🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.98 AU - 1.1 AU

Year: 404 Days

Day: 28 Hours

Environment

Temp: 9 °C

Axial Tilt: 34 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 56,298,007 km

• M1: 23,038 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.21 AU - 2.51 AU

Year: 1381 Days

Day: 34.2 Hours

Environment

Temp: -97 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,298,007 km

• M1: 626,067 km (0.069 R)

Asteroid Belt

Center: 3.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.8

Radius: 8.5

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.66 AU - 5.3 AU

Year: 3611 Days

Day: 11.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,298,007 km

• M1: 105,766 km (0.053 R)
• M2: 525,986 km (0.111 R)
• M3: 1,192,594 km (0.103 R)
• M4: 1,726,509 km (0.036 R)
• M5: 2,081,505 km (0.078 R)
• M6: 2,529,401 km (0.089 R)
• M7: 2,873,625 km (0.117 R)
• M8: 3,561,327 km (0.053 R)
• M9: 4,015,805 km (0.104 R)
• M10: 5,460,921 km (0.097 R)
• M11: 5,904,179 km (0.108 R)
• M12: 7,316,832 km (0.117 R)
• M13: 10,436,845 km (0.11 R)
• M14: 12,309,661 km (0.05 R)
• M15: 13,395,293 km (0.11 R)
• M16: 14,990,305 km (0.112 R)
• M17: 16,069,055 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.7

Radius: 15

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.4 AU - 5.5 AU

Year: 4845 Days

Day: 14.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,298,007 km

• M1: 186,549 km (0.106 R)
• M2: 819,348 km (0.05 R)
• M3: 1,315,115 km (0.078 R)
• M4: 2,468,963 km (0.096 R)
• M5: 3,162,499 km (0.113 R)
• M6: 3,868,003 km (0.044 R)
• M7: 4,943,910 km (0.067 R)
• M8: 6,147,724 km (0.032 R)
• M9: 8,212,923 km (0.052 R)
• M10: 8,764,490 km (0.099 R)
• M11: 10,118,800 km (0.117 R)
• M12: 11,854,135 km (0.056 R)
• M13: 13,617,146 km (0.098 R)
• M14: 15,020,973 km (0.094 R)
• M15: 17,336,748 km (0.061 R)
• M16: 19,882,006 km (0.119 R)
• M17: 23,598,466 km (0.028 R)
• M18: 24,554,994 km (0.112 R)
• M19: 25,870,558 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.4

Radius: 14.3

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.45 AU - 8.33 AU

Year: 6887 Days

Day: 12.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,298,007 km

• M1: 177,872 km (0.075 R)
• M2: 1,136,196 km (0.09 R)
• M3: 1,608,476 km (0.111 R)
• M4: 2,184,129 km (0.074 R)
• M5: 3,166,837 km (0.043 R)
• M6: 3,805,471 km (0.12 R)
• M7: 5,664,972 km (0.056 R)
• M8: 6,644,240 km (0.098 R)
• M9: 7,882,461 km (0.066 R)
• M10: 9,144,469 km (0.097 R)
• M11: 10,221,125 km (0.103 R)
• M12: 12,067,312 km (0.099 R)
• M13: 13,096,097 km (0.104 R)
• M14: 14,407,023 km (0.117 R)
• M15: 15,743,830 km (0.1 R)
• M16: 17,035,308 km (0.108 R)
• M17: 18,396,200 km (0.117 R)
• M18: 20,536,197 km (0.11 R)
• M19: 21,555,108 km (0.11 R)
• M20: 22,455,089 km (0.105 R)
• M21: 23,301,963 km (0.038 R)
• M22: 24,733,465 km (0.105 R)
• M23: 26,732,541 km (0.101 R)
• M24: 28,479,096 km (0.116 R)
• M25: 32,587,353 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.1

Radius: 11.5

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.86 AU - 7.06 AU

Year: 6992 Days

Day: 12.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,298,007 km

• M1: 143,165 km (0.052 R)
• M2: 1,307,635 km (0.063 R)
• M3: 1,915,601 km (0.095 R)
• M4: 2,362,898 km (0.068 R)
• M5: 3,232,960 km (0.056 R)
• M6: 4,005,782 km (0.1 R)
• M7: 4,769,928 km (0.085 R)
• M8: 5,349,919 km (0.095 R)
• M9: 5,743,062 km (0.095 R)
• M10: 6,493,445 km (0.099 R)
• M11: 7,478,846 km (0.095 R)
• M12: 8,080,080 km (0.06 R)
• M13: 8,944,606 km (0.101 R)
• M14: 10,036,820 km (0.074 R)
• M15: 11,080,565 km (0.087 R)
• M16: 11,722,040 km (0.079 R)
• M17: 12,436,520 km (0.112 R)
• M18: 15,251,503 km (0.107 R)
• M19: 20,776,451 km (0.071 R)
• M20: 22,831,178 km (0.079 R)
• M21: 25,408,750 km (0.119 R)
• M22: 25,882,975 km (0.119 R)
• M23: 26,363,184 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.8

Radius: 10.4

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.59 AU - 11.41 AU

Year: 11150 Days

Day: 8.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,298,007 km

• M1: 132,693 km (0.082 R)
• M2: 465,997 km (0.085 R)
• M3: 1,170,603 km (0.084 R)
• M4: 1,599,201 km (0.103 R)
• M5: 1,992,494 km (0.11 R)
• M6: 3,161,751 km (0.115 R)
• M7: 5,457,929 km (0.073 R)
• M8: 6,246,908 km (0.053 R)
• M9: 7,786,868 km (0.119 R)
• M10: 9,025,240 km (0.116 R)
• M11: 11,149,978 km (0.044 R)
• M12: 12,780,296 km (0.114 R)
• M13: 14,365,136 km (0.092 R)
• M14: 17,997,821 km (0.118 R)
• M15: 18,854,867 km (0.089 R)
• M16: 19,253,246 km (0.083 R)
• M17: 22,556,367 km (0.037 R)
• M18: 24,482,888 km (0.06 R)
• M19: 25,244,940 km (0.111 R)
• M20: 34,819,503 km (0.071 R)
• M21: 37,386,752 km (0.115 R)
• M22: 47,437,634 km (0.092 R)
• M23: 48,920,598 km (0.079 R)
• M24: 50,434,080 km (0.109 R)
• M25: 52,134,858 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.6

Radius: 12.5

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 8.22 AU - 12.14 AU

Year: 12369 Days

Day: 8.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,298,007 km

• M1: 156,479 km (0.106 R)
• M2: 733,927 km (0.098 R)
• M3: 1,176,438 km (0.109 R)
• M4: 2,288,847 km (0.119 R)
• M5: 3,808,313 km (0.054 R)
• M6: 4,307,072 km (0.079 R)
• M7: 7,224,081 km (0.067 R)
• M8: 7,945,592 km (0.109 R)
• M9: 9,585,035 km (0.034 R)
• M10: 10,400,642 km (0.099 R)
• M11: 11,320,968 km (0.091 R)
• M12: 12,046,369 km (0.038 R)
• M13: 12,996,315 km (0.083 R)
• M14: 14,619,302 km (0.058 R)
• M15: 15,189,270 km (0.087 R)
• M16: 16,297,940 km (0.073 R)
• M17: 17,778,660 km (0.086 R)
• M18: 20,916,924 km (0.086 R)
• M19: 22,475,734 km (0.042 R)
• M20: 28,487,773 km (0.092 R)
• M21: 30,979,625 km (0.11 R)
• M22: 36,914,771 km (0.074 R)
• M23: 39,186,414 km (0.088 R)
• M24: 42,406,359 km (0.115 R)
• M25: 43,420,333 km (0.069 R)
• M26: 57,758,691 km (0.115 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.7

Radius: 10.3

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 8.31 AU - 13.03 AU

Year: 13272 Days

Day: 9.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,298,007 km

• M1: 128,505 km (0.055 R)
• M2: 853,306 km (0.037 R)
• M3: 1,227,750 km (0.062 R)
• M4: 2,594,326 km (0.074 R)
• M5: 3,851,696 km (0.029 R)
• M6: 4,959,618 km (0.061 R)
• M7: 5,476,778 km (0.119 R)
• M8: 5,996,182 km (0.08 R)
• M9: 6,727,416 km (0.096 R)
• M10: 9,691,548 km (0.089 R)
• M11: 10,897,606 km (0.097 R)
• M12: 11,985,931 km (0.111 R)
• M13: 13,431,794 km (0.045 R)
• M14: 13,899,288 km (0.113 R)
• M15: 14,681,984 km (0.076 R)
• M16: 16,533,856 km (0.089 R)
• M17: 16,935,526 km (0.118 R)
• M18: 20,541,433 km (0.048 R)
• M19: 21,477,467 km (0.096 R)
• M20: 26,224,956 km (0.078 R)
• M21: 26,955,741 km (0.106 R)
• M22: 27,700,140 km (0.091 R)
• M23: 28,938,810 km (0.069 R)
• M24: 31,731,504 km (0.119 R)
• M25: 32,456,754 km (0.059 R)
• M26: 39,968,063 km (0.096 R)

Planet 10 - Gas Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.1

Radius: 8

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.6 AU - 12.9 AU

Year: 13422 Days

Day: 7.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,298,007 km

• M1: 174,282 km (0.115 R)
• M2: 665,860 km (0.118 R)
• M3: 1,169,107 km (0.101 R)
• M4: 1,806,245 km (0.084 R)
• M5: 2,571,438 km (0.116 R)
• M6: 5,428,159 km (0.104 R)
• M7: 8,371,796 km (0.056 R)
• M8: 9,655,047 km (0.086 R)
• M9: 10,672,312 km (0.1 R)
• M10: 20,044,020 km (0.099 R)
• M11: 21,427,053 km (0.115 R)
• M12: 23,524,864 km (0.107 R)
• M13: 24,478,251 km (0.032 R)
• M14: 28,336,978 km (0.12 R)
• M15: 40,524,418 km (0.081 R)
• M16: 43,292,277 km (0.063 R)
• M17: 45,449,179 km (0.12 R)
• M18: 50,287,923 km (0.112 R)
• M19: 55,292,420 km (0.039 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 17,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit