🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.1

Radius: 14.7

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.42 AU - 3.16 AU

Year: 2064 Days

Day: 5.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 167.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,003,237 km

• M1: 184,454 km (0.118 R)
• M2: 751,281 km (0.115 R)
• M3: 1,310,178 km (0.111 R)
• M4: 1,936,544 km (0.086 R)
• M5: 2,586,846 km (0.108 R)
• M6: 3,164,145 km (0.1 R)
• M7: 4,497,660 km (0.106 R)
• M8: 5,062,691 km (0.103 R)
• M9: 8,569,564 km (0.116 R)
• M10: 9,687,210 km (0.056 R)
• M11: 11,563,018 km (0.095 R)
• M12: 12,088,256 km (0.104 R)
• M13: 12,587,165 km (0.117 R)
• M14: 13,939,978 km (0.101 R)
• M15: 15,581,665 km (0.099 R)
• M16: 16,073,693 km (0.092 R)
• M17: 16,831,107 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.6

Radius: 11.1

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.38 AU - 3.5 AU

Year: 2233 Days

Day: 5.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,003,237 km

• M1: 138,079 km (0.088 R)
• M2: 509,830 km (0.066 R)
• M3: 977,772 km (0.061 R)
• M4: 1,322,894 km (0.108 R)
• M5: 2,088,237 km (0.096 R)
• M6: 2,987,170 km (0.093 R)
• M7: 3,682,950 km (0.109 R)
• M8: 4,302,734 km (0.114 R)
• M9: 5,281,553 km (0.095 R)
• M10: 5,823,845 km (0.087 R)
• M11: 6,454,999 km (0.08 R)
• M12: 6,855,322 km (0.106 R)
• M13: 7,443,541 km (0.118 R)
• M14: 8,467,090 km (0.114 R)
• M15: 9,111,707 km (0.026 R)
• M16: 9,616,301 km (0.101 R)
• M17: 12,506,532 km (0.054 R)
• M18: 13,172,691 km (0.032 R)
• M19: 13,906,319 km (0.067 R)
• M20: 15,549,502 km (0.083 R)
• M21: 15,931,724 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.6

Radius: 8.3

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.57 AU - 3.33 AU

Year: 2244 Days

Day: 7.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,003,237 km

• M1: 103,223 km (0.095 R)
• M2: 362,176 km (0.07 R)
• M3: 725,998 km (0.119 R)
• M4: 1,064,389 km (0.096 R)
• M5: 1,347,278 km (0.099 R)
• M6: 1,731,296 km (0.118 R)
• M7: 2,235,591 km (0.107 R)
• M8: 3,026,664 km (0.067 R)
• M9: 3,339,174 km (0.078 R)
• M10: 3,690,280 km (0.085 R)
• M11: 4,066,070 km (0.088 R)
• M12: 5,282,151 km (0.08 R)
• M13: 5,973,892 km (0.095 R)
• M14: 7,258,937 km (0.112 R)
• M15: 7,678,260 km (0.098 R)
• M16: 8,025,028 km (0.101 R)
• M17: 8,938,323 km (0.118 R)
• M18: 10,330,930 km (0.095 R)
• M19: 11,262,326 km (0.086 R)
• M20: 11,597,425 km (0.09 R)
• M21: 12,523,735 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.1

Radius: 11.5

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.66 AU - 4 AU

Year: 3320 Days

Day: 14.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,003,237 km

• M1: 151,393 km (0.117 R)
• M2: 617,839 km (0.103 R)
• M3: 1,068,278 km (0.118 R)
• M4: 1,919,041 km (0.061 R)
• M5: 2,868,689 km (0.076 R)
• M6: 3,412,327 km (0.1 R)
• M7: 6,249,152 km (0.098 R)
• M8: 7,544,969 km (0.081 R)
• M9: 8,307,918 km (0.097 R)
• M10: 9,604,333 km (0.119 R)
• M11: 10,182,529 km (0.085 R)
• M12: 12,869,007 km (0.031 R)
• M13: 13,812,521 km (0.081 R)
• M14: 15,004,816 km (0.097 R)
• M15: 15,731,413 km (0.103 R)
• M16: 16,103,313 km (0.059 R)
• M17: 17,254,768 km (0.11 R)
• M18: 18,874,165 km (0.041 R)
• M19: 19,967,426 km (0.035 R)
• M20: 22,213,339 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.3

Radius: 14.6

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.87 AU - 3.87 AU

Year: 3372 Days

Day: 9.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,003,237 km

• M1: 183,856 km (0.081 R)
• M2: 929,452 km (0.099 R)
• M3: 1,499,270 km (0.097 R)
• M4: 2,291,391 km (0.087 R)
• M5: 2,778,332 km (0.066 R)
• M6: 3,320,026 km (0.09 R)
• M7: 3,983,492 km (0.062 R)
• M8: 5,093,359 km (0.092 R)
• M9: 5,710,300 km (0.074 R)
• M10: 7,146,141 km (0.045 R)
• M11: 7,756,350 km (0.087 R)
• M12: 9,173,341 km (0.114 R)
• M13: 11,958,106 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.6

Radius: 14.4

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.15 AU - 5.03 AU

Year: 4356 Days

Day: 13.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,003,237 km

• M1: 179,368 km (0.111 R)
• M2: 650,152 km (0.117 R)
• M3: 1,597,406 km (0.093 R)
• M4: 2,308,295 km (0.095 R)
• M5: 2,982,682 km (0.037 R)
• M6: 3,886,403 km (0.041 R)
• M7: 4,800,596 km (0.039 R)
• M8: 5,537,964 km (0.103 R)
• M9: 6,755,541 km (0.05 R)
• M10: 8,178,366 km (0.119 R)
• M11: 9,716,980 km (0.108 R)
• M12: 10,218,283 km (0.067 R)
• M13: 12,044,424 km (0.092 R)
• M14: 12,851,205 km (0.117 R)
• M15: 15,645,245 km (0.108 R)
• M16: 18,469,353 km (0.114 R)
• M17: 19,001,024 km (0.119 R)
• M18: 20,343,515 km (0.048 R)
• M19: 21,488,238 km (0.046 R)
• M20: 22,208,552 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.9

Radius: 13.2

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.57 AU - 5.91 AU

Year: 6091 Days

Day: 5.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,003,237 km

• M1: 164,109 km (0.098 R)
• M2: 888,013 km (0.114 R)
• M3: 1,589,477 km (0.088 R)
• M4: 2,540,621 km (0.081 R)
• M5: 2,993,902 km (0.104 R)
• M6: 4,043,182 km (0.1 R)
• M7: 4,467,740 km (0.098 R)
• M8: 4,974,578 km (0.104 R)
• M9: 5,576,261 km (0.067 R)
• M10: 6,633,768 km (0.036 R)
• M11: 7,092,585 km (0.113 R)
• M12: 7,572,644 km (0.086 R)
• M13: 8,371,048 km (0.065 R)
• M14: 10,924,833 km (0.069 R)
• M15: 11,801,776 km (0.117 R)
• M16: 13,644,074 km (0.114 R)
• M17: 14,119,795 km (0.062 R)
• M18: 15,329,443 km (0.119 R)
• M19: 17,394,792 km (0.112 R)
• M20: 18,849,332 km (0.034 R)
• M21: 20,936,072 km (0.054 R)
• M22: 22,949,510 km (0.098 R)
• M23: 24,156,466 km (0.055 R)
• M24: 27,525,859 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960

Radius: 9.7

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.44 AU - 10.22 AU

Year: 12623 Days

Day: 6.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,003,237 km

• M1: 121,025 km (0.066 R)
• M2: 683,363 km (0.059 R)
• M3: 1,449,603 km (0.086 R)
• M4: 2,450,563 km (0.105 R)
• M5: 3,313,742 km (0.119 R)
• M6: 3,916,173 km (0.106 R)
• M7: 5,338,998 km (0.112 R)
• M8: 5,668,114 km (0.091 R)
• M9: 6,207,115 km (0.099 R)
• M10: 6,612,824 km (0.101 R)
• M11: 7,166,486 km (0.07 R)
• M12: 8,318,240 km (0.09 R)
• M13: 9,377,393 km (0.05 R)
• M14: 9,966,958 km (0.093 R)
• M15: 10,868,435 km (0.037 R)
• M16: 11,458,898 km (0.094 R)
• M17: 13,694,937 km (0.075 R)
• M18: 14,244,260 km (0.092 R)
• M19: 16,131,587 km (0.116 R)
• M20: 16,978,162 km (0.067 R)
• M21: 19,956,356 km (0.11 R)
• M22: 24,646,698 km (0.097 R)
• M23: 24,949,484 km (0.063 R)
• M24: 25,976,773 km (0.109 R)
• M25: 28,115,573 km (0.08 R)
• M26: 30,138,585 km (0.055 R)
• M27: 30,833,916 km (0.102 R)
• M28: 33,106,607 km (0.1 R)
• M29: 41,155,721 km (0.117 R)
• M30: 45,553,898 km (0.096 R)
• M31: 51,727,054 km (0.073 R)
• M32: 52,223,869 km (0.057 R)
• M33: 54,927,102 km (0.095 R)
• M34: 59,879,689 km (0.097 R)
• M35: 61,162,940 km (0.025 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.7

Radius: 5.7

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 10.58 AU - 11.96 AU

Year: 16758 Days

Day: 18.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,003,237 km

• M1: 71,059 km (0.113 R)
• M2: 312,959 km (0.117 R)
• M3: 586,573 km (0.059 R)
• M4: 981,063 km (0.092 R)
• M5: 1,314,965 km (0.097 R)
• M6: 1,737,878 km (0.113 R)
• M7: 2,209,261 km (0.067 R)
• M8: 2,505,914 km (0.099 R)
• M9: 3,130,635 km (0.115 R)
• M10: 3,583,767 km (0.061 R)
• M11: 4,050,961 km (0.092 R)
• M12: 10,236,085 km (0.069 R)
• M13: 10,725,120 km (0.065 R)
• M14: 11,344,007 km (0.113 R)
• M15: 17,102,477 km (0.07 R)
• M16: 18,897,951 km (0.066 R)
• M17: 22,043,994 km (0.107 R)
• M18: 28,279,832 km (0.087 R)

Planet 10 - Ice Giant

Semi-Major Axis: 12.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.6

Radius: 3.4

Gravity: 68.91 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 10.42 AU - 14.62 AU

Year: 19622 Days

Day: 16 Hours

Environment

Temp: -204 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,003,237 km

• M1: 45,328 km (0.108 R)
• M2: 192,832 km (0.075 R)
• M3: 314,156 km (0.119 R)
• M4: 472,729 km (0.054 R)
• M5: 2,828,597 km (0.093 R)
• M6: 3,486,079 km (0.052 R)
• M7: 3,634,929 km (0.107 R)
• M8: 3,881,915 km (0.075 R)
• M9: 4,173,033 km (0.092 R)
• M10: 6,953,608 km (0.096 R)
• M11: 7,728,076 km (0.104 R)
• M12: 10,516,581 km (0.104 R)
• M13: 12,406,899 km (0.077 R)
• M14: 18,860,851 km (0.113 R)
• M15: 19,319,817 km (0.102 R)
• M16: 20,741,446 km (0.072 R)
• M17: 25,869,062 km (0.113 R)
• M18: 32,169,077 km (0.09 R)
• M19: 34,978,675 km (0.075 R)
• M20: 37,657,674 km (0.052 R)
• M21: 38,238,562 km (0.086 R)
• M22: 41,540,786 km (0.112 R)
• M23: 42,005,437 km (0.111 R)
• M24: 43,578,757 km (0.106 R)
• M25: 52,578,116 km (0.081 R)
• M26: 54,774,363 km (0.076 R)
• M27: 57,221,934 km (0.094 R)
• M28: 73,453,452 km (0.114 R)
• M29: 75,733,024 km (0.097 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 17,498 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit