🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.48 AU - 0.52 AU

Year: 225 Days

Day: 31.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,334,887 km

• M1: 167,101 km (0.118 R)

Asteroid Belt

Center: 1.21 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.7

Radius: 8.1

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.77 AU - 2.05 AU

Year: 1678 Days

Day: 6 Hours

Environment

Temp: -194 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,334,887 km

• M1: 100,679 km (0.047 R)
• M2: 468,092 km (0.105 R)
• M3: 940,671 km (0.119 R)
• M4: 1,360,293 km (0.047 R)
• M5: 2,277,179 km (0.113 R)
• M6: 2,576,225 km (0.039 R)
• M7: 3,254,202 km (0.104 R)
• M8: 4,011,916 km (0.075 R)
• M9: 4,523,840 km (0.087 R)
• M10: 5,613,660 km (0.06 R)
• M11: 7,706,834 km (0.107 R)
• M12: 8,554,305 km (0.076 R)
• M13: 8,869,508 km (0.099 R)
• M14: 9,222,110 km (0.104 R)
• M15: 9,861,940 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.8

Radius: 12.5

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.74 AU - 3.88 AU

Year: 3829 Days

Day: 14.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,334,887 km

• M1: 155,432 km (0.061 R)
• M2: 555,906 km (0.12 R)
• M3: 1,160,879 km (0.113 R)
• M4: 1,813,126 km (0.091 R)
• M5: 2,488,261 km (0.112 R)
• M6: 3,479,048 km (0.078 R)
• M7: 4,301,836 km (0.052 R)
• M8: 5,204,510 km (0.118 R)
• M9: 5,725,559 km (0.113 R)
• M10: 6,126,332 km (0.109 R)
• M11: 7,268,512 km (0.106 R)
• M12: 9,377,692 km (0.104 R)
• M13: 11,827,208 km (0.119 R)
• M14: 12,605,117 km (0.114 R)
• M15: 13,028,030 km (0.089 R)
• M16: 13,947,159 km (0.062 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.4

Radius: 5.7

Gravity: 22.02 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.81 AU - 6.79 AU

Year: 10054 Days

Day: 22.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,334,887 km

• M1: 102,923 km (0.08 R)
• M2: 415,882 km (0.035 R)
• M3: 626,067 km (0.051 R)
• M4: 927,507 km (0.09 R)
• M5: 1,175,540 km (0.039 R)
• M6: 1,986,361 km (0.119 R)
• M7: 2,214,647 km (0.107 R)
• M8: 2,440,839 km (0.083 R)
• M9: 2,766,364 km (0.078 R)
• M10: 3,120,312 km (0.084 R)
• M11: 3,812,203 km (0.106 R)
• M12: 4,845,625 km (0.048 R)
• M13: 5,034,567 km (0.104 R)
• M14: 7,123,103 km (0.096 R)
• M15: 7,492,161 km (0.115 R)
• M16: 8,091,300 km (0.096 R)
• M17: 8,860,981 km (0.077 R)
• M18: 9,678,533 km (0.099 R)
• M19: 9,978,776 km (0.064 R)
• M20: 10,182,379 km (0.073 R)
• M21: 11,024,615 km (0.117 R)
• M22: 14,728,958 km (0.095 R)
• M23: 19,501,429 km (0.06 R)
• M24: 23,736,545 km (0.103 R)
• M25: 27,040,862 km (0.056 R)
• M26: 30,106,721 km (0.067 R)
• M27: 30,746,551 km (0.052 R)
• M28: 31,723,126 km (0.092 R)
• M29: 36,194,906 km (0.114 R)
• M30: 38,393,546 km (0.098 R)
• M31: 39,525,553 km (0.043 R)
• M32: 43,189,504 km (0.106 R)
• M33: 45,940,908 km (0.1 R)
• M34: 46,930,946 km (0.091 R)
• M35: 47,646,623 km (0.027 R)
• M36: 48,079,559 km (0.032 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.3

Radius: 5

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.35 AU - 8.23 AU

Year: 11250 Days

Day: 24 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,334,887 km

• M1: 62,233 km (0.077 R)
• M2: 505,790 km (0.07 R)
• M3: 683,961 km (0.116 R)
• M4: 939,624 km (0.053 R)
• M5: 1,429,408 km (0.026 R)
• M6: 2,200,734 km (0.062 R)
• M7: 2,487,364 km (0.106 R)
• M8: 3,588,105 km (0.109 R)
• M9: 3,985,586 km (0.117 R)
• M10: 5,936,642 km (0.114 R)
• M11: 9,190,844 km (0.106 R)
• M12: 11,535,791 km (0.087 R)
• M13: 12,925,705 km (0.051 R)
• M14: 15,971,517 km (0.111 R)
• M15: 16,785,629 km (0.111 R)
• M16: 25,563,883 km (0.063 R)
• M17: 27,731,406 km (0.089 R)
• M18: 31,352,273 km (0.034 R)
• M19: 32,131,977 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.6

Radius: 6.3

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.19 AU - 9.69 AU

Year: 14225 Days

Day: 16.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,334,887 km

• M1: 78,539 km (0.105 R)
• M2: 383,868 km (0.097 R)
• M3: 1,248,095 km (0.072 R)
• M4: 1,522,607 km (0.118 R)
• M5: 4,051,410 km (0.097 R)
• M6: 4,493,471 km (0.083 R)
• M7: 4,740,158 km (0.113 R)
• M8: 4,995,970 km (0.116 R)
• M9: 5,566,387 km (0.084 R)
• M10: 6,484,768 km (0.099 R)
• M11: 7,926,892 km (0.092 R)
• M12: 15,223,079 km (0.083 R)
• M13: 16,480,898 km (0.062 R)
• M14: 19,273,591 km (0.069 R)
• M15: 20,819,386 km (0.08 R)
• M16: 23,494,196 km (0.082 R)
• M17: 26,037,210 km (0.106 R)
• M18: 27,013,935 km (0.085 R)
• M19: 30,968,255 km (0.099 R)
• M20: 32,672,923 km (0.114 R)
• M21: 34,122,826 km (0.086 R)
• M22: 36,928,534 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.3

Radius: 8

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.53 AU - 8.55 AU

Year: 15868 Days

Day: 23.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 171.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,334,887 km

• M1: 103,372 km (0.104 R)
• M2: 541,095 km (0.098 R)
• M3: 1,044,492 km (0.119 R)
• M4: 1,399,039 km (0.034 R)
• M5: 2,273,140 km (0.111 R)
• M6: 2,670,621 km (0.104 R)
• M7: 4,548,673 km (0.077 R)
• M8: 5,147,064 km (0.096 R)
• M9: 5,611,117 km (0.088 R)
• M10: 6,063,800 km (0.082 R)
• M11: 7,042,469 km (0.119 R)
• M12: 9,890,514 km (0.12 R)
• M13: 10,328,087 km (0.044 R)
• M14: 10,778,377 km (0.113 R)
• M15: 11,718,450 km (0.095 R)
• M16: 12,712,079 km (0.113 R)
• M17: 15,806,810 km (0.038 R)
• M18: 22,674,998 km (0.113 R)
• M19: 29,920,322 km (0.1 R)
• M20: 32,362,208 km (0.107 R)
• M21: 33,448,289 km (0.057 R)
• M22: 47,351,316 km (0.088 R)
• M23: 50,016,402 km (0.069 R)
• M24: 50,818,995 km (0.089 R)
• M25: 57,026,409 km (0.026 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771

Radius: 7.3

Gravity: 14.47 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.58 AU - 10.9 AU

Year: 20835 Days

Day: 18.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,334,887 km

• M1: 91,554 km (0.115 R)
• M2: 442,660 km (0.084 R)
• M3: 898,186 km (0.052 R)
• M4: 1,469,799 km (0.102 R)
• M5: 2,630,080 km (0.101 R)
• M6: 3,063,914 km (0.076 R)
• M7: 3,818,486 km (0.099 R)
• M8: 4,375,139 km (0.118 R)
• M9: 5,059,849 km (0.073 R)
• M10: 5,981,970 km (0.089 R)
• M11: 7,106,348 km (0.089 R)
• M12: 8,963,904 km (0.08 R)
• M13: 10,368,628 km (0.11 R)
• M14: 11,646,643 km (0.112 R)
• M15: 12,601,676 km (0.096 R)
• M16: 13,979,771 km (0.116 R)
• M17: 15,215,899 km (0.056 R)
• M18: 16,691,981 km (0.106 R)
• M19: 17,464,654 km (0.118 R)
• M20: 20,021,132 km (0.076 R)
• M21: 21,993,131 km (0.092 R)
• M22: 23,983,082 km (0.1 R)
• M23: 26,318,753 km (0.117 R)
• M24: 31,307,992 km (0.035 R)
• M25: 34,640,584 km (0.103 R)
• M26: 37,616,684 km (0.098 R)
• M27: 51,766,548 km (0.061 R)
• M28: 66,074,537 km (0.106 R)
• M29: 67,355,693 km (0.107 R)
• M30: 68,435,940 km (0.119 R)
• M31: 71,075,594 km (0.116 R)
• M32: 74,469,670 km (0.113 R)
• M33: 75,857,041 km (0.113 R)
• M34: 78,445,084 km (0.096 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: 188 - 16,825 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit