🌌 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: 45.4

Radius: 8.9

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.54 AU - 0.56 AU

Year: 282 Days

Day: 14.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 76,154,396 km

• M1: 110,702 km (0.116 R)
• M2: 483,650 km (0.073 R)
• M3: 861,833 km (0.104 R)
• M4: 1,465,610 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.7

Radius: 9.2

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.98 AU - 1.06 AU

Year: 711 Days

Day: 7.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,154,396 km

• M1: 116,238 km (0.113 R)
• M2: 456,872 km (0.047 R)
• M3: 874,400 km (0.104 R)
• M4: 1,199,027 km (0.046 R)
• M5: 1,629,570 km (0.116 R)
• M6: 2,181,586 km (0.07 R)
• M7: 2,990,611 km (0.082 R)
• M8: 3,305,664 km (0.052 R)
• M9: 3,745,332 km (0.073 R)
• M10: 5,008,387 km (0.058 R)
• M11: 5,340,644 km (0.075 R)
• M12: 5,927,367 km (0.082 R)
• M13: 6,842,457 km (0.08 R)
• M14: 7,534,796 km (0.077 R)
• M15: 7,848,951 km (0.089 R)
• M16: 8,146,801 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.1

Radius: 8.7

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.05 AU - 1.41 AU

Year: 942 Days

Day: 5.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,154,396 km

• M1: 108,159 km (0.064 R)
• M2: 501,452 km (0.088 R)
• M3: 873,951 km (0.093 R)
• M4: 1,339,649 km (0.111 R)
• M5: 2,714,304 km (0.066 R)
• M6: 4,182,008 km (0.076 R)
• M7: 4,936,281 km (0.096 R)
• M8: 6,692,410 km (0.057 R)
• M9: 7,045,761 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.5

Radius: 12.7

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.33 AU - 1.93 AU

Year: 1436 Days

Day: 10.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,154,396 km

• M1: 157,975 km (0.12 R)
• M2: 570,117 km (0.053 R)
• M3: 1,095,356 km (0.095 R)
• M4: 1,809,685 km (0.047 R)
• M5: 2,303,508 km (0.072 R)
• M6: 3,087,999 km (0.076 R)
• M7: 4,678,673 km (0.069 R)
• M8: 6,292,086 km (0.089 R)
• M9: 7,439,502 km (0.033 R)
• M10: 8,163,406 km (0.115 R)
• M11: 11,002,026 km (0.092 R)
• M12: 11,429,577 km (0.104 R)
• M13: 12,242,342 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.6

Radius: 13.9

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.76 AU - 2.14 AU

Year: 1880 Days

Day: 10.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,154,396 km

• M1: 182,809 km (0.029 R)
• M2: 636,389 km (0.064 R)
• M3: 1,079,797 km (0.045 R)
• M4: 1,668,914 km (0.103 R)
• M5: 2,666,283 km (0.092 R)
• M6: 3,248,069 km (0.111 R)
• M7: 3,980,201 km (0.107 R)
• M8: 4,916,235 km (0.1 R)
• M9: 5,710,899 km (0.081 R)
• M10: 6,613,423 km (0.068 R)
• M11: 7,199,248 km (0.085 R)
• M12: 8,115,834 km (0.086 R)
• M13: 9,711,744 km (0.088 R)
• M14: 10,830,886 km (0.068 R)
• M15: 11,336,227 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.4

Radius: 8.7

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.02 AU - 3.04 AU

Year: 2778 Days

Day: 13.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,154,396 km

• M1: 108,159 km (0.088 R)
• M2: 445,951 km (0.097 R)
• M3: 1,414,149 km (0.086 R)
• M4: 1,690,157 km (0.044 R)
• M5: 2,002,367 km (0.065 R)
• M6: 3,180,002 km (0.034 R)
• M7: 3,852,594 km (0.119 R)
• M8: 4,690,940 km (0.11 R)
• M9: 6,237,184 km (0.1 R)
• M10: 7,338,972 km (0.06 R)
• M11: 7,803,623 km (0.071 R)
• M12: 8,849,163 km (0.12 R)
• M13: 9,465,506 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.3

Radius: 10.8

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.3 AU - 3.82 AU

Year: 3695 Days

Day: 11.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,154,396 km

• M1: 135,236 km (0.074 R)
• M2: 473,926 km (0.047 R)
• M3: 970,292 km (0.109 R)
• M4: 1,367,325 km (0.118 R)
• M5: 1,769,892 km (0.087 R)
• M6: 2,726,421 km (0.101 R)
• M7: 3,163,845 km (0.113 R)
• M8: 4,160,466 km (0.066 R)
• M9: 4,608,961 km (0.046 R)
• M10: 5,184,913 km (0.082 R)
• M11: 5,628,919 km (0.027 R)
• M12: 6,260,222 km (0.087 R)
• M13: 7,085,404 km (0.091 R)
• M14: 8,111,047 km (0.113 R)
• M15: 8,710,635 km (0.072 R)
• M16: 11,005,167 km (0.059 R)
• M17: 11,992,813 km (0.101 R)
• M18: 13,862,038 km (0.058 R)
• M19: 15,211,261 km (0.081 R)
• M20: 16,699,162 km (0.11 R)
• M21: 18,002,009 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.6

Radius: 8.2

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.29 AU - 5.09 AU

Year: 5920 Days

Day: 10 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,154,396 km

• M1: 102,026 km (0.109 R)
• M2: 430,393 km (0.117 R)
• M3: 772,224 km (0.114 R)
• M4: 1,345,184 km (0.026 R)
• M5: 1,719,328 km (0.111 R)
• M6: 2,418,549 km (0.112 R)
• M7: 3,085,755 km (0.077 R)
• M8: 3,595,136 km (0.059 R)
• M9: 4,706,499 km (0.118 R)
• M10: 5,463,763 km (0.108 R)
• M11: 6,149,968 km (0.117 R)
• M12: 6,701,386 km (0.105 R)
• M13: 7,352,137 km (0.098 R)
• M14: 7,867,352 km (0.056 R)
• M15: 8,187,940 km (0.07 R)
• M16: 8,741,602 km (0.102 R)
• M17: 12,219,154 km (0.071 R)
• M18: 12,795,255 km (0.066 R)
• M19: 17,830,121 km (0.111 R)
• M20: 18,508,847 km (0.109 R)
• M21: 20,247,473 km (0.087 R)
• M22: 20,782,884 km (0.108 R)
• M23: 22,022,003 km (0.032 R)
• M24: 23,823,760 km (0.101 R)
• M25: 24,646,848 km (0.112 R)
• M26: 25,027,125 km (0.087 R)
• M27: 26,508,294 km (0.08 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.3

Radius: 8.7

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.21 AU - 5.25 AU

Year: 6005 Days

Day: 13.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,154,396 km

• M1: 108,159 km (0.082 R)
• M2: 599,588 km (0.101 R)
• M3: 988,543 km (0.067 R)
• M4: 1,636,601 km (0.064 R)
• M5: 1,944,024 km (0.071 R)
• M6: 2,694,108 km (0.062 R)
• M7: 3,069,898 km (0.078 R)
• M8: 4,152,837 km (0.09 R)
• M9: 4,935,383 km (0.073 R)
• M10: 6,137,253 km (0.052 R)
• M11: 8,161,910 km (0.073 R)
• M12: 10,858,561 km (0.119 R)
• M13: 11,673,571 km (0.119 R)
• M14: 11,954,067 km (0.118 R)
• M15: 15,795,441 km (0.025 R)
• M16: 16,138,917 km (0.06 R)
• M17: 18,494,635 km (0.067 R)
• M18: 20,321,076 km (0.098 R)
• M19: 24,026,615 km (0.11 R)
• M20: 24,557,538 km (0.119 R)
• M21: 24,941,555 km (0.051 R)
• M22: 25,251,672 km (0.05 R)
• M23: 27,248,504 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.1

Radius: 3.1

Gravity: 50.37 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 8.51 AU - 12.69 AU

Year: 23822 Days

Day: 17.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 76,154,396 km

• M1: 47,572 km (0.115 R)
• M2: 151,393 km (0.106 R)
• M3: 412,441 km (0.083 R)
• M4: 577,298 km (0.081 R)
• M5: 1,256,622 km (0.118 R)
• M6: 2,032,586 km (0.095 R)
• M7: 2,176,948 km (0.116 R)
• M8: 2,417,651 km (0.095 R)
• M9: 2,900,104 km (0.119 R)
• M10: 3,137,067 km (0.059 R)
• M11: 3,560,280 km (0.088 R)
• M12: 3,894,033 km (0.115 R)
• M13: 4,020,443 km (0.087 R)
• M14: 4,729,537 km (0.105 R)
• M15: 5,400,483 km (0.104 R)
• M16: 6,260,820 km (0.07 R)
• M17: 6,478,336 km (0.098 R)
• M18: 7,399,111 km (0.052 R)
• M19: 9,214,630 km (0.109 R)
• M20: 12,633,391 km (0.034 R)
• M21: 14,208,955 km (0.109 R)
• M22: 14,358,404 km (0.061 R)
• M23: 16,810,612 km (0.119 R)
• M24: 18,532,483 km (0.076 R)
• M25: 18,710,804 km (0.096 R)
• M26: 19,344,351 km (0.101 R)
• M27: 22,021,106 km (0.107 R)
• M28: 22,523,755 km (0.078 R)
• M29: 23,240,328 km (0.095 R)
• M30: 26,709,802 km (0.109 R)
• M31: 27,281,266 km (0.071 R)
• M32: 27,512,096 km (0.107 R)
• M33: 28,567,209 km (0.05 R)
• M34: 31,511,894 km (0.108 R)
• M35: 33,451,580 km (0.06 R)
• M36: 41,395,227 km (0.071 R)
• M37: 46,783,144 km (0.109 R)
• M38: 46,948,300 km (0.11 R)
• M39: 58,156,920 km (0.102 R)
• M40: 60,476,286 km (0.088 R)
• M41: 66,126,148 km (0.062 R)
• M42: 68,014,223 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 16,277 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit