🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.43 AU - 0.71 AU

Year: 191 Days

Day: 23.7 Hours

Environment

Temp: 2 °C

Axial Tilt: 11.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.9

Radius: 13.3

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.63 AU - 2.73 AU

Year: 1943 Days

Day: 12.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,085,398 km

• M1: 165,754 km (0.106 R)
• M2: 1,050,775 km (0.11 R)
• M3: 1,549,984 km (0.096 R)
• M4: 2,173,059 km (0.108 R)
• M5: 3,245,975 km (0.112 R)
• M6: 4,910,550 km (0.113 R)
• M7: 6,218,783 km (0.101 R)
• M8: 7,221,388 km (0.116 R)
• M9: 8,691,935 km (0.07 R)
• M10: 9,417,036 km (0.12 R)
• M11: 12,648,500 km (0.088 R)
• M12: 13,456,328 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907

Radius: 11.5

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.31 AU - 3.17 AU

Year: 2009 Days

Day: 10.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,085,398 km

• M1: 143,315 km (0.072 R)
• M2: 515,514 km (0.112 R)
• M3: 937,530 km (0.117 R)
• M4: 1,315,264 km (0.052 R)
• M5: 1,753,586 km (0.092 R)
• M6: 2,199,089 km (0.093 R)
• M7: 2,676,007 km (0.087 R)
• M8: 3,123,005 km (0.119 R)
• M9: 3,973,319 km (0.116 R)
• M10: 4,370,651 km (0.107 R)
• M11: 7,729,572 km (0.103 R)
• M12: 8,774,214 km (0.075 R)
• M13: 9,176,782 km (0.112 R)
• M14: 9,661,778 km (0.109 R)
• M15: 10,273,783 km (0.094 R)
• M16: 11,775,746 km (0.102 R)
• M17: 12,142,111 km (0.084 R)
• M18: 12,940,964 km (0.098 R)
• M19: 16,744,190 km (0.115 R)
• M20: 17,208,243 km (0.111 R)
• M21: 17,733,780 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.5

Radius: 10.2

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.55 AU - 3.57 AU

Year: 2975 Days

Day: 8.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,085,398 km

• M1: 126,859 km (0.094 R)
• M2: 495,169 km (0.064 R)
• M3: 892,501 km (0.106 R)
• M4: 1,365,081 km (0.099 R)
• M5: 1,734,438 km (0.057 R)
• M6: 2,051,884 km (0.088 R)
• M7: 2,511,449 km (0.113 R)
• M8: 3,160,255 km (0.077 R)
• M9: 3,581,672 km (0.11 R)
• M10: 3,957,761 km (0.117 R)
• M11: 4,470,882 km (0.069 R)
• M12: 4,837,098 km (0.089 R)
• M13: 6,030,889 km (0.097 R)
• M14: 7,285,865 km (0.107 R)
• M15: 8,091,300 km (0.044 R)
• M16: 10,423,680 km (0.07 R)
• M17: 11,872,835 km (0.107 R)
• M18: 13,264,843 km (0.072 R)
• M19: 13,928,011 km (0.119 R)
• M20: 14,316,666 km (0.104 R)
• M21: 15,371,780 km (0.062 R)
• M22: 16,694,374 km (0.118 R)
• M23: 17,579,695 km (0.107 R)
• M24: 20,486,381 km (0.119 R)
• M25: 21,116,637 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.6

Radius: 10.8

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.25 AU - 4.73 AU

Year: 4214 Days

Day: 14.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,085,398 km

• M1: 134,638 km (0.107 R)
• M2: 505,042 km (0.117 R)
• M3: 877,242 km (0.047 R)
• M4: 2,650,126 km (0.117 R)
• M5: 3,119,564 km (0.105 R)
• M6: 3,456,160 km (0.11 R)
• M7: 3,995,610 km (0.072 R)
• M8: 5,054,613 km (0.106 R)
• M9: 5,868,425 km (0.074 R)
• M10: 6,416,103 km (0.071 R)
• M11: 6,865,495 km (0.118 R)
• M12: 7,578,778 km (0.099 R)
• M13: 8,154,879 km (0.073 R)
• M14: 8,955,078 km (0.097 R)
• M15: 12,003,733 km (0.035 R)
• M16: 13,866,675 km (0.057 R)
• M17: 14,401,637 km (0.098 R)
• M18: 16,031,357 km (0.062 R)
• M19: 16,860,578 km (0.107 R)
• M20: 17,718,073 km (0.044 R)
• M21: 18,221,021 km (0.108 R)
• M22: 19,854,480 km (0.11 R)
• M23: 20,397,221 km (0.068 R)
• M24: 21,159,572 km (0.073 R)
• M25: 21,512,323 km (0.083 R)
• M26: 22,741,270 km (0.098 R)
• M27: 23,485,669 km (0.047 R)
• M28: 26,057,855 km (0.116 R)
• M29: 27,120,748 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.1

Radius: 13.9

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.73 AU - 8.77 AU

Year: 8647 Days

Day: 12.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,085,398 km

• M1: 172,935 km (0.104 R)
• M2: 669,600 km (0.069 R)
• M3: 1,233,285 km (0.114 R)
• M4: 1,894,358 km (0.094 R)
• M5: 3,888,946 km (0.081 R)
• M6: 4,726,994 km (0.028 R)
• M7: 5,584,489 km (0.081 R)
• M8: 6,294,031 km (0.084 R)
• M9: 11,191,866 km (0.088 R)
• M10: 12,771,469 km (0.101 R)
• M11: 14,065,790 km (0.032 R)
• M12: 14,744,815 km (0.092 R)
• M13: 19,138,804 km (0.114 R)
• M14: 21,069,963 km (0.068 R)
• M15: 24,249,815 km (0.088 R)
• M16: 25,498,059 km (0.095 R)
• M17: 27,832,833 km (0.064 R)
• M18: 35,012,035 km (0.097 R)
• M19: 39,815,174 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.3

Radius: 13.1

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.62 AU - 8.22 AU

Year: 9872 Days

Day: 9.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,085,398 km

• M1: 166,951 km (0.083 R)
• M2: 728,691 km (0.111 R)
• M3: 1,281,755 km (0.095 R)
• M4: 2,135,210 km (0.066 R)
• M5: 3,387,793 km (0.091 R)
• M6: 4,147,751 km (0.104 R)
• M7: 5,453,441 km (0.06 R)
• M8: 7,873,785 km (0.082 R)
• M9: 8,523,488 km (0.094 R)
• M10: 9,018,208 km (0.054 R)
• M11: 10,443,577 km (0.09 R)
• M12: 11,486,424 km (0.062 R)
• M13: 13,611,910 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734

Radius: 10.7

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.31 AU - 8.31 AU

Year: 10611 Days

Day: 5.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,085,398 km

• M1: 150,495 km (0.094 R)
• M2: 571,464 km (0.116 R)
• M3: 1,400,086 km (0.104 R)
• M4: 2,098,260 km (0.069 R)
• M5: 2,527,306 km (0.065 R)
• M6: 3,876,829 km (0.082 R)
• M7: 6,011,291 km (0.118 R)
• M8: 6,844,402 km (0.09 R)
• M9: 8,739,657 km (0.103 R)
• M10: 10,011,688 km (0.092 R)
• M11: 11,971,270 km (0.111 R)
• M12: 14,831,282 km (0.093 R)
• M13: 16,419,563 km (0.045 R)
• M14: 19,688,277 km (0.107 R)
• M15: 20,423,550 km (0.109 R)
• M16: 23,186,922 km (0.117 R)
• M17: 30,190,047 km (0.063 R)
• M18: 32,054,336 km (0.043 R)
• M19: 34,697,281 km (0.077 R)
• M20: 40,412,668 km (0.099 R)
• M21: 40,805,811 km (0.074 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.3

Radius: 10.1

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.77 AU - 10.03 AU

Year: 12765 Days

Day: 11.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 141.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,085,398 km

• M1: 129,253 km (0.119 R)
• M2: 538,702 km (0.112 R)
• M3: 1,050,925 km (0.096 R)
• M4: 2,299,020 km (0.084 R)
• M5: 2,678,101 km (0.054 R)
• M6: 3,049,852 km (0.051 R)
• M7: 4,224,345 km (0.098 R)
• M8: 5,067,628 km (0.088 R)
• M9: 5,529,586 km (0.059 R)
• M10: 9,017,760 km (0.117 R)
• M11: 11,942,548 km (0.096 R)
• M12: 20,992,471 km (0.066 R)
• M13: 25,518,554 km (0.064 R)
• M14: 26,139,535 km (0.089 R)
• M15: 27,304,304 km (0.098 R)
• M16: 28,947,637 km (0.106 R)
• M17: 31,357,958 km (0.102 R)
• M18: 37,099,075 km (0.115 R)
• M19: 39,112,962 km (0.109 R)
• M20: 43,503,958 km (0.077 R)
• M21: 48,685,879 km (0.088 R)
• M22: 53,250,858 km (0.087 R)
• M23: 54,605,766 km (0.073 R)
• M24: 54,948,046 km (0.054 R)
• M25: 56,856,167 km (0.115 R)
• M26: 59,710,045 km (0.076 R)
• M27: 61,356,669 km (0.113 R)
• M28: 61,912,126 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611.4

Radius: 5.1

Gravity: 23.51 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.8 AU - 13 AU

Year: 14855 Days

Day: 15.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 122.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,085,398 km

• M1: 68,217 km (0.068 R)
• M2: 318,643 km (0.113 R)
• M3: 728,990 km (0.12 R)
• M4: 990,039 km (0.045 R)
• M5: 1,903,932 km (0.102 R)
• M6: 2,162,138 km (0.071 R)
• M7: 2,681,243 km (0.085 R)
• M8: 2,863,752 km (0.109 R)
• M9: 3,790,810 km (0.087 R)
• M10: 4,671,044 km (0.094 R)
• M11: 5,176,386 km (0.083 R)
• M12: 5,606,180 km (0.092 R)
• M13: 6,098,357 km (0.056 R)
• M14: 6,953,459 km (0.108 R)
• M15: 7,656,569 km (0.109 R)
• M16: 8,898,530 km (0.071 R)
• M17: 13,620,437 km (0.116 R)
• M18: 17,954,587 km (0.082 R)
• M19: 18,278,017 km (0.095 R)
• M20: 19,781,177 km (0.101 R)
• M21: 25,792,468 km (0.114 R)
• M22: 27,894,767 km (0.075 R)
• M23: 34,383,275 km (0.1 R)
• M24: 41,246,227 km (0.117 R)
• M25: 43,238,572 km (0.114 R)
• M26: 45,593,093 km (0.085 R)
• M27: 46,649,553 km (0.055 R)
• M28: 49,757,748 km (0.113 R)
• M29: 53,499,639 km (0.076 R)
• M30: 56,382,839 km (0.116 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 13,916 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit