🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.66 AU - 0.86 AU

Year: 298 Days

Day: 21.1 Hours

Environment

Temp: -43 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.8 AU - 0.86 AU

Year: 340 Days

Day: 12.1 Hours

Environment

Temp: -47 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.55 AU - 2.09 AU

Year: 1104 Days

Day: 16.1 Hours

Environment

Temp: -110 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.6

Radius: 8.8

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.82 AU - 2.94 AU

Year: 2197 Days

Day: 11.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 96,115,412 km

• M1: 109,805 km (0.093 R)
• M2: 476,320 km (0.099 R)
• M3: 814,560 km (0.091 R)
• M4: 1,264,252 km (0.06 R)
• M5: 1,717,982 km (0.099 R)
• M6: 2,331,782 km (0.092 R)
• M7: 2,800,622 km (0.07 R)
• M8: 3,591,246 km (0.065 R)
• M9: 4,119,626 km (0.081 R)
• M10: 4,716,821 km (0.079 R)
• M11: 5,121,034 km (0.035 R)
• M12: 5,832,223 km (0.103 R)
• M13: 6,254,837 km (0.058 R)
• M14: 6,607,588 km (0.105 R)
• M15: 7,498,892 km (0.119 R)
• M16: 8,101,921 km (0.065 R)
• M17: 8,601,878 km (0.066 R)
• M18: 8,983,203 km (0.088 R)
• M19: 9,518,913 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.7

Radius: 12.2

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.64 AU - 5.26 AU

Year: 4951 Days

Day: 6 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 96,115,412 km

• M1: 151,692 km (0.059 R)
• M2: 597,344 km (0.099 R)
• M3: 1,008,888 km (0.078 R)
• M4: 1,405,472 km (0.116 R)
• M5: 2,797,929 km (0.057 R)
• M6: 3,285,618 km (0.087 R)
• M7: 4,613,898 km (0.115 R)
• M8: 5,502,060 km (0.067 R)
• M9: 6,768,705 km (0.081 R)
• M10: 7,184,288 km (0.09 R)
• M11: 9,567,681 km (0.114 R)
• M12: 10,226,510 km (0.078 R)
• M13: 13,544,890 km (0.116 R)
• M14: 18,375,256 km (0.045 R)
• M15: 20,521,088 km (0.112 R)
• M16: 21,027,925 km (0.119 R)
• M17: 27,428,919 km (0.088 R)
• M18: 28,758,545 km (0.083 R)
• M19: 31,546,002 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.3

Radius: 11.4

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.98 AU - 8.48 AU

Year: 8740 Days

Day: 14.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 96,115,412 km

• M1: 142,118 km (0.118 R)
• M2: 519,703 km (0.087 R)
• M3: 1,095,056 km (0.078 R)
• M4: 1,468,602 km (0.092 R)
• M5: 2,209,710 km (0.071 R)
• M6: 2,728,665 km (0.119 R)
• M7: 3,432,673 km (0.073 R)
• M8: 4,108,406 km (0.092 R)
• M9: 4,658,926 km (0.059 R)
• M10: 6,710,661 km (0.086 R)
• M11: 7,368,144 km (0.059 R)
• M12: 8,812,063 km (0.1 R)
• M13: 10,301,609 km (0.083 R)
• M14: 11,129,932 km (0.074 R)
• M15: 12,711,481 km (0.092 R)
• M16: 13,718,723 km (0.113 R)
• M17: 14,778,325 km (0.075 R)
• M18: 15,182,239 km (0.092 R)
• M19: 15,712,414 km (0.096 R)
• M20: 17,186,551 km (0.104 R)
• M21: 20,408,291 km (0.074 R)
• M22: 22,236,228 km (0.107 R)
• M23: 22,920,339 km (0.033 R)
• M24: 24,490,817 km (0.117 R)
• M25: 25,138,576 km (0.114 R)
• M26: 25,714,827 km (0.098 R)
• M27: 30,089,966 km (0.096 R)
• M28: 30,553,121 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.4

Radius: 12

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 8.81 AU - 9.07 AU

Year: 12018 Days

Day: 5.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 96,115,412 km

• M1: 159,771 km (0.115 R)
• M2: 560,693 km (0.109 R)
• M3: 1,418,936 km (0.048 R)
• M4: 2,077,615 km (0.101 R)
• M5: 2,666,432 km (0.104 R)
• M6: 3,491,913 km (0.042 R)
• M7: 4,827,224 km (0.119 R)
• M8: 5,363,981 km (0.066 R)
• M9: 6,597,266 km (0.102 R)
• M10: 7,432,022 km (0.1 R)
• M11: 8,011,415 km (0.115 R)
• M12: 9,110,211 km (0.099 R)
• M13: 10,198,984 km (0.058 R)
• M14: 11,085,202 km (0.08 R)
• M15: 11,783,076 km (0.118 R)
• M16: 12,696,222 km (0.075 R)
• M17: 15,648,236 km (0.073 R)
• M18: 21,866,571 km (0.085 R)
• M19: 22,410,958 km (0.076 R)
• M20: 23,244,517 km (0.119 R)
• M21: 24,973,569 km (0.11 R)
• M22: 26,683,922 km (0.095 R)
• M23: 27,305,800 km (0.11 R)
• M24: 28,794,449 km (0.107 R)
• M25: 29,448,640 km (0.118 R)
• M26: 30,001,554 km (0.115 R)
• M27: 32,165,637 km (0.102 R)
• M28: 36,547,957 km (0.118 R)
• M29: 39,547,095 km (0.111 R)
• M30: 51,894,305 km (0.089 R)
• M31: 57,203,234 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.5

Radius: 4.5

Gravity: 29.11 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 11.48 AU - 12.72 AU

Year: 18923 Days

Day: 20.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 96,115,412 km

• M1: 62,682 km (0.062 R)
• M2: 410,646 km (0.103 R)
• M3: 588,817 km (0.051 R)
• M4: 798,105 km (0.043 R)
• M5: 1,019,509 km (0.1 R)
• M6: 1,827,039 km (0.104 R)
• M7: 1,994,738 km (0.115 R)
• M8: 2,276,132 km (0.107 R)
• M9: 2,537,928 km (0.117 R)
• M10: 3,147,838 km (0.103 R)
• M11: 3,501,189 km (0.082 R)
• M12: 4,516,509 km (0.117 R)
• M13: 6,708,118 km (0.099 R)
• M14: 8,205,593 km (0.112 R)
• M15: 8,768,081 km (0.077 R)
• M16: 8,978,864 km (0.112 R)
• M17: 11,338,471 km (0.107 R)
• M18: 13,654,695 km (0.062 R)
• M19: 18,326,637 km (0.077 R)
• M20: 18,758,227 km (0.068 R)
• M21: 21,395,936 km (0.1 R)
• M22: 22,262,258 km (0.118 R)
• M23: 26,178,730 km (0.107 R)
• M24: 30,893,456 km (0.054 R)
• M25: 34,288,879 km (0.069 R)
• M26: 36,143,743 km (0.027 R)
• M27: 37,233,115 km (0.108 R)
• M28: 42,406,957 km (0.077 R)
• M29: 51,034,566 km (0.067 R)
• M30: 58,873,793 km (0.071 R)
• M31: 60,380,244 km (0.106 R)
• M32: 62,299,285 km (0.092 R)
• M33: 69,752,850 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.6

Radius: 6.5

Gravity: 12.39 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 13.22 AU - 14.3 AU

Year: 22948 Days

Day: 20 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 96,115,412 km

• M1: 81,830 km (0.106 R)
• M2: 563,086 km (0.089 R)
• M3: 816,954 km (0.099 R)
• M4: 1,450,651 km (0.109 R)
• M5: 2,438,894 km (0.12 R)
• M6: 3,048,206 km (0.08 R)
• M7: 3,907,796 km (0.063 R)
• M8: 4,129,799 km (0.12 R)
• M9: 4,427,499 km (0.072 R)
• M10: 5,723,914 km (0.094 R)
• M11: 6,350,430 km (0.104 R)
• M12: 8,878,334 km (0.101 R)
• M13: 9,152,099 km (0.073 R)
• M14: 10,066,142 km (0.075 R)
• M15: 11,228,966 km (0.069 R)
• M16: 12,753,368 km (0.109 R)
• M17: 14,788,946 km (0.047 R)
• M18: 16,369,149 km (0.095 R)
• M19: 16,698,264 km (0.07 R)
• M20: 19,035,880 km (0.117 R)
• M21: 20,710,180 km (0.087 R)
• M22: 21,095,245 km (0.077 R)
• M23: 24,348,849 km (0.11 R)
• M24: 26,431,101 km (0.064 R)
• M25: 27,457,642 km (0.047 R)
• M26: 33,253,512 km (0.071 R)
• M27: 36,087,644 km (0.106 R)
• M28: 36,365,746 km (0.082 R)
• M29: 43,006,097 km (0.056 R)
• M30: 45,064,863 km (0.037 R)
• M31: 48,022,712 km (0.079 R)
• M32: 49,892,685 km (0.111 R)
• M33: 53,235,749 km (0.12 R)
• M34: 53,958,157 km (0.077 R)
• M35: 56,537,972 km (0.117 R)
• M36: 63,143,167 km (0.063 R)
• M37: 66,006,021 km (0.059 R)
• M38: 71,331,556 km (0.089 R)
• M39: 71,989,338 km (0.057 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 759.9

Radius: 7.4

Gravity: 13.88 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 12.38 AU - 18.26 AU

Year: 26959 Days

Day: 16.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 96,115,412 km

• M1: 92,152 km (0.115 R)
• M2: 384,766 km (0.077 R)
• M3: 848,818 km (0.106 R)
• M4: 1,156,840 km (0.038 R)
• M5: 3,418,910 km (0.098 R)
• M6: 4,351,802 km (0.117 R)
• M7: 4,723,104 km (0.107 R)
• M8: 5,237,272 km (0.056 R)
• M9: 7,308,305 km (0.106 R)
• M10: 7,996,006 km (0.083 R)
• M11: 9,317,105 km (0.084 R)
• M12: 12,167,094 km (0.076 R)
• M13: 13,828,678 km (0.101 R)
• M14: 16,330,702 km (0.068 R)
• M15: 17,136,586 km (0.075 R)
• M16: 20,523,481 km (0.074 R)
• M17: 21,673,889 km (0.113 R)
• M18: 22,210,646 km (0.03 R)
• M19: 25,500,752 km (0.118 R)
• M20: 29,101,872 km (0.064 R)
• M21: 34,605,279 km (0.114 R)
• M22: 35,634,662 km (0.04 R)
• M23: 37,446,741 km (0.075 R)
• M24: 38,064,131 km (0.111 R)
• M25: 39,478,130 km (0.113 R)
• M26: 42,410,548 km (0.071 R)
• M27: 56,599,906 km (0.099 R)
• M28: 62,024,474 km (0.088 R)
• M29: 65,084,199 km (0.091 R)
• M30: 67,103,322 km (0.065 R)
• M31: 71,266,182 km (0.075 R)
• M32: 81,642,589 km (0.061 R)
• M33: 82,420,049 km (0.071 R)
• M34: 83,726,787 km (0.068 R)
• M35: 90,192,107 km (0.059 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 14,486 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit