🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181

Radius: 15

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.72 AU - 0.96 AU

Year: 541 Days

Day: 12.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,319,555 km

• M1: 186,549 km (0.109 R)
• M2: 758,760 km (0.113 R)
• M3: 1,431,352 km (0.114 R)
• M4: 1,978,581 km (0.063 R)
• M5: 3,207,678 km (0.082 R)
• M6: 4,189,339 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.1

Radius: 8.6

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.09 AU - 3.39 AU

Year: 3188 Days

Day: 5.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,319,555 km

• M1: 106,962 km (0.094 R)
• M2: 436,975 km (0.106 R)
• M3: 819,048 km (0.101 R)
• M4: 1,127,370 km (0.048 R)
• M5: 1,429,856 km (0.053 R)
• M6: 2,026,453 km (0.099 R)
• M7: 2,666,582 km (0.107 R)
• M8: 2,964,880 km (0.083 R)
• M9: 3,267,068 km (0.096 R)
• M10: 3,728,727 km (0.074 R)
• M11: 4,711,735 km (0.081 R)
• M12: 5,327,779 km (0.095 R)
• M13: 6,052,131 km (0.117 R)
• M14: 6,719,637 km (0.085 R)
• M15: 7,149,432 km (0.117 R)
• M16: 7,828,457 km (0.086 R)
• M17: 8,981,407 km (0.061 R)
• M18: 11,233,304 km (0.117 R)
• M19: 11,795,343 km (0.072 R)
• M20: 13,116,442 km (0.078 R)
• M21: 14,282,408 km (0.074 R)
• M22: 15,357,867 km (0.089 R)
• M23: 17,155,734 km (0.118 R)
• M24: 17,554,413 km (0.08 R)
• M25: 18,193,345 km (0.093 R)
• M26: 18,727,559 km (0.05 R)
• M27: 19,579,369 km (0.07 R)
• M28: 20,203,492 km (0.104 R)
• M29: 22,021,405 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.4

Radius: 12.7

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.92 AU - 4.08 AU

Year: 5623 Days

Day: 9.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,319,555 km

• M1: 158,424 km (0.095 R)
• M2: 606,470 km (0.119 R)
• M3: 1,024,895 km (0.057 R)
• M4: 1,658,592 km (0.108 R)
• M5: 2,762,325 km (0.077 R)
• M6: 3,280,382 km (0.102 R)
• M7: 4,866,419 km (0.091 R)
• M8: 6,533,238 km (0.091 R)
• M9: 8,310,311 km (0.063 R)
• M10: 9,310,822 km (0.084 R)
• M11: 11,551,200 km (0.087 R)
• M12: 14,015,525 km (0.103 R)
• M13: 19,961,143 km (0.025 R)
• M14: 21,067,868 km (0.062 R)
• M15: 27,852,880 km (0.055 R)
• M16: 29,516,109 km (0.101 R)
• M17: 32,233,404 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.6

Radius: 11.1

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.19 AU - 5.79 AU

Year: 7835 Days

Day: 5.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,319,555 km

• M1: 138,079 km (0.09 R)
• M2: 746,194 km (0.118 R)
• M3: 1,317,508 km (0.064 R)
• M4: 1,792,930 km (0.046 R)
• M5: 2,182,633 km (0.11 R)
• M6: 3,241,187 km (0.119 R)
• M7: 3,731,569 km (0.098 R)
• M8: 4,453,229 km (0.114 R)
• M9: 5,265,695 km (0.11 R)
• M10: 6,273,836 km (0.112 R)
• M11: 8,837,345 km (0.095 R)
• M12: 10,257,477 km (0.063 R)
• M13: 10,635,212 km (0.106 R)
• M14: 11,022,072 km (0.047 R)
• M15: 13,265,741 km (0.084 R)
• M16: 14,173,351 km (0.095 R)
• M17: 14,642,490 km (0.083 R)
• M18: 15,736,050 km (0.114 R)
• M19: 16,494,661 km (0.025 R)
• M20: 19,920,752 km (0.036 R)
• M21: 21,491,679 km (0.086 R)
• M22: 22,033,223 km (0.093 R)
• M23: 22,742,915 km (0.088 R)
• M24: 23,959,445 km (0.096 R)
• M25: 26,257,717 km (0.109 R)
• M26: 27,686,976 km (0.095 R)
• M27: 30,023,096 km (0.1 R)
• M28: 30,993,388 km (0.074 R)
• M29: 31,387,279 km (0.085 R)
• M30: 32,996,354 km (0.105 R)
• M31: 33,821,236 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.6

Radius: 6.1

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.97 AU - 6.23 AU

Year: 9315 Days

Day: 21.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,319,555 km

• M1: 75,996 km (0.049 R)
• M2: 318,643 km (0.025 R)
• M3: 626,067 km (0.12 R)
• M4: 822,339 km (0.026 R)
• M5: 1,479,074 km (0.102 R)
• M6: 1,865,037 km (0.114 R)
• M7: 2,081,954 km (0.095 R)
• M8: 4,811,965 km (0.053 R)
• M9: 5,073,313 km (0.072 R)
• M10: 6,702,433 km (0.11 R)
• M11: 7,029,006 km (0.063 R)
• M12: 7,991,518 km (0.095 R)
• M13: 8,441,808 km (0.115 R)
• M14: 8,694,479 km (0.09 R)
• M15: 9,214,930 km (0.093 R)
• M16: 9,437,830 km (0.119 R)
• M17: 10,901,197 km (0.11 R)
• M18: 12,893,392 km (0.117 R)
• M19: 13,627,319 km (0.038 R)
• M20: 16,644,708 km (0.103 R)
• M21: 17,582,387 km (0.089 R)
• M22: 20,606,209 km (0.102 R)
• M23: 22,561,453 km (0.102 R)
• M24: 22,885,333 km (0.055 R)
• M25: 23,459,639 km (0.047 R)
• M26: 24,808,413 km (0.116 R)
• M27: 26,386,671 km (0.117 R)
• M28: 27,291,738 km (0.12 R)
• M29: 31,019,866 km (0.102 R)
• M30: 33,370,348 km (0.108 R)
• M31: 34,857,800 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.5

Radius: 3.4

Gravity: 35.51 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.5 AU - 7.54 AU

Year: 11703 Days

Day: 23.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,319,555 km

• M1: 105,317 km (0.115 R)
• M2: 282,590 km (0.086 R)
• M3: 848,669 km (0.086 R)
• M4: 1,804,450 km (0.11 R)
• M5: 2,743,027 km (0.09 R)
• M6: 4,938,974 km (0.117 R)
• M7: 6,273,985 km (0.116 R)
• M8: 8,433,131 km (0.099 R)
• M9: 9,157,185 km (0.086 R)
• M10: 9,775,174 km (0.093 R)
• M11: 14,202,223 km (0.116 R)
• M12: 16,568,563 km (0.11 R)
• M13: 24,046,362 km (0.102 R)
• M14: 24,313,394 km (0.104 R)
• M15: 25,309,566 km (0.102 R)
• M16: 25,493,572 km (0.071 R)
• M17: 30,909,762 km (0.073 R)
• M18: 32,618,170 km (0.036 R)
• M19: 32,836,134 km (0.098 R)
• M20: 35,183,026 km (0.119 R)
• M21: 38,119,781 km (0.1 R)
• M22: 39,215,735 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.7

Radius: 7.2

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.86 AU - 7.12 AU

Year: 12990 Days

Day: 21.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,319,555 km

• M1: 98,735 km (0.096 R)
• M2: 2,947,676 km (0.095 R)
• M3: 3,822,375 km (0.117 R)
• M4: 4,467,591 km (0.097 R)
• M5: 5,034,268 km (0.077 R)
• M6: 5,616,054 km (0.12 R)
• M7: 6,803,861 km (0.106 R)
• M8: 8,482,050 km (0.097 R)
• M9: 9,439,476 km (0.115 R)
• M10: 10,227,258 km (0.106 R)
• M11: 11,412,971 km (0.102 R)
• M12: 14,652,363 km (0.094 R)
• M13: 15,142,446 km (0.103 R)
• M14: 17,758,763 km (0.075 R)
• M15: 22,145,721 km (0.107 R)
• M16: 24,119,814 km (0.098 R)
• M17: 26,748,548 km (0.081 R)
• M18: 27,665,733 km (0.071 R)
• M19: 34,144,068 km (0.072 R)
• M20: 37,789,769 km (0.037 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.3

Radius: 3.9

Gravity: 62.28 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.41 AU - 9.93 AU

Year: 17945 Days

Day: 15.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 69,319,555 km

• M1: 52,509 km (0.077 R)
• M2: 209,886 km (0.105 R)
• M3: 442,511 km (0.095 R)
• M4: 597,643 km (0.098 R)
• M5: 810,072 km (0.05 R)
• M6: 1,019,958 km (0.107 R)
• M7: 1,355,357 km (0.099 R)
• M8: 1,815,969 km (0.053 R)
• M9: 2,729,114 km (0.088 R)
• M10: 3,756,253 km (0.094 R)
• M11: 3,944,297 km (0.115 R)
• M12: 4,441,710 km (0.086 R)
• M13: 6,853,976 km (0.09 R)
• M14: 8,231,024 km (0.081 R)
• M15: 9,665,369 km (0.055 R)
• M16: 9,899,938 km (0.082 R)
• M17: 13,160,723 km (0.106 R)
• M18: 15,585,256 km (0.115 R)
• M19: 16,902,166 km (0.068 R)
• M20: 17,328,370 km (0.094 R)
• M21: 20,805,473 km (0.082 R)
• M22: 25,269,324 km (0.101 R)
• M23: 25,826,427 km (0.071 R)
• M24: 26,391,757 km (0.039 R)
• M25: 30,331,118 km (0.103 R)
• M26: 32,899,713 km (0.054 R)
• M27: 43,185,465 km (0.113 R)
• M28: 47,599,499 km (0.116 R)
• M29: 49,307,757 km (0.11 R)
• M30: 49,828,208 km (0.056 R)
• M31: 51,411,103 km (0.077 R)
• M32: 52,125,284 km (0.045 R)
• M33: 52,484,917 km (0.105 R)
• M34: 57,885,998 km (0.108 R)
• M35: 58,853,149 km (0.081 R)
• M36: 62,829,610 km (0.079 R)
• M37: 66,769,569 km (0.106 R)
• M38: 69,124,239 km (0.099 R)
• M39: 70,212,564 km (0.114 R)
• M40: 76,287,733 km (0.107 R)
• M41: 76,519,311 km (0.11 R)
• M42: 76,751,188 km (0.111 R)
• M43: 77,449,959 km (0.048 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.4

Radius: 5.4

Gravity: 22.06 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 7.19 AU - 10.25 AU

Year: 18100 Days

Day: 18.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 69,319,555 km

• M1: 67,618 km (0.055 R)
• M2: 311,762 km (0.107 R)
• M3: 649,853 km (0.079 R)
• M4: 959,670 km (0.116 R)
• M5: 1,181,823 km (0.114 R)
• M6: 1,484,310 km (0.116 R)
• M7: 1,783,506 km (0.074 R)
• M8: 2,004,761 km (0.084 R)
• M9: 2,639,056 km (0.115 R)
• M10: 2,927,331 km (0.119 R)
• M11: 4,425,404 km (0.114 R)
• M12: 6,205,020 km (0.108 R)
• M13: 6,935,656 km (0.112 R)
• M14: 10,319,860 km (0.085 R)
• M15: 10,613,819 km (0.064 R)
• M16: 10,853,026 km (0.094 R)
• M17: 13,517,065 km (0.053 R)
• M18: 14,887,382 km (0.083 R)
• M19: 16,032,853 km (0.103 R)
• M20: 17,153,789 km (0.069 R)
• M21: 21,109,905 km (0.037 R)
• M22: 22,750,096 km (0.044 R)
• M23: 25,101,924 km (0.11 R)
• M24: 30,763,605 km (0.053 R)
• M25: 32,993,661 km (0.057 R)
• M26: 34,801,102 km (0.107 R)
• M27: 39,463,021 km (0.108 R)
• M28: 41,794,055 km (0.079 R)
• M29: 44,061,360 km (0.116 R)
• M30: 47,695,092 km (0.112 R)
• M31: 51,352,910 km (0.107 R)
• M32: 53,775,498 km (0.086 R)
• M33: 56,092,320 km (0.119 R)
• M34: 57,366,894 km (0.027 R)
• M35: 59,596,650 km (0.098 R)
• M36: 60,352,568 km (0.103 R)
• M37: 61,114,919 km (0.11 R)
• M38: 62,076,833 km (0.076 R)
• M39: 63,636,690 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.2

Radius: 4.5

Gravity: 22.48 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.38 AU - 11.08 AU

Year: 21334 Days

Day: 17.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,319,555 km

• M1: 56,847 km (0.092 R)
• M2: 211,681 km (0.058 R)
• M3: 494,571 km (0.058 R)
• M4: 753,973 km (0.077 R)
• M5: 932,144 km (0.112 R)
• M6: 1,125,275 km (0.083 R)
• M7: 2,660,000 km (0.071 R)
• M8: 2,851,036 km (0.098 R)
• M9: 3,260,635 km (0.112 R)
• M10: 5,524,500 km (0.092 R)
• M11: 5,915,997 km (0.114 R)
• M12: 7,339,272 km (0.12 R)
• M13: 8,713,926 km (0.088 R)
• M14: 9,572,020 km (0.101 R)
• M15: 10,367,731 km (0.078 R)
• M16: 11,516,942 km (0.099 R)
• M17: 12,025,275 km (0.075 R)
• M18: 21,452,634 km (0.109 R)
• M19: 24,326,110 km (0.072 R)
• M20: 26,669,860 km (0.096 R)
• M21: 27,445,973 km (0.118 R)
• M22: 33,818,095 km (0.081 R)
• M23: 35,518,873 km (0.12 R)
• M24: 35,785,606 km (0.113 R)
• M25: 37,689,538 km (0.092 R)
• M26: 38,245,743 km (0.118 R)
• M27: 42,292,964 km (0.102 R)
• M28: 52,079,058 km (0.106 R)
• M29: 53,814,992 km (0.117 R)
• M30: 53,990,620 km (0.108 R)
• M31: 57,585,157 km (0.101 R)
• M32: 57,953,168 km (0.089 R)
• M33: 58,508,176 km (0.11 R)
• M34: 60,573,075 km (0.095 R)
• M35: 67,670,447 km (0.068 R)
• M36: 68,904,779 km (0.057 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: 347 - 15,225 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit