🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.7

Radius: 11.4

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.44 AU - 0.66 AU

Year: 272 Days

Day: 8.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,088,459 km

• M1: 141,819 km (0.1 R)
• M2: 557,402 km (0.114 R)
• M3: 972,386 km (0.074 R)
• M4: 1,367,474 km (0.047 R)
• M5: 2,070,883 km (0.099 R)
• M6: 2,565,753 km (0.044 R)
• M7: 3,258,990 km (0.082 R)
• M8: 3,694,619 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.1

Radius: 8.6

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.3 AU - 2.14 AU

Year: 1504 Days

Day: 11 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,088,459 km

• M1: 107,262 km (0.052 R)
• M2: 433,086 km (0.089 R)
• M3: 761,902 km (0.076 R)
• M4: 1,259,764 km (0.103 R)
• M5: 1,951,205 km (0.053 R)
• M6: 2,441,736 km (0.116 R)
• M7: 3,182,545 km (0.104 R)
• M8: 3,717,058 km (0.026 R)
• M9: 5,814,121 km (0.107 R)
• M10: 6,400,844 km (0.117 R)
• M11: 6,781,271 km (0.102 R)
• M12: 7,076,428 km (0.094 R)
• M13: 8,456,020 km (0.12 R)
• M14: 8,827,322 km (0.104 R)
• M15: 10,006,602 km (0.109 R)
• M16: 10,357,558 km (0.116 R)
• M17: 11,219,541 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.7

Radius: 14.3

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.88 AU - 6 AU

Year: 8461 Days

Day: 12.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,088,459 km

• M1: 187,297 km (0.108 R)
• M2: 681,119 km (0.081 R)
• M3: 1,158,336 km (0.111 R)
• M4: 1,883,886 km (0.065 R)
• M5: 3,083,811 km (0.111 R)
• M6: 3,975,563 km (0.092 R)
• M7: 5,394,200 km (0.095 R)
• M8: 6,034,778 km (0.102 R)
• M9: 6,943,286 km (0.032 R)
• M10: 7,624,405 km (0.033 R)
• M11: 9,985,658 km (0.037 R)
• M12: 11,155,663 km (0.048 R)
• M13: 12,633,839 km (0.084 R)
• M14: 13,825,686 km (0.083 R)
• M15: 16,564,523 km (0.054 R)
• M16: 17,644,620 km (0.077 R)
• M17: 18,627,777 km (0.072 R)
• M18: 20,780,191 km (0.103 R)
• M19: 21,323,680 km (0.074 R)
• M20: 22,765,056 km (0.099 R)
• M21: 23,761,378 km (0.09 R)
• M22: 25,663,365 km (0.101 R)
• M23: 27,293,384 km (0.105 R)
• M24: 29,475,568 km (0.081 R)
• M25: 32,597,825 km (0.072 R)
• M26: 33,863,423 km (0.108 R)
• M27: 35,161,633 km (0.082 R)
• M28: 38,088,067 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.6

Radius: 12.4

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.42 AU - 6.96 AU

Year: 9051 Days

Day: 13.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,088,459 km

• M1: 154,235 km (0.075 R)
• M2: 629,957 km (0.034 R)
• M3: 1,254,378 km (0.076 R)
• M4: 2,713,855 km (0.07 R)
• M5: 3,284,122 km (0.089 R)
• M6: 4,756,614 km (0.075 R)
• M7: 5,623,534 km (0.043 R)
• M8: 6,331,431 km (0.038 R)
• M9: 6,861,755 km (0.112 R)
• M10: 9,143,272 km (0.062 R)
• M11: 13,422,819 km (0.08 R)
• M12: 16,519,345 km (0.102 R)
• M13: 17,971,043 km (0.06 R)
• M14: 20,631,641 km (0.097 R)
• M15: 22,141,682 km (0.111 R)
• M16: 23,904,543 km (0.039 R)
• M17: 24,820,232 km (0.118 R)
• M18: 25,759,257 km (0.111 R)
• M19: 26,721,770 km (0.102 R)
• M20: 30,492,384 km (0.088 R)
• M21: 32,007,212 km (0.099 R)
• M22: 38,570,669 km (0.115 R)
• M23: 39,196,886 km (0.074 R)
• M24: 45,699,158 km (0.085 R)
• M25: 47,824,794 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 450.5

Radius: 5.2

Gravity: 16.66 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.99 AU - 7.01 AU

Year: 9801 Days

Day: 24.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,088,459 km

• M1: 64,626 km (0.06 R)
• M2: 690,993 km (0.101 R)
• M3: 1,015,321 km (0.027 R)
• M4: 1,397,693 km (0.105 R)
• M5: 1,622,389 km (0.106 R)
• M6: 2,633,970 km (0.095 R)
• M7: 3,085,306 km (0.087 R)
• M8: 3,983,941 km (0.04 R)
• M9: 4,662,966 km (0.105 R)
• M10: 5,543,947 km (0.082 R)
• M11: 6,859,362 km (0.095 R)
• M12: 7,709,377 km (0.045 R)
• M13: 9,339,545 km (0.106 R)
• M14: 9,569,925 km (0.086 R)
• M15: 12,195,218 km (0.117 R)
• M16: 14,886,335 km (0.096 R)
• M17: 16,369,597 km (0.104 R)
• M18: 16,704,547 km (0.1 R)
• M19: 20,233,710 km (0.059 R)
• M20: 22,049,529 km (0.102 R)
• M21: 24,752,464 km (0.084 R)
• M22: 26,549,433 km (0.083 R)
• M23: 28,335,482 km (0.062 R)
• M24: 30,199,921 km (0.108 R)
• M25: 30,602,638 km (0.091 R)
• M26: 33,201,003 km (0.071 R)
• M27: 35,830,336 km (0.056 R)
• M28: 37,080,525 km (0.103 R)
• M29: 40,393,370 km (0.078 R)
• M30: 41,128,195 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.8

Radius: 5.1

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 10.36 AU - 11.58 AU

Year: 24229 Days

Day: 15.6 Hours

Environment

Temp: -246 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,088,459 km

• M1: 64,177 km (0.098 R)
• M2: 578,345 km (0.095 R)
• M3: 767,886 km (0.116 R)
• M4: 1,104,182 km (0.069 R)
• M5: 1,276,070 km (0.115 R)
• M6: 1,951,055 km (0.077 R)
• M7: 2,517,583 km (0.093 R)
• M8: 3,348,449 km (0.106 R)
• M9: 3,563,720 km (0.116 R)
• M10: 3,839,280 km (0.09 R)
• M11: 4,518,454 km (0.095 R)
• M12: 4,993,427 km (0.096 R)
• M13: 5,338,699 km (0.06 R)
• M14: 5,766,998 km (0.1 R)
• M15: 6,253,640 km (0.096 R)
• M16: 6,543,860 km (0.086 R)
• M17: 9,290,327 km (0.064 R)
• M18: 12,321,928 km (0.114 R)
• M19: 19,237,239 km (0.091 R)
• M20: 22,100,841 km (0.083 R)
• M21: 23,029,545 km (0.076 R)
• M22: 27,870,831 km (0.1 R)
• M23: 36,629,936 km (0.049 R)
• M24: 38,770,981 km (0.072 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 14,627 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit