🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.52 AU - 0.8 AU

Year: 346 Days

Day: 24 Hours

Environment

Temp: -135 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,756,509 km

• M1: 667,655 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.5

Radius: 10.2

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.93 AU - 1.05 AU

Year: 636 Days

Day: 14.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,756,509 km

• M1: 126,859 km (0.091 R)
• M2: 448,046 km (0.082 R)
• M3: 780,901 km (0.114 R)
• M4: 1,162,824 km (0.094 R)
• M5: 1,511,537 km (0.117 R)
• M6: 1,915,601 km (0.072 R)
• M7: 2,329,987 km (0.094 R)
• M8: 2,863,752 km (0.106 R)
• M9: 3,477,552 km (0.08 R)
• M10: 3,921,409 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980

Radius: 13.3

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.29 AU - 1.47 AU

Year: 1047 Days

Day: 8.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,756,509 km

• M1: 165,455 km (0.035 R)
• M2: 626,366 km (0.104 R)
• M3: 1,166,265 km (0.083 R)
• M4: 1,800,261 km (0.111 R)
• M5: 2,220,780 km (0.06 R)
• M6: 2,863,902 km (0.105 R)
• M7: 3,339,922 km (0.104 R)
• M8: 3,852,594 km (0.105 R)
• M9: 4,364,069 km (0.107 R)
• M10: 5,461,968 km (0.036 R)
• M11: 5,954,145 km (0.117 R)
• M12: 6,383,042 km (0.06 R)
• M13: 7,278,086 km (0.069 R)
• M14: 8,036,697 km (0.045 R)
• M15: 8,590,209 km (0.111 R)
• M16: 11,714,261 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.4

Radius: 10.1

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.57 AU - 2.23 AU

Year: 1691 Days

Day: 12.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 148.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,756,509 km

• M1: 125,961 km (0.105 R)
• M2: 563,086 km (0.099 R)
• M3: 1,332,468 km (0.075 R)
• M4: 1,732,044 km (0.081 R)
• M5: 2,143,887 km (0.117 R)
• M6: 2,737,491 km (0.053 R)
• M7: 3,609,946 km (0.071 R)
• M8: 4,772,920 km (0.068 R)
• M9: 5,377,595 km (0.105 R)
• M10: 5,875,008 km (0.08 R)
• M11: 6,545,804 km (0.093 R)
• M12: 7,012,400 km (0.107 R)
• M13: 8,866,815 km (0.052 R)
• M14: 9,316,207 km (0.066 R)
• M15: 10,656,156 km (0.103 R)
• M16: 11,442,292 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.3

Radius: 12.7

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.04 AU - 3.52 AU

Year: 3836 Days

Day: 11 Hours

Environment

Temp: -207 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,756,509 km

• M1: 161,267 km (0.083 R)
• M2: 621,878 km (0.11 R)
• M3: 1,681,779 km (0.12 R)
• M4: 2,495,143 km (0.066 R)
• M5: 2,965,778 km (0.071 R)
• M6: 3,376,873 km (0.109 R)
• M7: 3,912,433 km (0.07 R)
• M8: 4,576,199 km (0.11 R)
• M9: 6,070,981 km (0.058 R)
• M10: 6,802,963 km (0.104 R)
• M11: 7,289,755 km (0.117 R)
• M12: 7,904,602 km (0.091 R)
• M13: 8,406,503 km (0.107 R)
• M14: 9,836,509 km (0.089 R)
• M15: 10,545,453 km (0.057 R)
• M16: 11,198,897 km (0.095 R)
• M17: 12,829,364 km (0.109 R)
• M18: 13,983,661 km (0.092 R)
• M19: 15,536,337 km (0.111 R)
• M20: 16,040,781 km (0.115 R)
• M21: 17,082,581 km (0.091 R)
• M22: 21,154,336 km (0.101 R)
• M23: 23,123,792 km (0.065 R)
• M24: 23,855,924 km (0.11 R)
• M25: 24,830,703 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.2

Radius: 8.5

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.97 AU - 4.51 AU

Year: 4670 Days

Day: 7.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 45,756,509 km

• M1: 105,766 km (0.073 R)
• M2: 573,857 km (0.041 R)
• M3: 951,143 km (0.085 R)
• M4: 1,513,930 km (0.096 R)
• M5: 1,803,253 km (0.067 R)
• M6: 2,445,327 km (0.065 R)
• M7: 3,054,489 km (0.117 R)
• M8: 3,374,479 km (0.066 R)
• M9: 4,371,848 km (0.1 R)
• M10: 4,992,679 km (0.116 R)
• M11: 5,352,761 km (0.032 R)
• M12: 5,641,635 km (0.11 R)
• M13: 6,032,534 km (0.043 R)
• M14: 6,473,698 km (0.1 R)
• M15: 9,091,212 km (0.066 R)
• M16: 10,057,764 km (0.036 R)
• M17: 10,633,417 km (0.098 R)
• M18: 11,514,249 km (0.119 R)
• M19: 12,951,136 km (0.102 R)
• M20: 13,367,617 km (0.076 R)
• M21: 14,559,463 km (0.106 R)
• M22: 14,953,055 km (0.09 R)
• M23: 15,644,497 km (0.115 R)
• M24: 16,117,076 km (0.078 R)
• M25: 16,417,319 km (0.102 R)
• M26: 17,466,000 km (0.062 R)
• M27: 17,782,848 km (0.111 R)
• M28: 21,022,241 km (0.116 R)
• M29: 22,184,018 km (0.042 R)
• M30: 28,205,183 km (0.067 R)
• M31: 29,707,145 km (0.114 R)
• M32: 30,068,125 km (0.029 R)
• M33: 30,706,908 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.2

Radius: 9.4

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.59 AU - 5.39 AU

Year: 6143 Days

Day: 9.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,756,509 km

• M1: 116,836 km (0.105 R)
• M2: 426,204 km (0.12 R)
• M3: 719,267 km (0.107 R)
• M4: 1,051,972 km (0.057 R)
• M5: 2,227,213 km (0.107 R)
• M6: 2,787,607 km (0.109 R)
• M7: 3,700,603 km (0.077 R)
• M8: 5,072,714 km (0.073 R)
• M9: 5,558,458 km (0.113 R)
• M10: 5,919,737 km (0.034 R)
• M11: 6,790,397 km (0.113 R)
• M12: 10,448,514 km (0.034 R)
• M13: 11,141,152 km (0.081 R)
• M14: 13,190,792 km (0.098 R)
• M15: 14,670,614 km (0.1 R)
• M16: 15,187,625 km (0.105 R)
• M17: 16,625,709 km (0.088 R)
• M18: 16,936,424 km (0.054 R)
• M19: 19,701,591 km (0.105 R)
• M20: 20,829,858 km (0.103 R)
• M21: 22,375,354 km (0.115 R)
• M22: 25,693,135 km (0.037 R)
• M23: 26,276,268 km (0.088 R)
• M24: 29,325,371 km (0.048 R)
• M25: 30,330,370 km (0.096 R)
• M26: 30,794,722 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.8

Radius: 11

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.44 AU - 5.98 AU

Year: 8810 Days

Day: 6.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 110 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,756,509 km

• M1: 138,976 km (0.094 R)
• M2: 535,860 km (0.084 R)
• M3: 1,628,522 km (0.095 R)
• M4: 2,417,202 km (0.058 R)
• M5: 2,797,630 km (0.075 R)
• M6: 4,134,736 km (0.099 R)
• M7: 5,341,392 km (0.096 R)
• M8: 5,891,763 km (0.086 R)
• M9: 6,843,205 km (0.045 R)
• M10: 7,691,874 km (0.095 R)
• M11: 8,058,688 km (0.04 R)
• M12: 8,871,603 km (0.099 R)
• M13: 9,366,771 km (0.102 R)
• M14: 10,511,345 km (0.097 R)
• M15: 10,963,878 km (0.06 R)
• M16: 12,962,207 km (0.112 R)
• M17: 13,778,113 km (0.111 R)
• M18: 14,198,783 km (0.095 R)
• M19: 15,255,991 km (0.118 R)
• M20: 16,231,967 km (0.114 R)
• M21: 21,263,393 km (0.094 R)
• M22: 22,151,406 km (0.049 R)
• M23: 23,487,015 km (0.108 R)
• M24: 25,952,239 km (0.08 R)
• M25: 29,666,604 km (0.117 R)
• M26: 30,066,479 km (0.036 R)
• M27: 30,470,094 km (0.115 R)
• M28: 32,860,967 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 632.8

Radius: 5.3

Gravity: 22.53 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.99 AU - 6.19 AU

Year: 9704 Days

Day: 19.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 45,756,509 km

• M1: 70,311 km (0.06 R)
• M2: 236,065 km (0.081 R)
• M3: 448,195 km (0.104 R)
• M4: 614,548 km (0.025 R)
• M5: 1,068,877 km (0.029 R)
• M6: 1,324,390 km (0.082 R)
• M7: 1,563,148 km (0.082 R)
• M8: 1,925,923 km (0.067 R)
• M9: 2,287,651 km (0.105 R)
• M10: 2,632,923 km (0.104 R)
• M11: 4,174,229 km (0.111 R)
• M12: 4,341,480 km (0.048 R)
• M13: 5,278,411 km (0.051 R)
• M14: 6,715,299 km (0.08 R)
• M15: 7,503,081 km (0.115 R)
• M16: 9,119,785 km (0.079 R)
• M17: 9,690,352 km (0.063 R)
• M18: 9,885,876 km (0.091 R)
• M19: 11,274,444 km (0.117 R)
• M20: 12,846,717 km (0.111 R)
• M21: 13,563,291 km (0.077 R)
• M22: 14,180,532 km (0.1 R)
• M23: 15,206,624 km (0.088 R)
• M24: 17,477,669 km (0.079 R)
• M25: 19,651,625 km (0.095 R)
• M26: 20,281,731 km (0.102 R)
• M27: 21,665,212 km (0.06 R)
• M28: 23,723,679 km (0.109 R)
• M29: 24,800,185 km (0.116 R)
• M30: 25,628,658 km (0.11 R)
• M31: 28,523,676 km (0.078 R)
• M32: 33,820,488 km (0.12 R)
• M33: 37,774,061 km (0.102 R)
• M34: 40,616,420 km (0.098 R)
• M35: 44,668,727 km (0.109 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: 466 - 13,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit