🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.8

Radius: 9.3

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.51 AU - 0.71 AU

Year: 318 Days

Day: 14.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 76,999,152 km

• M1: 116,537 km (0.081 R)
• M2: 423,960 km (0.091 R)
• M3: 899,831 km (0.068 R)
• M4: 1,234,930 km (0.099 R)
• M5: 1,616,704 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.5

Radius: 10.7

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.04 AU - 1.22 AU

Year: 801 Days

Day: 7.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 76,999,152 km

• M1: 133,142 km (0.068 R)
• M2: 607,667 km (0.105 R)
• M3: 968,646 km (0.074 R)
• M4: 1,795,922 km (0.078 R)
• M5: 2,639,654 km (0.11 R)
• M6: 3,273,201 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.3

Radius: 14.3

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.72 AU - 3.14 AU

Year: 3344 Days

Day: 12 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,999,152 km

• M1: 182,958 km (0.048 R)
• M2: 741,257 km (0.05 R)
• M3: 1,278,314 km (0.084 R)
• M4: 1,953,748 km (0.101 R)
• M5: 2,476,892 km (0.074 R)
• M6: 2,975,801 km (0.037 R)
• M7: 4,243,643 km (0.082 R)
• M8: 5,532,877 km (0.056 R)
• M9: 6,144,134 km (0.107 R)
• M10: 7,408,236 km (0.111 R)
• M11: 8,354,443 km (0.063 R)
• M12: 9,197,277 km (0.067 R)
• M13: 10,057,465 km (0.112 R)
• M14: 11,595,630 km (0.069 R)
• M15: 13,378,986 km (0.098 R)
• M16: 15,493,403 km (0.095 R)
• M17: 16,549,264 km (0.099 R)
• M18: 18,570,182 km (0.119 R)
• M19: 19,761,430 km (0.096 R)
• M20: 20,252,111 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.7

Radius: 9.8

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.7 AU - 3.22 AU

Year: 3396 Days

Day: 10 Hours

Environment

Temp: -206 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,999,152 km

• M1: 121,922 km (0.115 R)
• M2: 429,944 km (0.074 R)
• M3: 775,216 km (0.099 R)
• M4: 1,080,545 km (0.104 R)
• M5: 1,747,453 km (0.055 R)
• M6: 2,132,218 km (0.118 R)
• M7: 2,519,976 km (0.054 R)
• M8: 3,014,247 km (0.098 R)
• M9: 3,920,960 km (0.072 R)
• M10: 4,292,561 km (0.094 R)
• M11: 4,626,763 km (0.105 R)
• M12: 5,348,124 km (0.055 R)
• M13: 7,676,316 km (0.067 R)
• M14: 10,504,164 km (0.114 R)
• M15: 11,938,209 km (0.119 R)
• M16: 12,286,772 km (0.043 R)
• M17: 13,792,325 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.2

Radius: 11.9

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.46 AU - 3.88 AU

Year: 3764 Days

Day: 10.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,999,152 km

• M1: 147,952 km (0.107 R)
• M2: 518,656 km (0.058 R)
• M3: 1,127,220 km (0.068 R)
• M4: 1,626,428 km (0.081 R)
• M5: 2,054,577 km (0.105 R)
• M6: 2,855,375 km (0.078 R)
• M7: 3,239,392 km (0.117 R)
• M8: 3,675,620 km (0.093 R)
• M9: 4,075,196 km (0.087 R)
• M10: 4,524,288 km (0.093 R)
• M11: 5,384,327 km (0.113 R)
• M12: 5,975,238 km (0.072 R)
• M13: 6,956,002 km (0.104 R)
• M14: 7,343,311 km (0.089 R)
• M15: 7,981,346 km (0.086 R)
• M16: 9,235,724 km (0.114 R)
• M17: 9,772,780 km (0.095 R)
• M18: 11,244,823 km (0.104 R)
• M19: 12,533,010 km (0.047 R)
• M20: 13,744,155 km (0.114 R)
• M21: 16,061,276 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.9

Radius: 13.5

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.31 AU - 5.23 AU

Year: 5884 Days

Day: 8.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,999,152 km

• M1: 167,849 km (0.092 R)
• M2: 623,524 km (0.059 R)
• M3: 2,147,477 km (0.093 R)
• M4: 2,914,915 km (0.086 R)
• M5: 3,501,787 km (0.1 R)
• M6: 4,022,537 km (0.047 R)
• M7: 4,914,739 km (0.096 R)
• M8: 6,091,775 km (0.111 R)
• M9: 6,918,004 km (0.117 R)
• M10: 7,376,372 km (0.11 R)
• M11: 9,632,158 km (0.087 R)
• M12: 10,386,131 km (0.086 R)
• M13: 10,988,861 km (0.117 R)
• M14: 13,150,550 km (0.109 R)
• M15: 14,247,103 km (0.078 R)
• M16: 16,005,027 km (0.11 R)
• M17: 17,127,011 km (0.07 R)
• M18: 22,910,615 km (0.117 R)
• M19: 23,774,094 km (0.094 R)
• M20: 24,496,651 km (0.09 R)
• M21: 25,817,451 km (0.104 R)
• M22: 26,495,428 km (0.119 R)
• M23: 30,720,671 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.1

Radius: 9.4

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.27 AU - 5.43 AU

Year: 8252 Days

Day: 6.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,999,152 km

• M1: 116,986 km (0.099 R)
• M2: 433,385 km (0.112 R)
• M3: 906,264 km (0.099 R)
• M4: 1,271,432 km (0.087 R)
• M5: 1,690,905 km (0.06 R)
• M6: 2,874,523 km (0.11 R)
• M7: 3,856,484 km (0.106 R)
• M8: 4,312,159 km (0.115 R)
• M9: 4,955,130 km (0.097 R)
• M10: 5,429,056 km (0.072 R)
• M11: 6,431,362 km (0.081 R)
• M12: 6,957,348 km (0.045 R)
• M13: 9,686,612 km (0.077 R)
• M14: 9,979,076 km (0.079 R)
• M15: 13,841,992 km (0.108 R)
• M16: 15,236,693 km (0.068 R)
• M17: 17,286,632 km (0.078 R)
• M18: 20,376,427 km (0.115 R)
• M19: 20,776,751 km (0.115 R)
• M20: 22,686,517 km (0.116 R)
• M21: 28,812,101 km (0.097 R)
• M22: 32,686,836 km (0.111 R)
• M23: 34,352,009 km (0.096 R)
• M24: 34,691,746 km (0.037 R)
• M25: 35,956,596 km (0.053 R)
• M26: 37,490,573 km (0.111 R)
• M27: 38,700,072 km (0.1 R)
• M28: 40,815,385 km (0.082 R)
• M29: 42,484,299 km (0.073 R)
• M30: 45,275,347 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.7

Radius: 6

Gravity: 27.41 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 6.39 AU - 7.07 AU

Year: 11643 Days

Day: 24.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 76,999,152 km

• M1: 74,649 km (0.098 R)
• M2: 358,287 km (0.099 R)
• M3: 605,273 km (0.116 R)
• M4: 1,755,681 km (0.107 R)
• M5: 2,531,645 km (0.07 R)
• M6: 3,306,412 km (0.047 R)
• M7: 5,171,598 km (0.114 R)
• M8: 6,527,853 km (0.078 R)
• M9: 7,644,152 km (0.1 R)
• M10: 7,872,588 km (0.083 R)
• M11: 8,488,034 km (0.043 R)
• M12: 9,444,263 km (0.119 R)
• M13: 11,097,469 km (0.034 R)
• M14: 12,999,008 km (0.069 R)
• M15: 13,259,308 km (0.076 R)
• M16: 15,395,416 km (0.088 R)
• M17: 16,130,690 km (0.029 R)
• M18: 17,277,058 km (0.098 R)
• M19: 17,750,535 km (0.116 R)
• M20: 18,151,607 km (0.098 R)
• M21: 19,988,669 km (0.069 R)
• M22: 21,490,333 km (0.066 R)
• M23: 24,223,186 km (0.077 R)
• M24: 25,928,453 km (0.086 R)
• M25: 26,340,894 km (0.117 R)
• M26: 27,073,475 km (0.112 R)
• M27: 27,604,846 km (0.086 R)
• M28: 28,251,857 km (0.096 R)
• M29: 28,908,741 km (0.092 R)
• M30: 31,288,395 km (0.115 R)
• M31: 33,186,792 km (0.071 R)
• M32: 39,748,753 km (0.107 R)
• M33: 40,712,013 km (0.101 R)
• M34: 42,971,689 km (0.069 R)
• M35: 44,425,631 km (0.057 R)
• M36: 44,868,291 km (0.101 R)
• M37: 46,515,962 km (0.071 R)
• M38: 55,704,413 km (0.06 R)
• M39: 57,431,969 km (0.101 R)
• M40: 58,485,437 km (0.029 R)
• M41: 59,194,980 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93

Radius: 3.5

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.43 AU - 8.57 AU

Year: 13697 Days

Day: 20.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,999,152 km

• M1: 43,533 km (0.111 R)
• M2: 589,266 km (0.106 R)
• M3: 745,895 km (0.099 R)
• M4: 1,829,432 km (0.112 R)
• M5: 2,920,450 km (0.081 R)
• M6: 3,591,246 km (0.084 R)
• M7: 3,813,399 km (0.066 R)
• M8: 5,486,801 km (0.101 R)
• M9: 5,603,487 km (0.115 R)
• M10: 6,564,355 km (0.096 R)
• M11: 6,930,271 km (0.072 R)
• M12: 7,170,076 km (0.113 R)
• M13: 9,209,694 km (0.115 R)
• M14: 9,583,539 km (0.075 R)
• M15: 9,924,173 km (0.101 R)
• M16: 10,811,289 km (0.051 R)
• M17: 11,557,782 km (0.111 R)
• M18: 13,841,094 km (0.068 R)
• M19: 14,441,730 km (0.083 R)
• M20: 18,940,736 km (0.058 R)
• M21: 21,722,359 km (0.082 R)
• M22: 22,607,081 km (0.109 R)
• M23: 23,058,268 km (0.051 R)
• M24: 27,223,821 km (0.072 R)
• M25: 30,384,076 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577.6

Radius: 7

Gravity: 11.79 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.9 AU - 11.78 AU

Year: 22172 Days

Day: 19.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,999,152 km

• M1: 99,782 km (0.109 R)
• M2: 1,163,572 km (0.106 R)
• M3: 1,721,722 km (0.093 R)
• M4: 3,083,362 km (0.042 R)
• M5: 3,470,222 km (0.117 R)
• M6: 3,796,345 km (0.12 R)
• M7: 5,867,079 km (0.058 R)
• M8: 11,472,810 km (0.083 R)
• M9: 12,130,742 km (0.08 R)
• M10: 13,023,392 km (0.104 R)
• M11: 14,181,280 km (0.044 R)
• M12: 16,783,236 km (0.097 R)
• M13: 17,630,707 km (0.049 R)
• M14: 22,705,366 km (0.071 R)
• M15: 24,699,955 km (0.074 R)
• M16: 27,965,228 km (0.1 R)
• M17: 28,674,920 km (0.114 R)
• M18: 35,750,002 km (0.08 R)
• M19: 37,863,969 km (0.095 R)
• M20: 40,059,617 km (0.096 R)
• M21: 51,966,261 km (0.08 R)
• M22: 67,286,878 km (0.108 R)
• M23: 69,202,778 km (0.115 R)
• M24: 74,263,375 km (0.205 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 16,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit