,839,790 km (0.048 R)
• M10: 5,913,454 km (0.074 R)
• M11: 6,547,300 km (0.063 R)
• M12: 6,923,090 km (0.029 R)
• M13: 9,594,759 km (0.061 R)
• M14: 10,983,625 km (0.118 R)
• M15: 12,001,489 km (0.098 R)
• M16: 13,476,973 km (0.047 R)
• M17: 14,223,766 km (0.109 R)
• M18: 16,629,748 km (0.047 R)
• M19: 17,016,608 km (0.089 R)
• M20: 21,953,039 km (0.085 R)
• M21: 22,418,587 km (0.092 R)
• M22: 28,752,412 km (0.05 R)
• M23: 30,792,777 km (0.085 R)
• M24: 31,493,942 km (0.099 R)
• M25: 38,022,393 km (0.049 R)
• M26: 46,154,234 km (0.103 R)
• M27: 47,846,485 km (0.109 R)
• M28: 48,158,547 km (0.064 R)
• M29: 59,776,018 km (0.034 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.9

Radius: 4.8

Gravity: 21.52 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.75 AU - 11.05 AU

Year: 18008 Days

Day: 22.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,012,970 km

• M1: 59,989 km (0.061 R)
• M2: 719,117 km (0.036 R)
• M3: 1,244,205 km (0.095 R)
• M4: 3,004,524 km (0.056 R)
• M5: 3,205,882 km (0.073 R)
• M6: 3,806,219 km (0.086 R)
• M7: 5,744,259 km (0.07 R)
• M8: 6,336,068 km (0.036 R)
• M9: 6,837,819 km (0.058 R)
• M10: 7,275,992 km (0.104 R)
• M11: 7,593,588 km (0.117 R)
• M12: 21,334,003 km (0.105 R)
• M13: 26,803,600 km (0.096 R)
• M14: 33,385,757 km (0.064 R)
• M15: 47,706,761 km (0.111 R)
• M16: 50,596,842 km (0.102 R)
• M17: 54,801,590 km (0.089 R)
• M18: 56,723,174 km (0.046 R)
• M19: 60,331,325 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.8

Radius: 4.5

Gravity: 40.14 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 8.36 AU - 12.26 AU

Year: 22453 Days

Day: 23.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 87,012,970 km

• M1: 62,831 km (0.073 R)
• M2: 260,599 km (0.06 R)
• M3: 412,142 km (0.05 R)
• M4: 690,843 km (0.116 R)
• M5: 994,527 km (0.115 R)
• M6: 1,288,337 km (0.109 R)
• M7: 1,584,391 km (0.092 R)
• M8: 2,523,118 km (0.063 R)
• M9: 3,041,026 km (0.077 R)
• M10: 3,752,363 km (0.098 R)
• M11: 3,913,480 km (0.043 R)
• M12: 4,249,776 km (0.072 R)
• M13: 4,641,573 km (0.115 R)
• M14: 4,941,367 km (0.11 R)
• M15: 5,789,886 km (0.114 R)
• M16: 6,049,139 km (0.091 R)
• M17: 7,017,935 km (0.115 R)
• M18: 7,718,652 km (0.117 R)
• M19: 9,141,776 km (0.113 R)
• M20: 9,553,021 km (0.116 R)
• M21: 9,732,987 km (0.061 R)
• M22: 11,590,843 km (0.103 R)
• M23: 12,002,836 km (0.026 R)
• M24: 13,001,850 km (0.099 R)
• M25: 15,409,029 km (0.081 R)
• M26: 23,281,318 km (0.08 R)
• M27: 23,607,442 km (0.104 R)
• M28: 24,829,207 km (0.086 R)
• M29: 25,283,686 km (0.11 R)
• M30: 26,799,262 km (0.078 R)
• M31: 29,121,769 km (0.087 R)
• M32: 30,010,230 km (0.06 R)
• M33: 32,108,490 km (0.042 R)
• M34: 35,292,980 km (0.117 R)
• M35: 36,012,097 km (0.11 R)
• M36: 54,406,352 km (0.056 R)
• M37: 55,558,704 km (0.109 R)
• M38: 63,447,599 km (0.108 R)
• M39: 64,296,566 km (0.113 R)
• M40: 65,153,164 km (0.111 R)
• M41: 80,652,850 km (0.108 R)
• M42: 86,492,253 km (0.111 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: 215 - 18,118 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit