🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.7

Radius: 13.7

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.23 AU - 2.03 AU

Year: 1323 Days

Day: 15 Hours

Environment

Temp: -188 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 95,105,483 km

• M1: 171,888 km (0.064 R)
• M2: 602,580 km (0.071 R)
• M3: 1,047,185 km (0.088 R)
• M4: 1,723,667 km (0.086 R)
• M5: 2,153,312 km (0.025 R)
• M6: 2,889,034 km (0.09 R)
• M7: 3,398,415 km (0.095 R)
• M8: 7,515,947 km (0.062 R)
• M9: 8,182,405 km (0.109 R)
• M10: 9,330,868 km (0.101 R)
• M11: 10,715,396 km (0.106 R)
• M12: 11,149,529 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.4

Radius: 12.6

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.57 AU - 2.41 AU

Year: 1785 Days

Day: 9.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 95,105,483 km

• M1: 156,928 km (0.061 R)
• M2: 862,581 km (0.115 R)
• M3: 1,319,603 km (0.095 R)
• M4: 2,138,801 km (0.112 R)
• M5: 4,616,291 km (0.094 R)
• M6: 5,467,204 km (0.085 R)
• M7: 6,250,049 km (0.104 R)
• M8: 7,318,477 km (0.091 R)
• M9: 8,445,997 km (0.112 R)
• M10: 8,989,635 km (0.109 R)
• M11: 10,762,370 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.1

Radius: 9.1

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.36 AU - 5.94 AU

Year: 7431 Days

Day: 14.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 95,105,483 km

• M1: 114,293 km (0.044 R)
• M2: 447,148 km (0.03 R)
• M3: 3,179,852 km (0.1 R)
• M4: 6,205,918 km (0.079 R)
• M5: 7,371,136 km (0.119 R)
• M6: 9,285,689 km (0.052 R)
• M7: 10,378,801 km (0.115 R)
• M8: 13,111,655 km (0.103 R)
• M9: 17,100,682 km (0.06 R)
• M10: 18,675,349 km (0.114 R)
• M11: 23,319,017 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.3

Radius: 7.2

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.21 AU - 7.99 AU

Year: 12029 Days

Day: 22.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 95,105,483 km

• M1: 89,609 km (0.096 R)
• M2: 441,912 km (0.1 R)
• M3: 820,694 km (0.112 R)
• M4: 1,359,545 km (0.116 R)
• M5: 3,574,641 km (0.102 R)
• M6: 5,609,023 km (0.057 R)
• M7: 5,847,631 km (0.094 R)
• M8: 6,345,343 km (0.087 R)
• M9: 6,670,569 km (0.106 R)
• M10: 7,006,865 km (0.117 R)
• M11: 8,273,660 km (0.112 R)
• M12: 12,072,249 km (0.105 R)
• M13: 12,572,055 km (0.082 R)
• M14: 13,400,528 km (0.053 R)
• M15: 15,925,292 km (0.073 R)
• M16: 19,489,162 km (0.085 R)
• M17: 20,246,576 km (0.111 R)
• M18: 21,095,245 km (0.119 R)
• M19: 25,860,984 km (0.112 R)
• M20: 27,028,446 km (0.087 R)
• M21: 29,828,170 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.5

Radius: 6.7

Gravity: 21.55 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.1 AU - 8.22 AU

Year: 12182 Days

Day: 17.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 95,105,483 km

• M1: 83,326 km (0.108 R)
• M2: 434,731 km (0.052 R)
• M3: 709,244 km (0.053 R)
• M4: 1,737,280 km (0.075 R)
• M5: 2,053,231 km (0.108 R)
• M6: 2,345,395 km (0.105 R)
• M7: 2,823,959 km (0.082 R)
• M8: 3,186,285 km (0.093 R)
• M9: 3,887,450 km (0.077 R)
• M10: 4,367,360 km (0.094 R)
• M11: 7,378,915 km (0.081 R)
• M12: 9,569,477 km (0.12 R)
• M13: 12,221,996 km (0.108 R)
• M14: 13,851,416 km (0.066 R)
• M15: 14,125,031 km (0.054 R)
• M16: 15,991,713 km (0.107 R)
• M17: 16,444,845 km (0.076 R)
• M18: 19,945,884 km (0.116 R)
• M19: 22,008,390 km (0.04 R)
• M20: 24,208,825 km (0.083 R)
• M21: 26,134,000 km (0.105 R)
• M22: 31,447,567 km (0.103 R)
• M23: 33,245,135 km (0.089 R)
• M24: 33,982,952 km (0.028 R)
• M25: 34,857,501 km (0.073 R)
• M26: 36,391,328 km (0.112 R)
• M27: 38,371,405 km (0.086 R)
• M28: 39,046,989 km (0.118 R)
• M29: 41,262,533 km (0.087 R)
• M30: 44,740,684 km (0.108 R)
• M31: 46,245,788 km (0.097 R)
• M32: 49,835,239 km (0.101 R)
• M33: 51,779,713 km (0.115 R)
• M34: 56,686,672 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.3

Radius: 5.6

Gravity: 15.38 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.86 AU - 8.9 AU

Year: 15424 Days

Day: 20.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 95,105,483 km

• M1: 69,862 km (0.107 R)
• M2: 246,537 km (0.049 R)
• M3: 465,848 km (0.076 R)
• M4: 734,675 km (0.117 R)
• M5: 1,164,021 km (0.101 R)
• M6: 1,358,349 km (0.113 R)
• M7: 1,635,703 km (0.106 R)
• M8: 1,950,158 km (0.094 R)
• M9: 2,486,466 km (0.04 R)
• M10: 3,140,508 km (0.088 R)
• M11: 3,339,623 km (0.114 R)
• M12: 4,847,121 km (0.095 R)
• M13: 6,923,838 km (0.072 R)
• M14: 7,134,023 km (0.088 R)
• M15: 7,926,443 km (0.04 R)
• M16: 9,375,149 km (0.049 R)
• M17: 11,335,928 km (0.116 R)
• M18: 14,084,191 km (0.116 R)
• M19: 15,755,947 km (0.108 R)
• M20: 18,828,687 km (0.09 R)
• M21: 20,851,998 km (0.078 R)
• M22: 21,557,502 km (0.054 R)
• M23: 24,636,077 km (0.11 R)
• M24: 26,127,567 km (0.073 R)
• M25: 26,637,846 km (0.119 R)
• M26: 27,154,706 km (0.115 R)
• M27: 29,179,962 km (0.096 R)
• M28: 29,729,136 km (0.115 R)
• M29: 30,735,182 km (0.117 R)
• M30: 34,130,754 km (0.071 R)
• M31: 34,863,335 km (0.118 R)
• M32: 40,967,526 km (0.046 R)
• M33: 42,352,204 km (0.079 R)
• M34: 44,487,265 km (0.105 R)
• M35: 49,125,098 km (0.108 R)
• M36: 49,746,079 km (0.035 R)
• M37: 54,239,999 km (0.097 R)
• M38: 55,908,464 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.7

Radius: 3.8

Gravity: 52.26 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.86 AU - 10.64 AU

Year: 16457 Days

Day: 24 Hours

Environment

Temp: -223 °C

Axial Tilt: 167.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 95,105,483 km

• M1: 47,722 km (0.111 R)
• M2: 169,494 km (0.083 R)
• M3: 429,645 km (0.088 R)
• M4: 742,155 km (0.105 R)
• M5: 897,288 km (0.062 R)
• M6: 1,245,402 km (0.092 R)
• M7: 1,764,208 km (0.093 R)
• M8: 1,890,618 km (0.081 R)
• M9: 2,458,491 km (0.09 R)
• M10: 3,003,925 km (0.064 R)
• M11: 4,137,877 km (0.051 R)
• M12: 4,940,470 km (0.117 R)
• M13: 5,416,041 km (0.116 R)
• M14: 5,961,625 km (0.047 R)
• M15: 6,457,691 km (0.085 R)
• M16: 6,672,364 km (0.086 R)
• M17: 7,673,623 km (0.093 R)
• M18: 7,817,536 km (0.085 R)
• M19: 10,785,707 km (0.096 R)
• M20: 11,027,009 km (0.092 R)
• M21: 11,395,618 km (0.098 R)
• M22: 12,028,417 km (0.077 R)
• M23: 12,551,112 km (0.12 R)
• M24: 15,017,083 km (0.086 R)
• M25: 15,318,074 km (0.097 R)
• M26: 15,854,233 km (0.076 R)
• M27: 17,455,080 km (0.093 R)
• M28: 20,510,317 km (0.026 R)
• M29: 22,898,647 km (0.077 R)
• M30: 24,313,843 km (0.048 R)
• M31: 25,359,681 km (0.062 R)
• M32: 29,725,247 km (0.072 R)
• M33: 37,378,075 km (0.118 R)
• M34: 37,653,485 km (0.079 R)
• M35: 38,208,643 km (0.098 R)
• M36: 40,050,192 km (0.048 R)
• M37: 43,756,480 km (0.09 R)
• M38: 45,928,641 km (0.104 R)
• M39: 48,825,603 km (0.086 R)
• M40: 56,414,853 km (0.09 R)
• M41: 58,613,044 km (0.074 R)
• M42: 58,798,845 km (0.118 R)
• M43: 62,596,237 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 487.1

Radius: 5.8

Gravity: 14.48 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 9.96 AU - 10.32 AU

Year: 20530 Days

Day: 15.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 95,105,483 km

• M1: 72,106 km (0.091 R)
• M2: 282,590 km (0.115 R)
• M3: 530,923 km (0.074 R)
• M4: 739,313 km (0.087 R)
• M5: 1,271,582 km (0.118 R)
• M6: 1,954,795 km (0.065 R)
• M7: 2,398,503 km (0.108 R)
• M8: 2,761,726 km (0.054 R)
• M9: 3,160,704 km (0.111 R)
• M10: 3,512,708 km (0.059 R)
• M11: 4,104,666 km (0.056 R)
• M12: 4,935,383 km (0.04 R)
• M13: 5,676,790 km (0.107 R)
• M14: 6,661,294 km (0.079 R)
• M15: 8,194,223 km (0.057 R)
• M16: 8,650,048 km (0.113 R)
• M17: 9,779,362 km (0.111 R)
• M18: 10,061,953 km (0.057 R)
• M19: 11,003,522 km (0.068 R)
• M20: 16,130,690 km (0.102 R)
• M21: 20,650,490 km (0.094 R)
• M22: 26,055,461 km (0.1 R)
• M23: 29,548,123 km (0.103 R)
• M24: 30,979,774 km (0.102 R)
• M25: 35,419,091 km (0.103 R)
• M26: 36,355,125 km (0.038 R)
• M27: 39,120,142 km (0.11 R)
• M28: 40,553,888 km (0.108 R)
• M29: 45,376,625 km (0.053 R)
• M30: 48,577,271 km (0.114 R)
• M31: 49,565,963 km (0.113 R)
• M32: 50,065,471 km (0.034 R)
• M33: 50,736,417 km (0.094 R)
• M34: 62,111,091 km (0.078 R)
• M35: 66,856,036 km (0.089 R)
• M36: 67,058,742 km (0.116 R)
• M37: 68,078,849 km (0.037 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.7

Radius: 4.5

Gravity: 31.1 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 9.21 AU - 12.39 AU

Year: 22567 Days

Day: 23.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 95,105,483 km

• M1: 59,390 km (0.118 R)
• M2: 266,583 km (0.078 R)
• M3: 641,027 km (0.042 R)
• M4: 1,263,504 km (0.109 R)
• M5: 1,530,386 km (0.107 R)
• M6: 2,197,892 km (0.088 R)
• M7: 2,857,768 km (0.112 R)
• M8: 3,233,259 km (0.111 R)
• M9: 3,701,799 km (0.057 R)
• M10: 6,426,725 km (0.094 R)
• M11: 6,789,051 km (0.077 R)
• M12: 7,455,509 km (0.101 R)
• M13: 10,132,264 km (0.099 R)
• M14: 10,560,562 km (0.076 R)
• M15: 10,810,690 km (0.053 R)
• M16: 12,955,924 km (0.07 R)
• M17: 13,387,513 km (0.09 R)
• M18: 14,203,420 km (0.105 R)
• M19: 15,852,438 km (0.115 R)
• M20: 17,105,469 km (0.1 R)
• M21: 18,333,369 km (0.038 R)
• M22: 26,493,783 km (0.082 R)
• M23: 33,725,344 km (0.114 R)
• M24: 41,082,118 km (0.112 R)
• M25: 49,963,295 km (0.111 R)
• M26: 58,470,178 km (0.063 R)
• M27: 60,838,013 km (0.05 R)
• M28: 71,615,792 km (0.069 R)
• M29: 76,633,155 km (0.063 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 879.4

Radius: 5.4

Gravity: 30.16 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 11.01 AU - 11.91 AU

Year: 24667 Days

Day: 23.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 95,105,483 km

• M1: 67,169 km (0.066 R)
• M2: 239,805 km (0.037 R)
• M3: 761,004 km (0.045 R)
• M4: 1,397,394 km (0.111 R)
• M5: 1,680,433 km (0.11 R)
• M6: 2,981,486 km (0.113 R)
• M7: 5,490,691 km (0.114 R)
• M8: 6,195,297 km (0.115 R)
• M9: 8,669,945 km (0.088 R)
• M10: 9,019,405 km (0.115 R)
• M11: 9,746,600 km (0.047 R)
• M12: 11,316,929 km (0.102 R)
• M13: 15,621,758 km (0.117 R)
• M14: 16,139,366 km (0.088 R)
• M15: 19,586,101 km (0.104 R)
• M16: 25,097,885 km (0.076 R)
• M17: 30,480,716 km (0.112 R)
• M18: 31,288,095 km (0.094 R)
• M19: 31,560,364 km (0.086 R)
• M20: 35,985,319 km (0.11 R)
• M21: 36,735,702 km (0.107 R)
• M22: 46,216,617 km (0.103 R)
• M23: 47,460,672 km (0.088 R)
• M24: 59,468,594 km (0.084 R)
• M25: 61,151,720 km (0.105 R)
• M26: 62,866,261 km (0.105 R)
• M27: 65,497,688 km (0.087 R)
• M28: 66,166,989 km (0.053 R)
• M29: 77,751,549 km (0.11 R)
• M30: 89,242,909 km (0.088 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 13,857 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit