🌌 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: 432.4

Radius: 8.6

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.56 AU - 0.6 AU

Year: 295 Days

Day: 10.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 92,166,144 km

• M1: 106,962 km (0.077 R)
• M2: 385,514 km (0.111 R)
• M3: 658,979 km (0.114 R)
• M4: 994,377 km (0.064 R)
• M5: 1,317,060 km (0.1 R)
• M6: 1,768,396 km (0.105 R)
• M7: 2,584,453 km (0.115 R)
• M8: 3,205,134 km (0.108 R)
• M9: 3,876,081 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.8

Radius: 10.1

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.73 AU - 1.15 AU

Year: 608 Days

Day: 9 Hours

Environment

Temp: -182 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 92,166,144 km

• M1: 125,662 km (0.081 R)
• M2: 704,905 km (0.101 R)
• M3: 1,117,496 km (0.076 R)
• M4: 1,507,947 km (0.118 R)
• M5: 1,823,598 km (0.08 R)
• M6: 2,343,002 km (0.103 R)
• M7: 3,050,450 km (0.113 R)
• M8: 3,398,116 km (0.088 R)
• M9: 4,202,952 km (0.116 R)
• M10: 5,606,779 km (0.032 R)
• M11: 5,928,713 km (0.098 R)
• M12: 6,492,996 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.6

Radius: 13.2

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.3 AU - 1.84 AU

Year: 1312 Days

Day: 10.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 92,166,144 km

• M1: 164,258 km (0.038 R)
• M2: 715,975 km (0.054 R)
• M3: 1,184,366 km (0.085 R)
• M4: 1,883,587 km (0.078 R)
• M5: 2,656,559 km (0.069 R)
• M6: 4,185,150 km (0.117 R)
• M7: 5,417,986 km (0.043 R)
• M8: 6,166,275 km (0.115 R)
• M9: 7,112,481 km (0.104 R)
• M10: 7,648,042 km (0.12 R)
• M11: 8,153,084 km (0.108 R)
• M12: 8,921,867 km (0.074 R)
• M13: 9,738,522 km (0.061 R)
• M14: 10,570,137 km (0.118 R)
• M15: 12,035,897 km (0.118 R)
• M16: 12,604,668 km (0.094 R)
• M17: 13,837,205 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.3

Radius: 8

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.75 AU - 2.35 AU

Year: 1957 Days

Day: 14.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 92,166,144 km

• M1: 99,483 km (0.113 R)
• M2: 466,596 km (0.115 R)
• M3: 839,992 km (0.078 R)
• M4: 1,272,779 km (0.075 R)
• M5: 1,626,129 km (0.112 R)
• M6: 1,900,940 km (0.084 R)
• M7: 2,218,836 km (0.082 R)
• M8: 2,639,056 km (0.069 R)
• M9: 3,036,388 km (0.11 R)
• M10: 3,344,260 km (0.11 R)
• M11: 3,672,927 km (0.117 R)
• M12: 3,986,933 km (0.042 R)
• M13: 4,243,643 km (0.078 R)
• M14: 4,589,812 km (0.03 R)
• M15: 4,954,831 km (0.114 R)
• M16: 6,240,176 km (0.037 R)
• M17: 6,612,525 km (0.119 R)
• M18: 7,678,260 km (0.113 R)
• M19: 8,281,589 km (0.117 R)
• M20: 8,579,737 km (0.039 R)
• M21: 9,009,382 km (0.111 R)
• M22: 10,011,538 km (0.078 R)
• M23: 10,281,862 km (0.081 R)
• M24: 11,670,279 km (0.091 R)
• M25: 11,932,076 km (0.096 R)
• M26: 13,627,618 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.5

Radius: 10.6

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.92 AU - 2.48 AU

Year: 2176 Days

Day: 13.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 92,166,144 km

• M1: 131,796 km (0.036 R)
• M2: 486,492 km (0.07 R)
• M3: 824,583 km (0.101 R)
• M4: 1,606,980 km (0.078 R)
• M5: 2,326,247 km (0.078 R)
• M6: 2,782,820 km (0.102 R)
• M7: 3,214,110 km (0.078 R)
• M8: 3,616,529 km (0.113 R)
• M9: 4,871,954 km (0.089 R)
• M10: 5,357,249 km (0.113 R)
• M11: 6,478,934 km (0.12 R)
• M12: 8,030,264 km (0.065 R)
• M13: 9,565,737 km (0.064 R)
• M14: 10,743,670 km (0.119 R)
• M15: 11,407,586 km (0.078 R)
• M16: 14,620,499 km (0.036 R)
• M17: 15,193,010 km (0.081 R)
• M18: 16,079,677 km (0.119 R)
• M19: 16,484,638 km (0.087 R)
• M20: 18,227,753 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.7

Radius: 11.7

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.63 AU - 4.95 AU

Year: 6991 Days

Day: 10.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 92,166,144 km

• M1: 146,456 km (0.041 R)
• M2: 725,550 km (0.118 R)
• M3: 1,304,942 km (0.065 R)
• M4: 1,898,247 km (0.091 R)
• M5: 2,665,684 km (0.072 R)
• M6: 4,392,642 km (0.073 R)
• M7: 5,202,266 km (0.095 R)
• M8: 6,172,707 km (0.075 R)
• M9: 7,963,543 km (0.101 R)
• M10: 8,711,982 km (0.1 R)
• M11: 9,124,423 km (0.08 R)
• M12: 10,167,868 km (0.097 R)
• M13: 16,173,325 km (0.087 R)
• M14: 17,962,067 km (0.073 R)
• M15: 22,849,429 km (0.042 R)
• M16: 23,795,337 km (0.104 R)
• M17: 27,050,287 km (0.109 R)
• M18: 29,562,634 km (0.109 R)
• M19: 32,324,659 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.3

Radius: 5.9

Gravity: 21.87 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.84 AU - 7.28 AU

Year: 9948 Days

Day: 23.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 92,166,144 km

• M1: 74,201 km (0.111 R)
• M2: 291,267 km (0.082 R)
• M3: 690,245 km (0.066 R)
• M4: 1,056,610 km (0.05 R)
• M5: 1,380,788 km (0.111 R)
• M6: 1,848,880 km (0.078 R)
• M7: 2,155,556 km (0.103 R)
• M8: 2,870,783 km (0.082 R)
• M9: 3,141,406 km (0.071 R)
• M10: 4,635,739 km (0.12 R)
• M11: 5,537,216 km (0.11 R)
• M12: 5,957,286 km (0.032 R)
• M13: 6,900,501 km (0.116 R)
• M14: 8,293,108 km (0.05 R)
• M15: 8,611,003 km (0.09 R)
• M16: 8,842,880 km (0.054 R)
• M17: 9,079,095 km (0.069 R)
• M18: 9,964,265 km (0.095 R)
• M19: 12,368,154 km (0.104 R)
• M20: 12,903,564 km (0.08 R)
• M21: 22,278,713 km (0.04 R)
• M22: 23,881,056 km (0.1 R)
• M23: 26,038,557 km (0.112 R)
• M24: 27,513,442 km (0.074 R)
• M25: 27,815,031 km (0.112 R)
• M26: 31,827,695 km (0.066 R)
• M27: 37,549,514 km (0.054 R)
• M28: 39,684,426 km (0.065 R)
• M29: 41,634,284 km (0.047 R)
• M30: 43,375,155 km (0.084 R)
• M31: 44,608,290 km (0.057 R)
• M32: 46,288,723 km (0.041 R)
• M33: 48,156,303 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.1

Radius: 7.6

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.06 AU - 8.88 AU

Year: 13615 Days

Day: 22.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 107 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 92,166,144 km

• M1: 95,294 km (0.096 R)
• M2: 449,841 km (0.103 R)
• M3: 1,270,684 km (0.117 R)
• M4: 3,590,648 km (0.092 R)
• M5: 5,974,041 km (0.061 R)
• M6: 6,272,938 km (0.076 R)
• M7: 7,920,010 km (0.105 R)
• M8: 8,895,837 km (0.064 R)
• M9: 9,949,455 km (0.113 R)
• M10: 14,414,503 km (0.107 R)
• M11: 15,052,687 km (0.075 R)
• M12: 17,243,548 km (0.027 R)
• M13: 17,517,761 km (0.079 R)
• M14: 19,698,150 km (0.082 R)
• M15: 20,179,107 km (0.042 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.3

Radius: 3.9

Gravity: 60.97 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 8.56 AU - 12.58 AU

Year: 22916 Days

Day: 23.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 92,166,144 km

• M1: 52,808 km (0.1 R)
• M2: 270,174 km (0.08 R)
• M3: 411,843 km (0.09 R)
• M4: 690,394 km (0.099 R)
• M5: 1,183,918 km (0.105 R)
• M6: 1,306,139 km (0.07 R)
• M7: 1,861,596 km (0.086 R)
• M8: 2,092,425 km (0.12 R)
• M9: 2,900,404 km (0.109 R)
• M10: 3,897,324 km (0.111 R)
• M11: 8,220,852 km (0.089 R)
• M12: 8,555,203 km (0.086 R)
• M13: 11,019,230 km (0.116 R)
• M14: 11,982,789 km (0.046 R)
• M15: 14,233,789 km (0.081 R)
• M16: 15,374,622 km (0.085 R)
• M17: 16,663,108 km (0.077 R)
• M18: 18,114,956 km (0.083 R)
• M19: 18,967,514 km (0.074 R)
• M20: 19,452,660 km (0.068 R)
• M21: 21,163,760 km (0.092 R)
• M22: 22,109,069 km (0.04 R)
• M23: 23,634,968 km (0.11 R)
• M24: 30,839,302 km (0.094 R)
• M25: 33,861,328 km (0.084 R)
• M26: 39,850,778 km (0.115 R)
• M27: 40,326,500 km (0.108 R)
• M28: 41,776,402 km (0.062 R)
• M29: 43,260,712 km (0.117 R)
• M30: 43,595,213 km (0.114 R)
• M31: 46,333,901 km (0.066 R)
• M32: 49,549,508 km (0.1 R)
• M33: 50,283,734 km (0.077 R)
• M34: 52,530,096 km (0.073 R)
• M35: 56,023,355 km (0.09 R)
• M36: 80,533,770 km (0.113 R)
• M37: 81,548,342 km (0.119 R)
• M38: 85,691,605 km (0.049 R)
• M39: 88,351,156 km (0.088 R)
• M40: 89,701,277 km (0.089 R)
• M41: 90,517,932 km (0.059 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 11,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit