🌌 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: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.5

Radius: 10.8

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.59 AU - 0.89 AU

Year: 439 Days

Day: 13.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 92,451,622 km

• M1: 136,284 km (0.085 R)
• M2: 690,993 km (0.086 R)
• M3: 1,044,343 km (0.091 R)
• M4: 1,460,524 km (0.066 R)
• M5: 1,903,483 km (0.108 R)
• M6: 3,158,460 km (0.11 R)
• M7: 4,406,704 km (0.089 R)
• M8: 5,309,228 km (0.101 R)
• M9: 5,795,721 km (0.072 R)
• M10: 6,179,888 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.3

Radius: 10.5

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.27 AU - 1.29 AU

Year: 1000 Days

Day: 9.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 92,451,622 km

• M1: 130,749 km (0.12 R)
• M2: 607,966 km (0.072 R)
• M3: 962,513 km (0.109 R)
• M4: 1,404,425 km (0.098 R)
• M5: 1,853,518 km (0.115 R)
• M6: 2,241,126 km (0.104 R)
• M7: 2,732,704 km (0.075 R)
• M8: 3,440,153 km (0.084 R)
• M9: 3,790,062 km (0.114 R)
• M10: 4,491,227 km (0.106 R)
• M11: 4,948,249 km (0.092 R)
• M12: 5,496,824 km (0.114 R)
• M13: 7,489,019 km (0.114 R)
• M14: 7,871,242 km (0.108 R)
• M15: 9,269,682 km (0.103 R)
• M16: 10,320,907 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.8

Radius: 10.3

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.46 AU - 1.92 AU

Year: 1516 Days

Day: 6.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 92,451,622 km

• M1: 128,056 km (0.094 R)
• M2: 623,823 km (0.088 R)
• M3: 1,098,048 km (0.114 R)
• M4: 1,508,096 km (0.098 R)
• M5: 1,872,217 km (0.059 R)
• M6: 2,218,686 km (0.085 R)
• M7: 2,832,935 km (0.053 R)
• M8: 3,208,575 km (0.091 R)
• M9: 4,523,092 km (0.086 R)
• M10: 5,593,614 km (0.05 R)
• M11: 6,079,358 km (0.097 R)
• M12: 6,825,253 km (0.07 R)
• M13: 7,306,360 km (0.108 R)
• M14: 9,141,926 km (0.105 R)
• M15: 9,907,418 km (0.094 R)
• M16: 10,651,368 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.7

Radius: 12.5

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.55 AU - 4.57 AU

Year: 5647 Days

Day: 7.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 92,451,622 km

• M1: 155,432 km (0.101 R)
• M2: 559,795 km (0.1 R)
• M3: 1,739,374 km (0.113 R)
• M4: 2,475,695 km (0.043 R)
• M5: 2,907,584 km (0.082 R)
• M6: 3,673,077 km (0.061 R)
• M7: 4,780,849 km (0.073 R)
• M8: 5,397,940 km (0.09 R)
• M9: 5,879,795 km (0.03 R)
• M10: 6,456,046 km (0.086 R)
• M11: 6,999,684 km (0.113 R)
• M12: 9,189,348 km (0.08 R)
• M13: 11,952,122 km (0.053 R)
• M14: 13,306,132 km (0.098 R)
• M15: 15,645,245 km (0.066 R)
• M16: 16,131,886 km (0.112 R)
• M17: 17,327,921 km (0.092 R)
• M18: 18,922,335 km (0.073 R)
• M19: 19,825,907 km (0.035 R)
• M20: 20,612,642 km (0.117 R)
• M21: 21,643,820 km (0.074 R)
• M22: 25,441,811 km (0.098 R)
• M23: 28,656,968 km (0.113 R)
• M24: 30,976,782 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.1

Radius: 9.5

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.43 AU - 4.97 AU

Year: 5941 Days

Day: 5.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 92,451,622 km

• M1: 118,182 km (0.103 R)
• M2: 458,368 km (0.057 R)
• M3: 880,683 km (0.118 R)
• M4: 1,209,050 km (0.106 R)
• M5: 2,169,917 km (0.057 R)
• M6: 2,497,536 km (0.074 R)
• M7: 3,422,350 km (0.066 R)
• M8: 5,566,836 km (0.053 R)
• M9: 6,480,281 km (0.096 R)
• M10: 6,817,325 km (0.069 R)
• M11: 8,129,447 km (0.057 R)
• M12: 9,134,745 km (0.066 R)
• M13: 9,776,520 km (0.063 R)
• M14: 10,266,004 km (0.109 R)
• M15: 10,632,220 km (0.039 R)
• M16: 12,492,320 km (0.054 R)
• M17: 13,122,426 km (0.101 R)
• M18: 15,257,636 km (0.103 R)
• M19: 17,614,700 km (0.062 R)
• M20: 18,676,097 km (0.117 R)
• M21: 20,133,330 km (0.058 R)
• M22: 20,707,936 km (0.039 R)
• M23: 21,515,764 km (0.084 R)
• M24: 23,825,705 km (0.114 R)
• M25: 24,306,812 km (0.084 R)
• M26: 25,288,323 km (0.109 R)
• M27: 27,069,436 km (0.117 R)
• M28: 27,857,816 km (0.065 R)
• M29: 28,571,249 km (0.109 R)
• M30: 29,114,438 km (0.058 R)
• M31: 29,480,355 km (0.07 R)
• M32: 31,740,330 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.4

Radius: 8.6

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.4 AU - 5.64 AU

Year: 6633 Days

Day: 7.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 169.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 92,451,622 km

• M1: 109,356 km (0.091 R)
• M2: 1,288,038 km (0.11 R)
• M3: 2,072,230 km (0.067 R)
• M4: 2,686,329 km (0.099 R)
• M5: 3,206,630 km (0.1 R)
• M6: 6,229,106 km (0.079 R)
• M7: 8,049,861 km (0.106 R)
• M8: 9,688,556 km (0.118 R)
• M9: 10,657,502 km (0.12 R)
• M10: 12,626,359 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.2

Radius: 4.5

Gravity: 38.63 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.7 AU - 6.28 AU

Year: 10119 Days

Day: 16.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 92,451,622 km

• M1: 60,288 km (0.115 R)
• M2: 429,944 km (0.1 R)
• M3: 1,260,960 km (0.111 R)
• M4: 1,473,090 km (0.108 R)
• M5: 1,678,039 km (0.033 R)
• M6: 1,852,321 km (0.058 R)
• M7: 2,549,297 km (0.077 R)
• M8: 2,823,809 km (0.062 R)
• M9: 3,687,438 km (0.063 R)
• M10: 4,745,095 km (0.109 R)
• M11: 7,780,286 km (0.082 R)
• M12: 7,954,717 km (0.071 R)
• M13: 9,105,574 km (0.097 R)
• M14: 10,842,854 km (0.103 R)
• M15: 11,561,821 km (0.042 R)
• M16: 12,194,470 km (0.082 R)
• M17: 15,091,732 km (0.104 R)
• M18: 17,283,640 km (0.044 R)
• M19: 25,593,054 km (0.076 R)
• M20: 30,167,458 km (0.097 R)
• M21: 32,816,387 km (0.067 R)
• M22: 33,501,994 km (0.118 R)
• M23: 34,665,866 km (0.063 R)
• M24: 35,496,583 km (0.105 R)
• M25: 38,319,046 km (0.062 R)
• M26: 49,148,585 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.9

Radius: 3.1

Gravity: 94.47 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.71 AU - 8.81 AU

Year: 14921 Days

Day: 21.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 92,451,622 km

• M1: 38,746 km (0.032 R)
• M2: 347,217 km (0.056 R)
• M3: 684,111 km (0.088 R)
• M4: 953,238 km (0.119 R)
• M5: 1,697,188 km (0.086 R)
• M6: 1,802,654 km (0.087 R)
• M7: 2,739,287 km (0.101 R)
• M8: 2,984,627 km (0.098 R)
• M9: 3,838,831 km (0.068 R)
• M10: 4,705,451 km (0.032 R)
• M11: 5,851,970 km (0.068 R)
• M12: 8,222,049 km (0.098 R)
• M13: 8,525,134 km (0.078 R)
• M14: 9,424,217 km (0.086 R)
• M15: 12,497,705 km (0.105 R)
• M16: 13,514,821 km (0.064 R)
• M17: 14,585,792 km (0.075 R)
• M18: 17,967,003 km (0.071 R)
• M19: 19,793,444 km (0.082 R)
• M20: 20,154,723 km (0.091 R)
• M21: 20,704,944 km (0.089 R)
• M22: 21,265,188 km (0.047 R)
• M23: 25,578,992 km (0.098 R)
• M24: 27,211,105 km (0.076 R)
• M25: 28,911,284 km (0.119 R)
• M26: 30,083,234 km (0.067 R)
• M27: 31,899,951 km (0.06 R)
• M28: 34,174,886 km (0.076 R)
• M29: 35,883,592 km (0.088 R)
• M30: 36,555,736 km (0.088 R)
• M31: 40,186,177 km (0.101 R)
• M32: 40,765,270 km (0.08 R)
• M33: 42,685,508 km (0.1 R)
• M34: 47,184,814 km (0.095 R)
• M35: 49,797,391 km (0.112 R)
• M36: 57,475,951 km (0.108 R)
• M37: 63,726,299 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.4

Radius: 7

Gravity: 18.82 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 9.53 AU - 11.23 AU

Year: 23084 Days

Day: 17 Hours

Environment

Temp: -240 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 92,451,622 km

• M1: 87,365 km (0.067 R)
• M2: 634,744 km (0.063 R)
• M3: 859,739 km (0.114 R)
• M4: 2,093,024 km (0.058 R)
• M5: 4,765,590 km (0.104 R)
• M6: 7,278,086 km (0.029 R)
• M7: 9,494,229 km (0.114 R)
• M8: 9,799,558 km (0.091 R)
• M9: 11,841,719 km (0.073 R)
• M10: 12,267,325 km (0.095 R)
• M11: 14,390,118 km (0.051 R)
• M12: 18,389,617 km (0.088 R)
• M13: 19,740,037 km (0.112 R)
• M14: 20,642,262 km (0.034 R)
• M15: 21,155,383 km (0.075 R)
• M16: 22,854,216 km (0.065 R)
• M17: 24,413,475 km (0.078 R)
• M18: 30,827,184 km (0.089 R)
• M19: 34,418,431 km (0.092 R)
• M20: 35,285,201 km (0.069 R)
• M21: 37,212,770 km (0.054 R)
• M22: 38,742,408 km (0.092 R)
• M23: 43,582,497 km (0.105 R)
• M24: 44,426,528 km (0.118 R)
• M25: 45,626,453 km (0.059 R)
• M26: 50,642,170 km (0.087 R)
• M27: 59,659,631 km (0.097 R)
• M28: 64,109,868 km (0.039 R)
• M29: 71,542,190 km (0.075 R)
• M30: 72,716,084 km (0.108 R)
• M31: 74,621,063 km (0.114 R)
• M32: 78,034,288 km (0.103 R)
• M33: 85,170,257 km (0.204 R)
• M34: 89,980,127 km (0.073 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 15,066 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit