🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518

Radius: 11.5

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.47 AU - 0.69 AU

Year: 295 Days

Day: 12.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,881,077 km

• M1: 143,016 km (0.117 R)
• M2: 524,341 km (0.108 R)
• M3: 895,792 km (0.037 R)
• M4: 1,452,895 km (0.11 R)
• M5: 2,148,674 km (0.114 R)
• M6: 2,921,497 km (0.106 R)
• M7: 3,285,169 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.3

Radius: 13.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.46 AU - 1.9 AU

Year: 1452 Days

Day: 7.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,881,077 km

• M1: 172,935 km (0.106 R)
• M2: 613,351 km (0.11 R)
• M3: 1,270,684 km (0.061 R)
• M4: 1,869,375 km (0.117 R)
• M5: 2,602,554 km (0.06 R)
• M6: 3,173,719 km (0.118 R)
• M7: 4,082,975 km (0.119 R)
• M8: 4,571,262 km (0.071 R)
• M9: 6,929,523 km (0.062 R)
• M10: 7,363,955 km (0.101 R)
• M11: 10,008,546 km (0.101 R)
• M12: 11,633,478 km (0.087 R)
• M13: 12,621,572 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.2

Radius: 14.4

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.49 AU - 2.13 AU

Year: 1624 Days

Day: 5.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,881,077 km

• M1: 179,218 km (0.079 R)
• M2: 660,774 km (0.059 R)
• M3: 1,546,543 km (0.119 R)
• M4: 2,026,004 km (0.093 R)
• M5: 2,619,608 km (0.09 R)
• M6: 3,280,681 km (0.072 R)
• M7: 3,746,828 km (0.07 R)
• M8: 4,295,852 km (0.099 R)
• M9: 4,794,163 km (0.092 R)
• M10: 5,695,640 km (0.113 R)
• M11: 6,424,929 km (0.073 R)
• M12: 7,606,603 km (0.053 R)
• M13: 8,492,372 km (0.113 R)
• M14: 9,088,071 km (0.103 R)
• M15: 11,044,960 km (0.111 R)
• M16: 13,145,314 km (0.096 R)
• M17: 14,686,023 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.4

Radius: 8.9

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.68 AU - 2.06 AU

Year: 1705 Days

Day: 13.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,881,077 km

• M1: 110,852 km (0.117 R)
• M2: 403,914 km (0.114 R)
• M3: 1,198,279 km (0.053 R)
• M4: 1,525,449 km (0.034 R)
• M5: 1,823,149 km (0.109 R)
• M6: 2,123,392 km (0.025 R)
• M7: 2,855,075 km (0.074 R)
• M8: 3,279,335 km (0.073 R)
• M9: 3,763,434 km (0.084 R)
• M10: 4,041,835 km (0.117 R)
• M11: 4,536,855 km (0.095 R)
• M12: 4,939,572 km (0.107 R)
• M13: 5,915,100 km (0.094 R)
• M14: 6,606,840 km (0.119 R)
• M15: 8,492,821 km (0.025 R)
• M16: 12,175,472 km (0.053 R)
• M17: 12,499,800 km (0.094 R)
• M18: 14,030,784 km (0.066 R)
• M19: 14,387,276 km (0.078 R)
• M20: 14,979,534 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.9

Radius: 8

Gravity: 14.59 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.28 AU - 2.72 AU

Year: 2636 Days

Day: 11.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,881,077 km

• M1: 99,483 km (0.104 R)
• M2: 360,680 km (0.064 R)
• M3: 692,638 km (0.115 R)
• M4: 954,434 km (0.081 R)
• M5: 1,512,584 km (0.077 R)
• M6: 2,314,728 km (0.069 R)
• M7: 3,430,279 km (0.12 R)
• M8: 8,251,968 km (0.11 R)
• M9: 8,561,037 km (0.074 R)
• M10: 9,239,015 km (0.113 R)
• M11: 10,987,365 km (0.096 R)
• M12: 11,446,182 km (0.099 R)
• M13: 12,762,643 km (0.112 R)
• M14: 13,223,105 km (0.117 R)
• M15: 14,226,010 km (0.094 R)
• M16: 15,227,567 km (0.042 R)
• M17: 16,328,907 km (0.09 R)
• M18: 17,370,407 km (0.099 R)
• M19: 18,108,074 km (0.095 R)
• M20: 18,689,561 km (0.036 R)
• M21: 20,074,239 km (0.028 R)
• M22: 21,396,983 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468

Radius: 12

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.37 AU - 4.37 AU

Year: 5077 Days

Day: 5.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,881,077 km

• M1: 149,299 km (0.109 R)
• M2: 561,740 km (0.073 R)
• M3: 1,144,723 km (0.08 R)
• M4: 1,569,431 km (0.103 R)
• M5: 2,665,984 km (0.028 R)
• M6: 3,254,202 km (0.063 R)
• M7: 4,149,396 km (0.074 R)
• M8: 4,816,154 km (0.097 R)
• M9: 5,470,794 km (0.094 R)
• M10: 6,036,424 km (0.086 R)
• M11: 6,485,965 km (0.117 R)
• M12: 7,022,573 km (0.098 R)
• M13: 7,970,874 km (0.1 R)
• M14: 9,079,693 km (0.083 R)
• M15: 9,711,744 km (0.068 R)
• M16: 10,671,415 km (0.087 R)
• M17: 11,556,436 km (0.087 R)
• M18: 12,204,643 km (0.114 R)
• M19: 13,073,508 km (0.08 R)
• M20: 13,726,353 km (0.111 R)
• M21: 15,260,928 km (0.032 R)
• M22: 17,441,167 km (0.107 R)
• M23: 18,170,905 km (0.09 R)
• M24: 20,084,412 km (0.116 R)
• M25: 21,570,517 km (0.05 R)
• M26: 22,983,918 km (0.094 R)
• M27: 24,383,107 km (0.081 R)
• M28: 26,627,075 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.6

Radius: 10.9

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.34 AU - 5.78 AU

Year: 8743 Days

Day: 10.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,881,077 km

• M1: 135,536 km (0.116 R)
• M2: 802,443 km (0.116 R)
• M3: 1,203,664 km (0.077 R)
• M4: 1,711,400 km (0.116 R)
• M5: 2,376,961 km (0.051 R)
• M6: 3,053,442 km (0.116 R)
• M7: 3,653,778 km (0.118 R)
• M8: 4,470,882 km (0.108 R)
• M9: 6,285,953 km (0.066 R)
• M10: 7,142,102 km (0.101 R)
• M11: 8,159,068 km (0.093 R)
• M12: 8,680,267 km (0.027 R)
• M13: 9,741,514 km (0.033 R)
• M14: 11,095,076 km (0.098 R)
• M15: 12,120,270 km (0.082 R)
• M16: 14,296,171 km (0.109 R)
• M17: 15,183,585 km (0.066 R)
• M18: 16,720,704 km (0.062 R)
• M19: 17,068,219 km (0.101 R)
• M20: 17,420,522 km (0.095 R)
• M21: 17,849,569 km (0.099 R)
• M22: 18,803,555 km (0.077 R)
• M23: 20,973,472 km (0.111 R)
• M24: 23,914,117 km (0.115 R)
• M25: 26,175,887 km (0.085 R)
• M26: 32,393,923 km (0.038 R)
• M27: 33,922,813 km (0.118 R)
• M28: 34,592,563 km (0.114 R)
• M29: 37,242,091 km (0.114 R)
• M30: 38,074,453 km (0.07 R)
• M31: 40,023,863 km (0.111 R)
• M32: 41,402,108 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.2

Radius: 7.9

Gravity: 13.69 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.26 AU - 7.82 AU

Year: 13807 Days

Day: 19.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,881,077 km

• M1: 98,286 km (0.11 R)
• M2: 350,209 km (0.106 R)
• M3: 609,163 km (0.079 R)
• M4: 970,292 km (0.092 R)
• M5: 1,233,883 km (0.096 R)
• M6: 1,640,041 km (0.108 R)
• M7: 2,001,021 km (0.077 R)
• M8: 2,790,150 km (0.098 R)
• M9: 3,887,151 km (0.047 R)
• M10: 4,468,339 km (0.118 R)
• M11: 5,247,744 km (0.078 R)
• M12: 6,645,437 km (0.087 R)
• M13: 7,250,710 km (0.097 R)
• M14: 9,661,330 km (0.038 R)
• M15: 11,557,333 km (0.113 R)
• M16: 13,017,259 km (0.103 R)
• M17: 13,552,669 km (0.06 R)
• M18: 14,383,237 km (0.109 R)
• M19: 17,397,484 km (0.04 R)
• M20: 17,720,317 km (0.076 R)
• M21: 19,222,878 km (0.086 R)
• M22: 19,654,767 km (0.112 R)
• M23: 22,006,445 km (0.11 R)
• M24: 30,060,645 km (0.11 R)
• M25: 31,829,640 km (0.111 R)
• M26: 37,955,673 km (0.088 R)
• M27: 38,635,744 km (0.11 R)
• M28: 40,160,446 km (0.085 R)
• M29: 45,736,108 km (0.098 R)
• M30: 46,351,554 km (0.119 R)
• M31: 49,349,944 km (0.073 R)
• M32: 59,481,310 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560.4

Radius: 6.1

Gravity: 15.06 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 8.81 AU - 12.59 AU

Year: 23340 Days

Day: 17.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,881,077 km

• M1: 76,295 km (0.08 R)
• M2: 616,343 km (0.061 R)
• M3: 1,367,175 km (0.116 R)
• M4: 1,559,109 km (0.111 R)
• M5: 1,881,044 km (0.091 R)
• M6: 2,140,446 km (0.11 R)
• M7: 2,658,205 km (0.103 R)
• M8: 3,228,172 km (0.103 R)
• M9: 4,100,029 km (0.096 R)
• M10: 4,573,057 km (0.091 R)
• M11: 4,969,641 km (0.085 R)
• M12: 5,667,665 km (0.091 R)
• M13: 5,998,127 km (0.118 R)
• M14: 6,429,268 km (0.081 R)
• M15: 7,353,184 km (0.089 R)
• M16: 7,548,110 km (0.055 R)
• M17: 8,257,653 km (0.084 R)
• M18: 9,461,168 km (0.063 R)
• M19: 10,045,198 km (0.1 R)
• M20: 13,115,694 km (0.097 R)
• M21: 16,592,199 km (0.111 R)
• M22: 16,928,196 km (0.114 R)
• M23: 17,440,569 km (0.076 R)
• M24: 19,039,620 km (0.048 R)
• M25: 26,531,033 km (0.054 R)
• M26: 30,985,160 km (0.066 R)
• M27: 36,053,087 km (0.049 R)
• M28: 36,900,708 km (0.071 R)
• M29: 38,929,854 km (0.108 R)
• M30: 44,810,696 km (0.103 R)
• M31: 48,472,104 km (0.058 R)
• M32: 51,790,633 km (0.1 R)
• M33: 53,050,397 km (0.077 R)
• M34: 62,042,875 km (0.075 R)
• M35: 70,015,843 km (0.103 R)
• M36: 72,445,013 km (0.101 R)
• M37: 77,004,906 km (0.218 R)
• M38: 78,409,181 km (0.112 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 19,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit