🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.7

Radius: 12

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.4 AU - 0.64 AU

Year: 250 Days

Day: 11.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,479,999 km

• M1: 149,897 km (0.096 R)
• M2: 606,619 km (0.083 R)
• M3: 1,007,392 km (0.08 R)
• M4: 1,669,811 km (0.081 R)
• M5: 2,553,486 km (0.034 R)
• M6: 3,178,356 km (0.119 R)
• M7: 3,589,451 km (0.082 R)
• M8: 3,975,115 km (0.098 R)
• M9: 4,401,768 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.9

Radius: 8.8

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.33 AU - 1.47 AU

Year: 1105 Days

Day: 13.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,479,999 km

• M1: 109,506 km (0.077 R)
• M2: 420,669 km (0.073 R)
• M3: 777,161 km (0.092 R)
• M4: 1,120,189 km (0.092 R)
• M5: 1,490,593 km (0.094 R)
• M6: 1,837,211 km (0.102 R)
• M7: 2,111,724 km (0.04 R)
• M8: 2,551,840 km (0.086 R)
• M9: 3,498,645 km (0.116 R)
• M10: 3,987,980 km (0.115 R)
• M11: 4,367,360 km (0.07 R)
• M12: 5,836,561 km (0.075 R)
• M13: 7,220,042 km (0.066 R)
• M14: 8,810,118 km (0.075 R)
• M15: 9,369,464 km (0.114 R)
• M16: 9,657,889 km (0.112 R)
• M17: 10,011,837 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.4

Radius: 11.7

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.41 AU - 2.03 AU

Year: 1504 Days

Day: 12.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,479,999 km

• M1: 145,708 km (0.099 R)
• M2: 638,633 km (0.098 R)
• M3: 1,336,507 km (0.118 R)
• M4: 1,825,393 km (0.06 R)
• M5: 2,281,368 km (0.067 R)
• M6: 3,063,465 km (0.115 R)
• M7: 3,678,911 km (0.119 R)
• M8: 4,755,118 km (0.064 R)
• M9: 5,157,387 km (0.116 R)
• M10: 5,605,283 km (0.092 R)
• M11: 6,152,362 km (0.099 R)
• M12: 6,682,836 km (0.119 R)
• M13: 8,040,138 km (0.108 R)
• M14: 10,217,385 km (0.115 R)
• M15: 12,167,692 km (0.055 R)
• M16: 13,459,171 km (0.092 R)
• M17: 14,181,280 km (0.09 R)
• M18: 15,154,115 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187

Radius: 8.9

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.61 AU - 1.91 AU

Year: 1557 Days

Day: 9.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,479,999 km

• M1: 110,702 km (0.111 R)
• M2: 415,882 km (0.088 R)
• M3: 718,818 km (0.07 R)
• M4: 1,093,710 km (0.031 R)
• M5: 1,441,525 km (0.101 R)
• M6: 1,836,015 km (0.116 R)
• M7: 2,760,230 km (0.058 R)
• M8: 3,107,597 km (0.116 R)
• M9: 3,400,808 km (0.036 R)
• M10: 3,830,753 km (0.116 R)
• M11: 4,137,129 km (0.068 R)
• M12: 4,713,081 km (0.05 R)
• M13: 5,304,142 km (0.12 R)
• M14: 6,919,949 km (0.059 R)
• M15: 7,237,395 km (0.091 R)
• M16: 7,852,691 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.4

Radius: 12.8

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.29 AU - 5.25 AU

Year: 6947 Days

Day: 11.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 162.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,479,999 km

• M1: 159,322 km (0.091 R)
• M2: 597,195 km (0.116 R)
• M3: 1,056,909 km (0.093 R)
• M4: 1,488,499 km (0.104 R)
• M5: 2,518,181 km (0.118 R)
• M6: 3,329,301 km (0.108 R)
• M7: 4,240,052 km (0.082 R)
• M8: 4,705,900 km (0.094 R)
• M9: 5,416,041 km (0.116 R)
• M10: 5,881,141 km (0.08 R)
• M11: 8,917,529 km (0.094 R)
• M12: 9,529,235 km (0.069 R)
• M13: 10,374,463 km (0.032 R)
• M14: 11,984,734 km (0.115 R)
• M15: 13,260,804 km (0.099 R)
• M16: 14,211,798 km (0.078 R)
• M17: 16,702,303 km (0.12 R)
• M18: 17,397,036 km (0.091 R)
• M19: 18,414,301 km (0.072 R)
• M20: 22,462,569 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.5

Radius: 10

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.63 AU - 5.13 AU

Year: 7189 Days

Day: 6.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 89,479,999 km

• M1: 124,914 km (0.063 R)
• M2: 545,733 km (0.118 R)
• M3: 1,285,046 km (0.051 R)
• M4: 1,740,571 km (0.049 R)
• M5: 2,319,515 km (0.102 R)
• M6: 2,753,648 km (0.101 R)
• M7: 3,065,560 km (0.106 R)
• M8: 3,938,164 km (0.087 R)
• M9: 4,391,146 km (0.076 R)
• M10: 4,938,226 km (0.096 R)
• M11: 5,306,835 km (0.083 R)
• M12: 5,726,906 km (0.111 R)
• M13: 6,452,156 km (0.113 R)
• M14: 7,198,949 km (0.083 R)
• M15: 8,127,503 km (0.112 R)
• M16: 8,819,393 km (0.097 R)
• M17: 9,317,404 km (0.1 R)
• M18: 13,941,774 km (0.053 R)
• M19: 17,544,539 km (0.119 R)
• M20: 20,290,258 km (0.101 R)
• M21: 20,682,055 km (0.093 R)
• M22: 24,000,884 km (0.103 R)
• M23: 24,972,373 km (0.105 R)
• M24: 26,805,395 km (0.118 R)
• M25: 27,658,851 km (0.111 R)
• M26: 30,430,152 km (0.114 R)
• M27: 31,672,562 km (0.03 R)
• M28: 35,376,306 km (0.052 R)
• M29: 39,237,876 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.4

Radius: 3.1

Gravity: 80.58 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.15 AU - 6.47 AU

Year: 10570 Days

Day: 24.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 89,479,999 km

• M1: 38,746 km (0.047 R)
• M2: 139,724 km (0.055 R)
• M3: 306,676 km (0.101 R)
• M4: 440,416 km (0.114 R)
• M5: 668,553 km (0.089 R)
• M6: 772,374 km (0.029 R)
• M7: 886,966 km (0.1 R)
• M8: 1,288,337 km (0.063 R)
• M9: 1,395,000 km (0.108 R)
• M10: 1,611,019 km (0.112 R)
• M11: 3,039,380 km (0.099 R)
• M12: 3,659,463 km (0.059 R)
• M13: 4,183,804 km (0.098 R)
• M14: 4,359,282 km (0.091 R)
• M15: 5,144,072 km (0.104 R)
• M16: 5,311,622 km (0.033 R)
• M17: 5,728,701 km (0.042 R)
• M18: 7,360,514 km (0.075 R)
• M19: 7,703,094 km (0.103 R)
• M20: 9,033,916 km (0.056 R)
• M21: 11,732,662 km (0.096 R)
• M22: 12,199,706 km (0.053 R)
• M23: 13,232,829 km (0.092 R)
• M24: 16,607,159 km (0.094 R)
• M25: 17,494,573 km (0.1 R)
• M26: 19,443,983 km (0.093 R)
• M27: 23,400,249 km (0.074 R)
• M28: 24,514,005 km (0.101 R)
• M29: 27,860,659 km (0.069 R)
• M30: 28,481,191 km (0.08 R)
• M31: 29,110,848 km (0.11 R)
• M32: 33,547,921 km (0.079 R)
• M33: 36,538,083 km (0.108 R)
• M34: 37,531,263 km (0.101 R)
• M35: 40,883,004 km (0.118 R)
• M36: 41,953,077 km (0.058 R)
• M37: 50,733,575 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.3

Radius: 4.3

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.24 AU - 7.38 AU

Year: 10570 Days

Day: 17.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,479,999 km

• M1: 54,304 km (0.117 R)
• M2: 243,994 km (0.069 R)
• M3: 589,416 km (0.094 R)
• M4: 1,528,741 km (0.092 R)
• M5: 3,417,414 km (0.057 R)
• M6: 3,586,011 km (0.105 R)
• M7: 3,916,921 km (0.095 R)
• M8: 4,488,385 km (0.065 R)
• M9: 8,126,007 km (0.051 R)
• M10: 9,130,706 km (0.079 R)
• M11: 10,302,357 km (0.073 R)
• M12: 11,665,193 km (0.052 R)
• M13: 18,449,606 km (0.047 R)
• M14: 19,833,686 km (0.111 R)
• M15: 21,144,163 km (0.051 R)
• M16: 21,856,698 km (0.094 R)
• M17: 24,866,906 km (0.085 R)
• M18: 26,144,621 km (0.081 R)
• M19: 26,389,064 km (0.046 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.9

Radius: 5.2

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.25 AU - 11.65 AU

Year: 19372 Days

Day: 18.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 89,479,999 km

• M1: 70,161 km (0.063 R)
• M2: 271,969 km (0.044 R)
• M3: 442,660 km (0.108 R)
• M4: 752,028 km (0.071 R)
• M5: 1,041,949 km (0.043 R)
• M6: 1,242,859 km (0.084 R)
• M7: 1,753,437 km (0.092 R)
• M8: 1,924,876 km (0.11 R)
• M9: 3,458,254 km (0.114 R)
• M10: 4,628,259 km (0.097 R)
• M11: 5,431,899 km (0.049 R)
• M12: 6,324,699 km (0.097 R)
• M13: 7,232,010 km (0.093 R)
• M14: 7,675,717 km (0.069 R)
• M15: 8,137,227 km (0.061 R)
• M16: 9,115,746 km (0.063 R)
• M17: 9,537,612 km (0.063 R)
• M18: 10,269,744 km (0.117 R)
• M19: 11,518,138 km (0.047 R)
• M20: 18,697,041 km (0.083 R)
• M21: 19,531,348 km (0.109 R)
• M22: 19,996,598 km (0.106 R)
• M23: 20,390,040 km (0.097 R)
• M24: 26,452,494 km (0.081 R)
• M25: 26,736,131 km (0.063 R)
• M26: 32,628,792 km (0.059 R)
• M27: 34,394,645 km (0.053 R)
• M28: 36,690,224 km (0.093 R)
• M29: 39,454,045 km (0.102 R)
• M30: 44,585,701 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.4

Radius: 8

Gravity: 12.57 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 9.39 AU - 12.13 AU

Year: 23537 Days

Day: 20.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 89,479,999 km

• M1: 104,719 km (0.025 R)
• M2: 360,830 km (0.03 R)
• M3: 1,012,778 km (0.036 R)
• M4: 1,319,752 km (0.105 R)
• M5: 1,978,731 km (0.063 R)
• M6: 3,866,357 km (0.075 R)
• M7: 6,125,434 km (0.075 R)
• M8: 7,713,266 km (0.115 R)
• M9: 9,558,107 km (0.073 R)
• M10: 10,940,242 km (0.076 R)
• M11: 12,308,015 km (0.107 R)
• M12: 13,181,517 km (0.1 R)
• M13: 14,728,210 km (0.062 R)
• M14: 21,093,599 km (0.069 R)
• M15: 22,342,592 km (0.089 R)
• M16: 25,447,196 km (0.109 R)
• M17: 39,490,397 km (0.092 R)
• M18: 47,074,112 km (0.113 R)
• M19: 49,200,944 km (0.091 R)
• M20: 51,391,057 km (0.075 R)
• M21: 53,454,910 km (0.118 R)
• M22: 56,554,727 km (0.118 R)
• M23: 58,148,692 km (0.065 R)
• M24: 61,009,752 km (0.118 R)
• M25: 67,010,870 km (0.084 R)
• M26: 70,153,921 km (0.075 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 11,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit