🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.8

Radius: 8.5

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.5 AU - 0.52 AU

Year: 247 Days

Day: 14.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,168,207 km

• M1: 105,766 km (0.111 R)
• M2: 396,883 km (0.09 R)
• M3: 725,400 km (0.06 R)
• M4: 1,003,054 km (0.078 R)
• M5: 1,290,431 km (0.055 R)
• M6: 1,869,973 km (0.078 R)
• M7: 2,148,973 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.1

Radius: 12.7

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.4 AU - 0.64 AU

Year: 254 Days

Day: 8.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 146.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 74,168,207 km

• M1: 157,975 km (0.089 R)
• M2: 598,840 km (0.082 R)
• M3: 1,068,428 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.3

Radius: 10.3

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.13 AU - 1.25 AU

Year: 880 Days

Day: 6.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,168,207 km

• M1: 128,205 km (0.095 R)
• M2: 493,523 km (0.1 R)
• M3: 935,435 km (0.093 R)
• M4: 1,406,370 km (0.118 R)
• M5: 2,132,368 km (0.096 R)
• M6: 3,239,691 km (0.112 R)
• M7: 4,022,836 km (0.04 R)
• M8: 4,711,735 km (0.091 R)
• M9: 5,818,160 km (0.116 R)
• M10: 6,476,541 km (0.105 R)
• M11: 6,881,203 km (0.055 R)
• M12: 7,519,836 km (0.097 R)
• M13: 9,645,772 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.3

Radius: 10.2

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.28 AU - 1.42 AU

Year: 1064 Days

Day: 9.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,168,207 km

• M1: 127,158 km (0.108 R)
• M2: 584,479 km (0.039 R)
• M3: 1,016,218 km (0.047 R)
• M4: 1,434,045 km (0.047 R)
• M5: 1,907,074 km (0.08 R)
• M6: 2,345,096 km (0.112 R)
• M7: 3,239,392 km (0.059 R)
• M8: 3,757,151 km (0.108 R)
• M9: 4,538,650 km (0.104 R)
• M10: 4,958,870 km (0.103 R)
• M11: 5,465,109 km (0.092 R)
• M12: 5,814,420 km (0.077 R)
• M13: 7,740,343 km (0.082 R)
• M14: 8,395,433 km (0.053 R)
• M15: 9,172,743 km (0.092 R)
• M16: 9,608,522 km (0.104 R)
• M17: 10,396,603 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.6

Radius: 9.8

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.41 AU - 1.55 AU

Year: 1221 Days

Day: 14.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,168,207 km

• M1: 121,922 km (0.104 R)
• M2: 438,771 km (0.077 R)
• M3: 1,436,588 km (0.073 R)
• M4: 2,201,931 km (0.106 R)
• M5: 3,070,795 km (0.117 R)
• M6: 3,873,986 km (0.12 R)
• M7: 4,464,449 km (0.117 R)
• M8: 5,175,937 km (0.116 R)
• M9: 5,602,889 km (0.096 R)
• M10: 6,949,868 km (0.045 R)
• M11: 7,311,446 km (0.117 R)
• M12: 8,706,596 km (0.042 R)
• M13: 9,036,011 km (0.095 R)
• M14: 9,498,567 km (0.094 R)
• M15: 10,775,535 km (0.096 R)
• M16: 12,689,789 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.1

Radius: 10.5

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.92 AU - 5.58 AU

Year: 8159 Days

Day: 6.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,168,207 km

• M1: 130,599 km (0.099 R)
• M2: 487,091 km (0.038 R)
• M3: 839,992 km (0.09 R)
• M4: 1,185,264 km (0.104 R)
• M5: 1,781,112 km (0.109 R)
• M6: 2,118,755 km (0.077 R)
• M7: 3,485,032 km (0.118 R)
• M8: 5,169,354 km (0.112 R)
• M9: 5,510,288 km (0.062 R)
• M10: 6,428,819 km (0.068 R)
• M11: 6,756,887 km (0.035 R)
• M12: 7,626,200 km (0.09 R)
• M13: 8,412,636 km (0.054 R)
• M14: 9,088,071 km (0.095 R)
• M15: 9,544,195 km (0.05 R)
• M16: 10,059,110 km (0.115 R)
• M17: 12,008,670 km (0.095 R)
• M18: 12,609,156 km (0.103 R)
• M19: 16,519,046 km (0.108 R)
• M20: 19,693,363 km (0.04 R)
• M21: 20,247,623 km (0.085 R)
• M22: 20,883,564 km (0.101 R)
• M23: 22,046,986 km (0.11 R)
• M24: 23,100,006 km (0.112 R)
• M25: 25,225,043 km (0.084 R)
• M26: 30,224,754 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.2

Radius: 6.5

Gravity: 12.6 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.49 AU - 6.31 AU

Year: 9720 Days

Day: 20.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,168,207 km

• M1: 80,932 km (0.034 R)
• M2: 300,393 km (0.074 R)
• M3: 612,753 km (0.076 R)
• M4: 968,646 km (0.116 R)
• M5: 1,293,274 km (0.075 R)
• M6: 1,899,743 km (0.098 R)
• M7: 2,179,491 km (0.056 R)
• M8: 2,543,762 km (0.118 R)
• M9: 3,143,201 km (0.112 R)
• M10: 4,309,167 km (0.111 R)
• M11: 5,004,498 km (0.051 R)
• M12: 5,573,269 km (0.115 R)
• M13: 5,873,362 km (0.053 R)
• M14: 6,839,016 km (0.031 R)
• M15: 9,034,963 km (0.06 R)
• M16: 9,310,074 km (0.049 R)
• M17: 10,070,929 km (0.109 R)
• M18: 10,821,012 km (0.111 R)
• M19: 11,661,752 km (0.117 R)
• M20: 12,772,666 km (0.054 R)
• M21: 14,506,655 km (0.108 R)
• M22: 16,527,423 km (0.092 R)
• M23: 18,070,525 km (0.066 R)
• M24: 21,602,830 km (0.115 R)
• M25: 22,510,889 km (0.079 R)
• M26: 27,436,100 km (0.059 R)
• M27: 31,438,292 km (0.078 R)
• M28: 34,238,465 km (0.088 R)
• M29: 40,205,475 km (0.06 R)
• M30: 41,451,476 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384

Radius: 5.9

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.94 AU - 8.14 AU

Year: 11344 Days

Day: 23.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,168,207 km

• M1: 73,453 km (0.104 R)
• M2: 262,694 km (0.053 R)
• M3: 465,100 km (0.076 R)
• M4: 768,335 km (0.103 R)
• M5: 1,066,782 km (0.082 R)
• M6: 1,291,030 km (0.11 R)
• M7: 2,678,251 km (0.12 R)
• M8: 3,140,658 km (0.113 R)
• M9: 3,630,292 km (0.112 R)
• M10: 4,036,450 km (0.114 R)
• M11: 5,153,198 km (0.073 R)
• M12: 9,623,930 km (0.071 R)
• M13: 9,862,240 km (0.112 R)
• M14: 11,009,805 km (0.082 R)
• M15: 12,693,828 km (0.089 R)
• M16: 14,730,304 km (0.109 R)
• M17: 15,433,115 km (0.029 R)
• M18: 15,628,639 km (0.054 R)
• M19: 16,158,216 km (0.109 R)
• M20: 17,252,973 km (0.104 R)
• M21: 18,250,641 km (0.069 R)
• M22: 21,636,490 km (0.112 R)
• M23: 23,219,834 km (0.1 R)
• M24: 24,434,718 km (0.095 R)
• M25: 26,708,605 km (0.119 R)
• M26: 27,560,715 km (0.113 R)
• M27: 32,306,408 km (0.115 R)
• M28: 38,518,460 km (0.067 R)
• M29: 39,240,868 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.8

Radius: 6.5

Gravity: 11.33 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 8.96 AU - 11.8 AU

Year: 22682 Days

Day: 16.1 Hours

Environment

Temp: -244 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,168,207 km

• M1: 136,134 km (0.108 R)
• M2: 769,980 km (0.044 R)
• M3: 1,708,408 km (0.109 R)
• M4: 2,622,301 km (0.07 R)
• M5: 3,706,886 km (0.11 R)
• M6: 9,472,088 km (0.105 R)
• M7: 10,159,042 km (0.083 R)
• M8: 12,152,733 km (0.108 R)
• M9: 12,894,439 km (0.114 R)
• M10: 14,172,453 km (0.111 R)
• M11: 14,917,900 km (0.104 R)
• M12: 18,336,061 km (0.098 R)
• M13: 27,919,600 km (0.085 R)
• M14: 30,657,989 km (0.094 R)
• M15: 32,028,755 km (0.092 R)
• M16: 33,439,911 km (0.059 R)
• M17: 38,777,114 km (0.083 R)
• M18: 44,655,114 km (0.103 R)
• M19: 53,379,213 km (0.115 R)
• M20: 59,466,650 km (0.101 R)
• M21: 62,183,197 km (0.082 R)
• M22: 63,173,086 km (0.086 R)
• M23: 63,572,064 km (0.059 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489

Radius: 5

Gravity: 19.56 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.55 AU - 12.27 AU

Year: 22781 Days

Day: 16.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,168,207 km

• M1: 64,028 km (0.117 R)
• M2: 224,995 km (0.078 R)
• M3: 494,421 km (0.116 R)
• M4: 663,915 km (0.082 R)
• M5: 1,011,730 km (0.099 R)
• M6: 1,671,607 km (0.096 R)
• M7: 2,467,766 km (0.062 R)
• M8: 3,815,942 km (0.068 R)
• M9: 5,244,752 km (0.106 R)
• M10: 6,860,259 km (0.111 R)
• M11: 7,561,275 km (0.105 R)
• M12: 9,892,458 km (0.067 R)
• M13: 10,302,805 km (0.116 R)
• M14: 11,926,840 km (0.093 R)
• M15: 13,642,129 km (0.104 R)
• M16: 15,204,679 km (0.073 R)
• M17: 15,515,394 km (0.105 R)
• M18: 16,800,290 km (0.104 R)
• M19: 16,965,745 km (0.108 R)
• M20: 19,579,818 km (0.093 R)
• M21: 21,757,066 km (0.106 R)
• M22: 29,607,363 km (0.061 R)
• M23: 42,282,043 km (0.052 R)
• M24: 43,360,644 km (0.045 R)
• M25: 43,985,065 km (0.097 R)
• M26: 45,092,389 km (0.088 R)
• M27: 61,810,100 km (0.082 R)
• M28: 66,449,429 km (0.087 R)
• M29: 71,749,532 km (0.069 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 13,529 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit