🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.2

Radius: 9.8

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.9 AU - 0.92 AU

Year: 561 Days

Day: 12.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,765,195 km

• M1: 121,922 km (0.067 R)
• M2: 734,526 km (0.08 R)
• M3: 1,111,811 km (0.067 R)
• M4: 1,508,994 km (0.093 R)
• M5: 2,492,151 km (0.103 R)
• M6: 2,811,542 km (0.062 R)
• M7: 3,146,492 km (0.045 R)
• M8: 3,897,324 km (0.119 R)
• M9: 4,420,767 km (0.096 R)
• M10: 4,859,687 km (0.11 R)
• M11: 5,190,897 km (0.072 R)
• M12: 5,807,090 km (0.09 R)
• M13: 6,142,489 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.8

Radius: 14.9

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.47 AU - 1.93 AU

Year: 1431 Days

Day: 14.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,765,195 km

• M1: 187,147 km (0.093 R)
• M2: 713,283 km (0.116 R)
• M3: 1,395,000 km (0.113 R)
• M4: 2,120,999 km (0.037 R)
• M5: 3,444,641 km (0.111 R)
• M6: 4,261,146 km (0.119 R)
• M7: 5,082,588 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.9

Radius: 9.1

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.94 AU - 3.18 AU

Year: 3456 Days

Day: 6.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,765,195 km

• M1: 113,096 km (0.085 R)
• M2: 511,924 km (0.118 R)
• M3: 811,419 km (0.076 R)
• M4: 1,170,304 km (0.105 R)
• M5: 1,772,136 km (0.07 R)
• M6: 2,097,213 km (0.063 R)
• M7: 5,039,653 km (0.053 R)
• M8: 5,464,511 km (0.087 R)
• M9: 6,735,195 km (0.059 R)
• M10: 7,631,436 km (0.063 R)
• M11: 8,158,918 km (0.068 R)
• M12: 8,535,456 km (0.108 R)
• M13: 9,067,576 km (0.088 R)
• M14: 10,316,269 km (0.113 R)
• M15: 11,547,460 km (0.066 R)
• M16: 14,055,019 km (0.051 R)
• M17: 14,596,863 km (0.112 R)
• M18: 15,827,455 km (0.038 R)
• M19: 16,522,187 km (0.071 R)
• M20: 17,237,115 km (0.073 R)
• M21: 17,630,558 km (0.11 R)
• M22: 19,566,504 km (0.102 R)
• M23: 20,933,380 km (0.071 R)
• M24: 21,381,276 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852

Radius: 8.7

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.85 AU - 5.15 AU

Year: 6164 Days

Day: 10 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 89,765,195 km

• M1: 371,601 km (0.095 R)
• M2: 662,419 km (0.086 R)
• M3: 969,993 km (0.085 R)
• M4: 1,282,802 km (0.079 R)
• M5: 1,676,992 km (0.119 R)
• M6: 2,118,755 km (0.078 R)
• M7: 2,768,907 km (0.032 R)
• M8: 3,755,355 km (0.059 R)
• M9: 4,328,914 km (0.114 R)
• M10: 5,252,381 km (0.066 R)
• M11: 5,840,600 km (0.092 R)
• M12: 6,335,470 km (0.117 R)
• M13: 6,680,742 km (0.065 R)
• M14: 6,966,025 km (0.113 R)
• M15: 7,599,123 km (0.072 R)
• M16: 8,108,803 km (0.118 R)
• M17: 8,641,222 km (0.106 R)
• M18: 9,284,044 km (0.078 R)
• M19: 9,775,473 km (0.105 R)
• M20: 10,617,110 km (0.106 R)
• M21: 13,488,193 km (0.07 R)
• M22: 15,254,196 km (0.116 R)
• M23: 16,385,006 km (0.092 R)
• M24: 17,103,076 km (0.12 R)
• M25: 21,393,543 km (0.039 R)
• M26: 22,251,038 km (0.085 R)
• M27: 22,648,370 km (0.099 R)
• M28: 25,563,135 km (0.08 R)
• M29: 25,911,548 km (0.096 R)
• M30: 30,051,071 km (0.074 R)
• M31: 33,249,623 km (0.083 R)
• M32: 34,083,332 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.5

Radius: 11.6

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.6 AU - 5.72 AU

Year: 6495 Days

Day: 9.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 89,765,195 km

• M1: 152,291 km (0.118 R)
• M2: 537,804 km (0.095 R)
• M3: 947,852 km (0.109 R)
• M4: 1,309,729 km (0.055 R)
• M5: 1,766,601 km (0.08 R)
• M6: 2,445,776 km (0.103 R)
• M7: 3,726,782 km (0.057 R)
• M8: 5,650,012 km (0.072 R)
• M9: 6,211,603 km (0.107 R)
• M10: 6,983,079 km (0.03 R)
• M11: 7,704,889 km (0.061 R)
• M12: 9,425,264 km (0.113 R)
• M13: 10,081,700 km (0.095 R)
• M14: 10,956,698 km (0.113 R)
• M15: 13,230,585 km (0.065 R)
• M16: 13,720,668 km (0.106 R)
• M17: 14,166,320 km (0.094 R)
• M18: 15,501,930 km (0.066 R)
• M19: 20,368,797 km (0.099 R)
• M20: 21,169,894 km (0.102 R)
• M21: 21,916,387 km (0.046 R)
• M22: 28,532,951 km (0.117 R)
• M23: 29,536,005 km (0.108 R)
• M24: 30,468,000 km (0.075 R)
• M25: 32,685,938 km (0.055 R)
• M26: 33,281,786 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.1

Radius: 9.4

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.62 AU - 5.8 AU

Year: 8810 Days

Day: 9.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 89,765,195 km

• M1: 116,986 km (0.112 R)
• M2: 539,151 km (0.068 R)
• M3: 941,569 km (0.12 R)
• M4: 1,393,803 km (0.113 R)
• M5: 1,701,377 km (0.08 R)
• M6: 2,195,050 km (0.086 R)
• M7: 2,760,829 km (0.108 R)
• M8: 3,136,020 km (0.062 R)
• M9: 4,353,896 km (0.099 R)
• M10: 5,150,206 km (0.118 R)
• M11: 5,861,843 km (0.113 R)
• M12: 6,560,764 km (0.059 R)
• M13: 8,898,680 km (0.09 R)
• M14: 9,474,332 km (0.063 R)
• M15: 10,228,605 km (0.101 R)
• M16: 11,856,678 km (0.111 R)
• M17: 14,287,045 km (0.052 R)
• M18: 14,678,094 km (0.109 R)
• M19: 17,843,884 km (0.078 R)
• M20: 18,527,547 km (0.079 R)
• M21: 21,693,486 km (0.09 R)
• M22: 22,037,262 km (0.102 R)
• M23: 23,720,538 km (0.118 R)
• M24: 24,826,664 km (0.097 R)
• M25: 27,742,327 km (0.062 R)
• M26: 28,556,887 km (0.07 R)
• M27: 30,233,430 km (0.097 R)
• M28: 35,063,048 km (0.084 R)
• M29: 36,497,393 km (0.108 R)
• M30: 39,100,994 km (0.082 R)
• M31: 44,122,546 km (0.054 R)
• M32: 46,930,498 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 243.5

Radius: 4.6

Gravity: 11.51 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 5.15 AU - 6.97 AU

Year: 9632 Days

Day: 17.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,765,195 km

• M1: 57,146 km (0.097 R)
• M2: 216,767 km (0.104 R)
• M3: 1,223,860 km (0.119 R)
• M4: 2,369,181 km (0.04 R)
• M5: 2,950,818 km (0.048 R)
• M6: 4,140,271 km (0.028 R)
• M7: 5,148,112 km (0.111 R)
• M8: 5,291,875 km (0.11 R)
• M9: 6,951,065 km (0.029 R)
• M10: 7,561,125 km (0.096 R)
• M11: 9,220,315 km (0.109 R)
• M12: 16,049,458 km (0.086 R)
• M13: 18,892,117 km (0.106 R)
• M14: 19,373,373 km (0.043 R)
• M15: 26,735,084 km (0.046 R)
• M16: 29,581,633 km (0.086 R)
• M17: 30,510,935 km (0.092 R)
• M18: 31,363,792 km (0.095 R)
• M19: 32,820,426 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171.1

Radius: 5.1

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 6.04 AU - 6.38 AU

Year: 9992 Days

Day: 20.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,765,195 km

• M1: 63,429 km (0.075 R)
• M2: 392,844 km (0.114 R)
• M3: 1,278,314 km (0.06 R)
• M4: 1,551,629 km (0.07 R)
• M5: 1,781,561 km (0.103 R)
• M6: 3,519,440 km (0.091 R)
• M7: 4,010,420 km (0.079 R)
• M8: 5,379,091 km (0.073 R)
• M9: 7,736,005 km (0.078 R)
• M10: 9,488,544 km (0.064 R)
• M11: 12,263,734 km (0.099 R)
• M12: 12,969,387 km (0.106 R)
• M13: 13,489,689 km (0.055 R)
• M14: 15,077,371 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.9

Radius: 7.4

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.29 AU - 6.81 AU

Year: 10824 Days

Day: 17.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,765,195 km

• M1: 94,546 km (0.108 R)
• M2: 772,673 km (0.088 R)
• M3: 1,435,840 km (0.054 R)
• M4: 1,894,507 km (0.076 R)
• M5: 2,299,918 km (0.057 R)
• M6: 3,063,764 km (0.12 R)
• M7: 3,601,718 km (0.085 R)
• M8: 6,238,830 km (0.062 R)
• M9: 7,205,980 km (0.056 R)
• M10: 8,079,183 km (0.103 R)
• M11: 10,388,076 km (0.095 R)
• M12: 13,420,275 km (0.116 R)
• M13: 14,568,439 km (0.081 R)
• M14: 21,890,357 km (0.038 R)
• M15: 22,788,094 km (0.11 R)
• M16: 23,092,675 km (0.11 R)
• M17: 30,595,009 km (0.111 R)
• M18: 31,339,707 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813

Radius: 4.3

Gravity: 43.97 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 10.07 AU - 11.91 AU

Year: 23524 Days

Day: 21.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 89,765,195 km

• M1: 53,556 km (0.109 R)
• M2: 400,623 km (0.107 R)
• M3: 559,496 km (0.085 R)
• M4: 718,668 km (0.093 R)
• M5: 1,048,382 km (0.073 R)
• M6: 1,819,260 km (0.055 R)
• M7: 2,086,741 km (0.117 R)
• M8: 2,993,154 km (0.062 R)
• M9: 6,057,218 km (0.064 R)
• M10: 6,795,483 km (0.088 R)
• M11: 7,037,981 km (0.088 R)
• M12: 9,190,396 km (0.12 R)
• M13: 9,668,062 km (0.115 R)
• M14: 12,887,258 km (0.1 R)
• M15: 20,117,323 km (0.097 R)
• M16: 22,699,981 km (0.102 R)
• M17: 23,792,045 km (0.11 R)
• M18: 25,148,150 km (0.068 R)
• M19: 29,524,636 km (0.114 R)
• M20: 34,099,339 km (0.075 R)
• M21: 39,279,464 km (0.113 R)
• M22: 39,590,478 km (0.078 R)
• M23: 40,217,144 km (0.1 R)
• M24: 41,169,633 km (0.105 R)
• M25: 42,954,635 km (0.079 R)
• M26: 48,261,619 km (0.109 R)
• M27: 53,226,025 km (0.049 R)
• M28: 56,916,305 km (0.072 R)
• M29: 58,722,400 km (0.04 R)
• M30: 62,027,017 km (0.115 R)
• M31: 62,237,501 km (0.074 R)
• M32: 71,749,233 km (0.095 R)
• M33: 74,329,048 km (0.028 R)
• M34: 76,002,600 km (0.097 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: 509 - 14,772 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit