🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.8

Radius: 8.2

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.55 AU - 0.55 AU

Year: 282 Days

Day: 11.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,999,198 km

• M1: 102,026 km (0.075 R)
• M2: 421,866 km (0.096 R)
• M3: 711,039 km (0.117 R)
• M4: 1,166,265 km (0.086 R)
• M5: 1,461,122 km (0.084 R)
• M6: 1,868,477 km (0.057 R)
• M7: 2,268,353 km (0.111 R)
• M8: 2,669,724 km (0.076 R)
• M9: 3,058,080 km (0.097 R)
• M10: 3,538,289 km (0.119 R)
• M11: 4,067,865 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756

Radius: 8.9

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.56 AU - 0.86 AU

Year: 413 Days

Day: 5.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,999,198 km

• M1: 111,151 km (0.079 R)
• M2: 479,611 km (0.112 R)
• M3: 840,890 km (0.12 R)
• M4: 1,197,531 km (0.075 R)
• M5: 1,705,565 km (0.082 R)
• M6: 2,018,374 km (0.085 R)
• M7: 2,416,604 km (0.036 R)
• M8: 2,710,564 km (0.116 R)
• M9: 3,006,618 km (0.116 R)
• M10: 3,359,819 km (0.11 R)
• M11: 4,372,447 km (0.11 R)
• M12: 4,888,110 km (0.055 R)
• M13: 5,711,497 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.9

Radius: 11

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.42 AU - 2.28 AU

Year: 1737 Days

Day: 13.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,999,198 km

• M1: 136,732 km (0.107 R)
• M2: 544,387 km (0.088 R)
• M3: 918,082 km (0.094 R)
• M4: 1,404,275 km (0.045 R)
• M5: 1,843,495 km (0.099 R)
• M6: 2,631,427 km (0.044 R)
• M7: 3,018,287 km (0.036 R)
• M8: 3,891,340 km (0.085 R)
• M9: 4,524,737 km (0.081 R)
• M10: 4,886,016 km (0.118 R)
• M11: 5,885,779 km (0.078 R)
• M12: 6,434,354 km (0.072 R)
• M13: 7,740,493 km (0.035 R)
• M14: 8,656,481 km (0.116 R)
• M15: 9,215,678 km (0.035 R)
• M16: 9,767,694 km (0.113 R)
• M17: 10,836,870 km (0.08 R)
• M18: 12,018,244 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.1

Radius: 14.7

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.55 AU - 3.23 AU

Year: 3391 Days

Day: 14.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,999,198 km

• M1: 182,958 km (0.066 R)
• M2: 664,963 km (0.114 R)
• M3: 1,179,280 km (0.092 R)
• M4: 1,751,641 km (0.111 R)
• M5: 2,434,855 km (0.089 R)
• M6: 3,384,652 km (0.099 R)
• M7: 3,873,986 km (0.097 R)
• M8: 4,827,822 km (0.096 R)
• M9: 6,531,742 km (0.059 R)
• M10: 7,201,641 km (0.044 R)
• M11: 10,191,355 km (0.109 R)
• M12: 10,843,003 km (0.098 R)
• M13: 11,479,093 km (0.119 R)
• M14: 12,094,988 km (0.098 R)
• M15: 12,640,571 km (0.078 R)
• M16: 14,782,962 km (0.033 R)
• M17: 17,615,748 km (0.085 R)
• M18: 18,140,387 km (0.087 R)
• M19: 19,777,437 km (0.057 R)
• M20: 20,344,413 km (0.114 R)
• M21: 21,776,364 km (0.087 R)
• M22: 22,997,082 km (0.119 R)
• M23: 23,624,346 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961

Radius: 10.3

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.04 AU - 4.36 AU

Year: 5941 Days

Day: 10.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,999,198 km

• M1: 128,953 km (0.103 R)
• M2: 1,021,604 km (0.112 R)
• M3: 1,449,603 km (0.116 R)
• M4: 2,218,387 km (0.094 R)
• M5: 2,695,006 km (0.095 R)
• M6: 3,070,646 km (0.092 R)
• M7: 3,952,675 km (0.1 R)
• M8: 5,659,886 km (0.104 R)
• M9: 6,589,188 km (0.091 R)
• M10: 7,090,640 km (0.087 R)
• M11: 7,464,186 km (0.118 R)
• M12: 7,850,896 km (0.045 R)
• M13: 8,580,784 km (0.084 R)
• M14: 9,135,643 km (0.067 R)
• M15: 10,082,298 km (0.06 R)
• M16: 10,895,512 km (0.071 R)
• M17: 11,242,729 km (0.116 R)
• M18: 12,064,470 km (0.112 R)
• M19: 15,945,487 km (0.086 R)
• M20: 19,770,705 km (0.088 R)
• M21: 22,449,255 km (0.062 R)
• M22: 22,931,558 km (0.058 R)
• M23: 23,916,960 km (0.04 R)
• M24: 26,060,248 km (0.115 R)
• M25: 27,864,548 km (0.116 R)
• M26: 32,124,796 km (0.072 R)
• M27: 33,150,290 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.4

Radius: 9.8

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.62 AU - 5.62 AU

Year: 6854 Days

Day: 13 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,999,198 km

• M1: 121,922 km (0.068 R)
• M2: 594,053 km (0.113 R)
• M3: 939,624 km (0.057 R)
• M4: 1,251,985 km (0.114 R)
• M5: 1,583,344 km (0.087 R)
• M6: 1,914,105 km (0.119 R)
• M7: 2,291,391 km (0.085 R)
• M8: 2,662,094 km (0.072 R)
• M9: 3,616,529 km (0.101 R)
• M10: 3,972,871 km (0.11 R)
• M11: 4,378,879 km (0.103 R)
• M12: 4,728,938 km (0.117 R)
• M13: 7,425,141 km (0.067 R)
• M14: 9,828,879 km (0.068 R)
• M15: 10,479,032 km (0.1 R)
• M16: 12,817,845 km (0.052 R)
• M17: 13,202,012 km (0.09 R)
• M18: 13,764,201 km (0.113 R)
• M19: 16,173,624 km (0.092 R)
• M20: 17,679,626 km (0.051 R)
• M21: 19,063,257 km (0.094 R)
• M22: 20,592,446 km (0.099 R)
• M23: 22,676,644 km (0.092 R)
• M24: 24,728,229 km (0.068 R)
• M25: 28,821,526 km (0.061 R)
• M26: 29,197,615 km (0.096 R)
• M27: 30,055,559 km (0.111 R)
• M28: 30,539,358 km (0.116 R)
• M29: 32,832,095 km (0.053 R)
• M30: 36,757,693 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.8

Radius: 10.7

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.91 AU - 5.37 AU

Year: 8044 Days

Day: 10.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,999,198 km

• M1: 133,142 km (0.061 R)
• M2: 1,105,977 km (0.092 R)
• M3: 1,899,743 km (0.066 R)
• M4: 2,616,616 km (0.091 R)
• M5: 3,732,766 km (0.102 R)
• M6: 4,610,307 km (0.12 R)
• M7: 5,713,143 km (0.114 R)
• M8: 10,587,191 km (0.106 R)
• M9: 19,425,284 km (0.099 R)
• M10: 21,186,948 km (0.119 R)
• M11: 26,227,199 km (0.111 R)
• M12: 27,918,703 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.9

Radius: 5.2

Gravity: 22.04 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.5 AU - 7.12 AU

Year: 9667 Days

Day: 16.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,999,198 km

• M1: 209,437 km (0.066 R)
• M2: 375,939 km (0.085 R)
• M3: 886,517 km (0.096 R)
• M4: 1,528,441 km (0.072 R)
• M5: 1,851,573 km (0.11 R)
• M6: 2,420,344 km (0.06 R)
• M7: 4,300,191 km (0.117 R)
• M8: 4,852,057 km (0.115 R)
• M9: 7,020,778 km (0.112 R)
• M10: 11,610,740 km (0.052 R)
• M11: 12,674,979 km (0.113 R)
• M12: 13,560,000 km (0.078 R)
• M13: 19,365,744 km (0.115 R)
• M14: 22,340,647 km (0.112 R)
• M15: 23,980,389 km (0.069 R)
• M16: 27,016,328 km (0.078 R)
• M17: 30,609,968 km (0.119 R)
• M18: 30,923,077 km (0.114 R)
• M19: 35,764,064 km (0.107 R)
• M20: 42,107,761 km (0.042 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.8

Radius: 6.1

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 9.42 AU - 10.76 AU

Year: 22123 Days

Day: 15.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,999,198 km

• M1: 76,893 km (0.099 R)
• M2: 769,382 km (0.095 R)
• M3: 960,119 km (0.109 R)
• M4: 1,440,179 km (0.08 R)
• M5: 1,936,694 km (0.103 R)
• M6: 2,278,376 km (0.086 R)
• M7: 3,217,551 km (0.072 R)
• M8: 4,505,738 km (0.05 R)
• M9: 4,982,207 km (0.057 R)
• M10: 6,502,421 km (0.096 R)
• M11: 6,993,700 km (0.07 R)
• M12: 9,925,520 km (0.102 R)
• M13: 12,412,883 km (0.052 R)
• M14: 13,049,871 km (0.041 R)
• M15: 14,076,860 km (0.095 R)
• M16: 18,952,255 km (0.116 R)
• M17: 20,266,921 km (0.051 R)
• M18: 20,745,036 km (0.108 R)
• M19: 21,394,291 km (0.102 R)
• M20: 25,669,648 km (0.069 R)
• M21: 27,567,148 km (0.116 R)
• M22: 28,550,006 km (0.099 R)
• M23: 28,849,501 km (0.077 R)
• M24: 33,263,535 km (0.07 R)
• M25: 33,928,797 km (0.112 R)
• M26: 39,697,141 km (0.108 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: 435 - 17,562 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit