🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.5

Radius: 10.3

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.53 AU - 0.63 AU

Year: 300 Days

Day: 5.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 85,044,466 km

• M1: 128,056 km (0.037 R)
• M2: 975,977 km (0.103 R)
• M3: 1,411,306 km (0.096 R)
• M4: 2,437,398 km (0.103 R)
• M5: 2,855,375 km (0.102 R)
• M6: 3,195,111 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.7

Radius: 13.7

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.8 AU - 1.04 AU

Year: 599 Days

Day: 7.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,044,466 km

• M1: 171,140 km (0.104 R)
• M2: 600,935 km (0.096 R)
• M3: 1,053,767 km (0.104 R)
• M4: 1,649,317 km (0.114 R)
• M5: 2,154,957 km (0.107 R)
• M6: 2,895,168 km (0.094 R)
• M7: 3,525,274 km (0.11 R)
• M8: 4,046,473 km (0.109 R)
• M9: 4,949,296 km (0.049 R)
• M10: 5,380,437 km (0.084 R)
• M11: 6,000,670 km (0.072 R)
• M12: 6,472,801 km (0.034 R)
• M13: 6,908,579 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.8

Radius: 13.7

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.44 AU - 1.48 AU

Year: 1197 Days

Day: 9.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,044,466 km

• M1: 170,542 km (0.111 R)
• M2: 665,860 km (0.101 R)
• M3: 1,156,990 km (0.066 R)
• M4: 1,658,592 km (0.083 R)
• M5: 2,204,325 km (0.118 R)
• M6: 2,855,973 km (0.111 R)
• M7: 5,590,921 km (0.076 R)
• M8: 6,496,437 km (0.118 R)
• M9: 7,736,454 km (0.112 R)
• M10: 8,173,878 km (0.087 R)
• M11: 9,219,118 km (0.107 R)
• M12: 10,782,566 km (0.072 R)
• M13: 12,405,403 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.7

Radius: 15

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.2 AU - 1.96 AU

Year: 1347 Days

Day: 14.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,044,466 km

• M1: 186,549 km (0.084 R)
• M2: 679,025 km (0.093 R)
• M3: 1,260,960 km (0.094 R)
• M4: 2,516,685 km (0.119 R)
• M5: 3,073,189 km (0.082 R)
• M6: 3,829,705 km (0.059 R)
• M7: 4,326,670 km (0.109 R)
• M8: 5,008,836 km (0.085 R)
• M9: 5,517,618 km (0.114 R)
• M10: 6,107,632 km (0.116 R)
• M11: 6,866,393 km (0.065 R)
• M12: 8,279,793 km (0.087 R)
• M13: 8,842,281 km (0.116 R)
• M14: 11,605,055 km (0.115 R)
• M15: 12,122,364 km (0.095 R)
• M16: 13,443,014 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.9

Radius: 12.4

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.76 AU - 4.5 AU

Year: 4691 Days

Day: 12.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,044,466 km

• M1: 154,535 km (0.048 R)
• M2: 540,497 km (0.025 R)
• M3: 1,048,831 km (0.105 R)
• M4: 1,463,366 km (0.09 R)
• M5: 1,961,078 km (0.028 R)
• M6: 2,354,521 km (0.115 R)
• M7: 2,801,519 km (0.067 R)
• M8: 3,688,784 km (0.081 R)
• M9: 4,126,208 km (0.112 R)
• M10: 5,622,636 km (0.037 R)
• M11: 6,047,644 km (0.095 R)
• M12: 6,793,090 km (0.093 R)
• M13: 7,418,259 km (0.049 R)
• M14: 7,930,782 km (0.119 R)
• M15: 8,506,135 km (0.066 R)
• M16: 10,401,091 km (0.094 R)
• M17: 11,280,278 km (0.077 R)
• M18: 16,868,805 km (0.097 R)
• M19: 17,436,380 km (0.1 R)
• M20: 19,558,426 km (0.047 R)
• M21: 20,255,552 km (0.112 R)
• M22: 20,681,756 km (0.09 R)
• M23: 28,519,188 km (0.046 R)
• M24: 31,265,357 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19

Radius: 9.5

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.7 AU - 4.46 AU

Year: 5590 Days

Day: 12.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 140.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,044,466 km

• M1: 119,977 km (0.057 R)
• M2: 458,218 km (0.101 R)
• M3: 998,715 km (0.088 R)
• M4: 3,258,391 km (0.096 R)
• M5: 4,950,642 km (0.081 R)
• M6: 7,742,288 km (0.09 R)
• M7: 8,043,878 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.2

Radius: 4.6

Gravity: 24.11 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.63 AU - 7.39 AU

Year: 9993 Days

Day: 17.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 85,044,466 km

• M1: 57,146 km (0.115 R)
• M2: 228,286 km (0.065 R)
• M3: 464,651 km (0.107 R)
• M4: 612,902 km (0.104 R)
• M5: 801,994 km (0.103 R)
• M6: 1,148,164 km (0.075 R)
• M7: 1,505,254 km (0.103 R)
• M8: 1,777,073 km (0.071 R)
• M9: 2,080,757 km (0.109 R)
• M10: 3,134,823 km (0.114 R)
• M11: 3,386,746 km (0.113 R)
• M12: 4,306,474 km (0.058 R)
• M13: 4,474,622 km (0.11 R)
• M14: 5,005,246 km (0.054 R)
• M15: 5,159,930 km (0.086 R)
• M16: 5,511,335 km (0.105 R)
• M17: 6,551,040 km (0.107 R)
• M18: 6,773,642 km (0.119 R)
• M19: 7,512,057 km (0.078 R)
• M20: 8,216,962 km (0.115 R)
• M21: 9,614,206 km (0.115 R)
• M22: 9,757,372 km (0.095 R)
• M23: 11,749,716 km (0.098 R)
• M24: 13,755,075 km (0.103 R)
• M25: 15,190,467 km (0.108 R)
• M26: 16,381,116 km (0.037 R)
• M27: 18,354,911 km (0.097 R)
• M28: 25,126,907 km (0.114 R)
• M29: 25,489,682 km (0.043 R)
• M30: 27,071,081 km (0.08 R)
• M31: 29,413,185 km (0.11 R)
• M32: 31,151,662 km (0.102 R)
• M33: 31,675,704 km (0.111 R)
• M34: 34,384,323 km (0.114 R)
• M35: 38,550,324 km (0.079 R)
• M36: 38,791,177 km (0.101 R)
• M37: 39,764,460 km (0.089 R)
• M38: 41,254,904 km (0.11 R)
• M39: 41,886,805 km (0.036 R)
• M40: 42,782,149 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869

Radius: 6.5

Gravity: 20.57 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.91 AU - 8.07 AU

Year: 13903 Days

Day: 15.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 85,044,466 km

• M1: 80,932 km (0.087 R)
• M2: 502,948 km (0.09 R)
• M3: 835,953 km (0.038 R)
• M4: 2,004,013 km (0.116 R)
• M5: 2,379,803 km (0.104 R)
• M6: 3,969,430 km (0.051 R)
• M7: 4,401,169 km (0.095 R)
• M8: 4,661,619 km (0.094 R)
• M9: 4,932,391 km (0.033 R)
• M10: 5,769,691 km (0.118 R)
• M11: 8,102,071 km (0.111 R)
• M12: 8,644,363 km (0.082 R)
• M13: 9,801,054 km (0.092 R)
• M14: 10,246,257 km (0.077 R)
• M15: 10,588,836 km (0.089 R)
• M16: 11,236,894 km (0.108 R)
• M17: 11,724,434 km (0.111 R)
• M18: 12,099,326 km (0.047 R)
• M19: 15,615,923 km (0.079 R)
• M20: 19,065,650 km (0.092 R)
• M21: 20,290,109 km (0.1 R)
• M22: 23,777,235 km (0.081 R)
• M23: 25,714,079 km (0.106 R)
• M24: 27,643,891 km (0.058 R)
• M25: 32,152,173 km (0.082 R)
• M26: 34,516,268 km (0.114 R)
• M27: 37,261,090 km (0.11 R)
• M28: 37,799,941 km (0.078 R)
• M29: 39,726,762 km (0.043 R)
• M30: 40,007,258 km (0.095 R)
• M31: 40,856,824 km (0.04 R)
• M32: 43,033,024 km (0.078 R)
• M33: 44,074,525 km (0.091 R)
• M34: 45,285,220 km (0.053 R)
• M35: 46,673,788 km (0.094 R)
• M36: 54,734,121 km (0.09 R)
• M37: 57,554,340 km (0.109 R)
• M38: 57,913,524 km (0.078 R)
• M39: 59,182,563 km (0.065 R)
• M40: 59,548,480 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.1

Radius: 7.3

Gravity: 14.62 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 9.56 AU - 10.88 AU

Year: 22160 Days

Day: 22.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 85,044,466 km

• M1: 93,798 km (0.084 R)
• M2: 486,492 km (0.119 R)
• M3: 770,429 km (0.079 R)
• M4: 1,097,749 km (0.11 R)
• M5: 1,566,738 km (0.049 R)
• M6: 1,819,260 km (0.036 R)
• M7: 2,141,344 km (0.112 R)
• M8: 2,746,019 km (0.11 R)
• M9: 3,116,124 km (0.11 R)
• M10: 3,796,046 km (0.088 R)
• M11: 6,566,449 km (0.064 R)
• M12: 7,131,929 km (0.057 R)
• M13: 7,627,547 km (0.093 R)
• M14: 8,967,345 km (0.081 R)
• M15: 9,782,654 km (0.112 R)
• M16: 10,837,917 km (0.072 R)
• M17: 13,099,837 km (0.101 R)
• M18: 15,170,421 km (0.031 R)
• M19: 16,073,394 km (0.103 R)
• M20: 18,166,866 km (0.114 R)
• M21: 21,031,217 km (0.064 R)
• M22: 25,413,537 km (0.082 R)
• M23: 25,756,265 km (0.084 R)
• M24: 35,360,299 km (0.108 R)
• M25: 39,177,887 km (0.087 R)
• M26: 39,482,468 km (0.082 R)
• M27: 40,560,919 km (0.078 R)
• M28: 41,500,843 km (0.096 R)
• M29: 42,937,880 km (0.098 R)
• M30: 43,424,223 km (0.094 R)
• M31: 44,242,822 km (0.117 R)
• M32: 46,760,405 km (0.069 R)
• M33: 50,984,600 km (0.115 R)
• M34: 52,079,058 km (0.117 R)
• M35: 56,033,079 km (0.113 R)
• M36: 57,590,543 km (0.114 R)
• M37: 60,385,181 km (0.039 R)
• M38: 63,478,416 km (0.101 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 19,968 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit