🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.9

Radius: 9.9

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.67 AU - 1.11 AU

Year: 560 Days

Day: 14.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,719,084 km

• M1: 123,119 km (0.09 R)
• M2: 689,945 km (0.109 R)
• M3: 1,438,384 km (0.062 R)
• M4: 1,779,018 km (0.057 R)
• M5: 2,250,102 km (0.094 R)
• M6: 2,882,452 km (0.039 R)
• M7: 4,562,286 km (0.078 R)
• M8: 4,950,792 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.1

Radius: 12.1

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.9 AU - 0.92 AU

Year: 579 Days

Day: 11 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,719,084 km

• M1: 150,645 km (0.104 R)
• M2: 577,897 km (0.032 R)
• M3: 1,016,966 km (0.076 R)
• M4: 1,490,444 km (0.102 R)
• M5: 1,958,236 km (0.062 R)
• M6: 2,340,459 km (0.096 R)
• M7: 3,039,081 km (0.109 R)
• M8: 3,569,854 km (0.119 R)
• M9: 4,162,112 km (0.117 R)
• M10: 6,622,548 km (0.091 R)
• M11: 7,631,436 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.1

Radius: 13.5

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.9 AU - 3.04 AU

Year: 3413 Days

Day: 5.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,719,084 km

• M1: 174,282 km (0.098 R)
• M2: 703,708 km (0.115 R)
• M3: 1,214,286 km (0.053 R)
• M4: 1,786,647 km (0.11 R)
• M5: 2,383,393 km (0.1 R)
• M6: 3,165,940 km (0.097 R)
• M7: 3,792,456 km (0.041 R)
• M8: 4,225,242 km (0.103 R)
• M9: 5,139,884 km (0.082 R)
• M10: 5,783,005 km (0.115 R)
• M11: 6,359,555 km (0.085 R)
• M12: 6,942,538 km (0.103 R)
• M13: 9,021,500 km (0.096 R)
• M14: 9,679,431 km (0.11 R)
• M15: 10,578,215 km (0.099 R)
• M16: 11,004,868 km (0.117 R)
• M17: 11,711,269 km (0.093 R)
• M18: 12,636,831 km (0.101 R)
• M19: 15,217,993 km (0.12 R)
• M20: 15,817,731 km (0.096 R)
• M21: 18,254,082 km (0.06 R)
• M22: 18,806,996 km (0.105 R)
• M23: 19,244,868 km (0.105 R)
• M24: 20,665,450 km (0.065 R)
• M25: 22,925,724 km (0.072 R)
• M26: 24,744,535 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.3

Radius: 9.9

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.7 AU - 6.02 AU

Year: 7145 Days

Day: 5.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,719,084 km

• M1: 123,418 km (0.103 R)
• M2: 594,053 km (0.073 R)
• M3: 906,563 km (0.084 R)
• M4: 1,624,034 km (0.064 R)
• M5: 2,134,911 km (0.109 R)
• M6: 2,602,105 km (0.037 R)
• M7: 3,599,474 km (0.1 R)
• M8: 4,686,901 km (0.113 R)
• M9: 5,923,178 km (0.08 R)
• M10: 6,849,937 km (0.109 R)
• M11: 9,725,806 km (0.05 R)
• M12: 10,047,741 km (0.117 R)
• M13: 12,316,542 km (0.117 R)
• M14: 15,662,598 km (0.056 R)
• M15: 18,878,354 km (0.114 R)
• M16: 19,380,255 km (0.104 R)
• M17: 20,084,711 km (0.04 R)
• M18: 23,647,983 km (0.097 R)
• M19: 24,898,770 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.2

Radius: 5.1

Gravity: 15.35 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.42 AU - 8.88 AU

Year: 15516 Days

Day: 24.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,719,084 km

• M1: 63,429 km (0.077 R)
• M2: 247,884 km (0.102 R)
• M3: 419,622 km (0.099 R)
• M4: 626,366 km (0.072 R)
• M5: 1,005,447 km (0.118 R)
• M6: 1,317,209 km (0.114 R)
• M7: 2,245,165 km (0.069 R)
• M8: 2,756,191 km (0.103 R)
• M9: 3,949,683 km (0.101 R)
• M10: 4,914,888 km (0.114 R)
• M11: 5,314,315 km (0.116 R)
• M12: 5,990,647 km (0.085 R)
• M13: 6,965,875 km (0.107 R)
• M14: 7,469,721 km (0.116 R)
• M15: 10,252,540 km (0.095 R)
• M16: 11,524,721 km (0.1 R)
• M17: 12,960,860 km (0.114 R)
• M18: 13,464,856 km (0.096 R)
• M19: 16,110,943 km (0.1 R)
• M20: 16,400,564 km (0.098 R)
• M21: 17,517,462 km (0.096 R)
• M22: 21,869,862 km (0.094 R)
• M23: 23,221,180 km (0.041 R)
• M24: 25,399,774 km (0.075 R)
• M25: 31,154,056 km (0.041 R)
• M26: 36,338,968 km (0.064 R)
• M27: 37,466,039 km (0.056 R)
• M28: 43,173,497 km (0.047 R)
• M29: 52,541,615 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.9

Radius: 7.4

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 9.03 AU - 10.65 AU

Year: 20584 Days

Day: 21.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,719,084 km

• M1: 93,648 km (0.093 R)
• M2: 328,068 km (0.114 R)
• M3: 679,773 km (0.094 R)
• M4: 1,142,479 km (0.118 R)
• M5: 1,925,474 km (0.098 R)
• M6: 2,974,454 km (0.046 R)
• M7: 3,254,801 km (0.101 R)
• M8: 4,049,315 km (0.095 R)
• M9: 4,759,456 km (0.088 R)
• M10: 8,495,513 km (0.096 R)
• M11: 11,585,009 km (0.112 R)
• M12: 12,346,611 km (0.118 R)
• M13: 12,607,809 km (0.069 R)
• M14: 14,759,027 km (0.107 R)
• M15: 15,653,622 km (0.075 R)
• M16: 19,773,398 km (0.039 R)
• M17: 27,004,510 km (0.101 R)
• M18: 27,890,429 km (0.112 R)
• M19: 28,227,622 km (0.103 R)
• M20: 28,681,353 km (0.108 R)
• M21: 34,383,874 km (0.102 R)
• M22: 34,642,080 km (0.102 R)
• M23: 35,293,130 km (0.044 R)
• M24: 42,703,909 km (0.116 R)
• M25: 43,002,207 km (0.117 R)
• M26: 46,691,440 km (0.1 R)
• M27: 49,264,823 km (0.094 R)
• M28: 52,612,674 km (0.118 R)
• M29: 60,505,457 km (0.115 R)
• M30: 64,340,099 km (0.118 R)
• M31: 65,323,406 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.6

Radius: 4.8

Gravity: 26.81 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 8.46 AU - 11.34 AU

Year: 20772 Days

Day: 21.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,719,084 km

• M1: 63,579 km (0.099 R)
• M2: 261,946 km (0.111 R)
• M3: 463,454 km (0.062 R)
• M4: 618,288 km (0.111 R)
• M5: 850,913 km (0.092 R)
• M6: 1,338,303 km (0.105 R)
• M7: 1,713,195 km (0.083 R)
• M8: 2,053,081 km (0.054 R)
• M9: 2,369,481 km (0.114 R)
• M10: 2,693,510 km (0.069 R)
• M11: 3,783,181 km (0.071 R)
• M12: 5,213,336 km (0.105 R)
• M13: 6,476,391 km (0.115 R)
• M14: 7,780,884 km (0.118 R)
• M15: 9,085,527 km (0.11 R)
• M16: 11,789,659 km (0.108 R)
• M17: 13,359,239 km (0.078 R)
• M18: 13,863,384 km (0.066 R)
• M19: 14,231,096 km (0.097 R)
• M20: 14,986,116 km (0.115 R)
• M21: 17,581,340 km (0.043 R)
• M22: 20,555,944 km (0.114 R)
• M23: 23,849,491 km (0.107 R)
• M24: 25,675,931 km (0.093 R)
• M25: 25,896,738 km (0.102 R)
• M26: 28,292,548 km (0.078 R)
• M27: 32,866,054 km (0.107 R)
• M28: 33,126,354 km (0.103 R)
• M29: 37,198,707 km (0.059 R)
• M30: 42,203,354 km (0.096 R)
• M31: 44,706,276 km (0.067 R)
• M32: 46,156,777 km (0.106 R)
• M33: 49,321,371 km (0.072 R)
• M34: 50,350,006 km (0.07 R)
• M35: 57,198,895 km (0.07 R)
• M36: 62,027,915 km (0.056 R)
• M37: 65,051,886 km (0.114 R)
• M38: 73,815,778 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.9

Radius: 3.5

Gravity: 39.67 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 9.91 AU - 10.21 AU

Year: 21278 Days

Day: 20.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,719,084 km

• M1: 44,131 km (0.094 R)
• M2: 448,943 km (0.078 R)
• M3: 796,010 km (0.065 R)
• M4: 972,536 km (0.107 R)
• M5: 1,121,535 km (0.118 R)
• M6: 1,314,666 km (0.089 R)
• M7: 1,545,645 km (0.106 R)
• M8: 1,895,106 km (0.093 R)
• M9: 2,048,743 km (0.106 R)
• M10: 2,169,468 km (0.075 R)
• M11: 4,108,257 km (0.054 R)
• M12: 4,914,589 km (0.101 R)
• M13: 5,168,307 km (0.104 R)
• M14: 5,584,638 km (0.058 R)
• M15: 5,741,566 km (0.072 R)
• M16: 7,103,804 km (0.092 R)
• M17: 8,878,035 km (0.092 R)
• M18: 9,418,682 km (0.085 R)
• M19: 12,322,825 km (0.044 R)
• M20: 18,744,912 km (0.103 R)
• M21: 21,300,194 km (0.097 R)
• M22: 21,683,164 km (0.061 R)
• M23: 27,312,233 km (0.099 R)
• M24: 29,149,893 km (0.112 R)
• M25: 33,197,263 km (0.046 R)
• M26: 33,582,777 km (0.102 R)
• M27: 35,421,335 km (0.07 R)
• M28: 36,501,432 km (0.056 R)
• M29: 54,541,140 km (0.085 R)
• M30: 57,075,477 km (0.12 R)
• M31: 59,876,847 km (0.099 R)
• M32: 60,639,048 km (0.073 R)
• M33: 68,828,036 km (0.098 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 13,746 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit