🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.53 AU - 0.75 AU

Year: 188 Days

Day: 45.6 Hours

Environment

Temp: 208 °C

Axial Tilt: 7.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.06 AU - 1.26 AU

Year: 459 Days

Day: 27.9 Hours

Environment

Temp: 19 °C

Axial Tilt: 31.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.17 AU - 2.69 AU

Year: 1391 Days

Day: 41.5 Hours

Environment

Temp: -77 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.3

Radius: 11.5

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.94 AU - 5.28 AU

Year: 4240 Days

Day: 11.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,465,368 km

• M1: 143,165 km (0.083 R)
• M2: 770,878 km (0.054 R)
• M3: 1,181,225 km (0.118 R)
• M4: 1,565,243 km (0.112 R)
• M5: 2,290,942 km (0.101 R)
• M6: 2,698,895 km (0.074 R)
• M7: 3,243,880 km (0.104 R)
• M8: 3,997,405 km (0.1 R)
• M9: 4,462,355 km (0.111 R)
• M10: 5,124,774 km (0.117 R)
• M11: 5,696,537 km (0.114 R)
• M12: 6,334,123 km (0.087 R)
• M13: 7,943,198 km (0.079 R)
• M14: 10,625,189 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.6

Radius: 10.7

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.23 AU - 6.41 AU

Year: 4504 Days

Day: 12.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,465,368 km

• M1: 134,040 km (0.045 R)
• M2: 1,362,687 km (0.083 R)
• M3: 1,715,439 km (0.066 R)
• M4: 2,487,214 km (0.081 R)
• M5: 3,358,771 km (0.114 R)
• M6: 3,720,649 km (0.056 R)
• M7: 4,462,804 km (0.05 R)
• M8: 4,944,958 km (0.097 R)
• M9: 6,088,933 km (0.077 R)
• M10: 6,446,172 km (0.091 R)
• M11: 7,175,013 km (0.1 R)
• M12: 7,808,710 km (0.088 R)
• M13: 8,323,626 km (0.09 R)
• M14: 12,021,685 km (0.063 R)
• M15: 13,294,464 km (0.111 R)
• M16: 14,928,671 km (0.105 R)
• M17: 16,009,665 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.4

Radius: 10.3

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.44 AU - 8.56 AU

Year: 9097 Days

Day: 6.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,465,368 km

• M1: 130,449 km (0.109 R)
• M2: 469,887 km (0.049 R)
• M3: 1,091,017 km (0.103 R)
• M4: 1,795,174 km (0.05 R)
• M5: 2,991,359 km (0.069 R)
• M6: 3,981,398 km (0.067 R)
• M7: 4,744,347 km (0.096 R)
• M8: 5,370,264 km (0.098 R)
• M9: 6,014,882 km (0.103 R)
• M10: 7,176,659 km (0.119 R)
• M11: 8,261,393 km (0.109 R)
• M12: 11,123,798 km (0.096 R)
• M13: 12,342,423 km (0.073 R)
• M14: 13,103,128 km (0.074 R)
• M15: 13,832,866 km (0.1 R)
• M16: 14,847,589 km (0.039 R)
• M17: 15,979,297 km (0.068 R)
• M18: 16,461,750 km (0.051 R)
• M19: 20,596,784 km (0.088 R)
• M20: 26,895,154 km (0.034 R)
• M21: 28,877,027 km (0.049 R)
• M22: 31,812,735 km (0.112 R)
• M23: 34,027,681 km (0.116 R)
• M24: 35,521,416 km (0.071 R)
• M25: 35,872,223 km (0.079 R)
• M26: 37,419,215 km (0.06 R)
• M27: 37,903,912 km (0.076 R)
• M28: 38,762,454 km (0.11 R)
• M29: 40,137,707 km (0.113 R)
• M30: 41,674,676 km (0.114 R)
• M31: 42,457,820 km (0.116 R)
• M32: 45,413,126 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 795.1

Radius: 8

Gravity: 12.42 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 14.7 AU - 16.28 AU

Year: 22379 Days

Day: 18.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,465,368 km

• M1: 99,483 km (0.069 R)
• M2: 420,071 km (0.027 R)
• M3: 671,545 km (0.07 R)
• M4: 1,067,082 km (0.099 R)
• M5: 1,460,823 km (0.036 R)
• M6: 1,756,578 km (0.09 R)
• M7: 2,071,482 km (0.042 R)
• M8: 3,109,691 km (0.062 R)
• M9: 3,573,444 km (0.03 R)
• M10: 4,424,806 km (0.102 R)
• M11: 5,324,936 km (0.119 R)
• M12: 5,692,199 km (0.085 R)
• M13: 5,989,450 km (0.055 R)
• M14: 8,155,328 km (0.094 R)
• M15: 9,739,569 km (0.095 R)
• M16: 11,452,166 km (0.05 R)
• M17: 14,344,341 km (0.117 R)
• M18: 16,042,427 km (0.106 R)
• M19: 16,983,248 km (0.12 R)
• M20: 21,523,094 km (0.086 R)
• M21: 25,991,583 km (0.093 R)
• M22: 32,634,925 km (0.045 R)
• M23: 34,142,722 km (0.097 R)
• M24: 34,561,746 km (0.078 R)
• M25: 37,296,395 km (0.106 R)
• M26: 41,425,894 km (0.073 R)
• M27: 43,029,584 km (0.066 R)
• M28: 47,565,541 km (0.084 R)
• M29: 51,856,456 km (0.083 R)
• M30: 54,475,017 km (0.106 R)
• M31: 58,167,990 km (0.101 R)
• M32: 78,669,631 km (0.078 R)
• M33: 82,622,006 km (0.089 R)
• M34: 83,630,446 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.3

Radius: 5.7

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 14.57 AU - 17.11 AU

Year: 23142 Days

Day: 23.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,465,368 km

• M1: 71,059 km (0.052 R)
• M2: 273,764 km (0.09 R)
• M3: 546,930 km (0.1 R)
• M4: 904,170 km (0.047 R)
• M5: 2,239,929 km (0.092 R)
• M6: 2,453,106 km (0.11 R)
• M7: 3,557,437 km (0.067 R)
• M8: 3,848,704 km (0.11 R)
• M9: 5,626,825 km (0.103 R)
• M10: 5,862,142 km (0.093 R)
• M11: 7,938,860 km (0.076 R)
• M12: 8,487,585 km (0.068 R)
• M13: 9,061,293 km (0.056 R)
• M14: 9,828,281 km (0.031 R)
• M15: 10,285,602 km (0.03 R)
• M16: 12,653,586 km (0.065 R)
• M17: 28,305,413 km (0.12 R)
• M18: 32,498,193 km (0.1 R)
• M19: 33,002,188 km (0.114 R)
• M20: 33,256,205 km (0.098 R)
• M21: 34,155,288 km (0.082 R)
• M22: 36,271,201 km (0.087 R)
• M23: 37,361,320 km (0.101 R)
• M24: 38,613,454 km (0.109 R)
• M25: 41,348,403 km (0.09 R)
• M26: 42,088,912 km (0.07 R)
• M27: 45,139,961 km (0.084 R)
• M28: 49,654,376 km (0.103 R)
• M29: 51,507,295 km (0.109 R)
• M30: 53,231,261 km (0.052 R)
• M31: 55,529,533 km (0.093 R)
• M32: 57,893,030 km (0.081 R)
• M33: 58,819,639 km (0.035 R)
• M34: 60,133,407 km (0.106 R)
• M35: 63,209,738 km (0.082 R)
• M36: 64,192,147 km (0.08 R)
• M37: 66,187,484 km (0.091 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 15,826 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit