🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.7

Radius: 11.1

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.83 AU - 0.93 AU

Year: 550 Days

Day: 9.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,382,208 km

• M1: 138,528 km (0.026 R)
• M2: 573,409 km (0.084 R)
• M3: 942,167 km (0.086 R)
• M4: 1,621,641 km (0.065 R)
• M5: 2,141,494 km (0.119 R)
• M6: 3,124,800 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.4

Radius: 14.1

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.72 AU - 2.24 AU

Year: 1858 Days

Day: 13.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,382,208 km

• M1: 178,321 km (0.103 R)
• M2: 617,690 km (0.086 R)
• M3: 1,658,592 km (0.106 R)
• M4: 2,726,870 km (0.092 R)
• M5: 3,339,324 km (0.101 R)
• M6: 3,894,481 km (0.076 R)
• M7: 4,758,708 km (0.07 R)
• M8: 5,304,740 km (0.114 R)
• M9: 6,215,044 km (0.095 R)
• M10: 7,568,605 km (0.107 R)
• M11: 8,162,209 km (0.104 R)
• M12: 8,915,435 km (0.118 R)
• M13: 11,379,611 km (0.077 R)
• M14: 12,320,432 km (0.088 R)
• M15: 14,046,941 km (0.118 R)
• M16: 14,762,767 km (0.076 R)
• M17: 15,315,531 km (0.117 R)
• M18: 16,218,952 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.1

Radius: 8.7

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.21 AU - 2.43 AU

Year: 2356 Days

Day: 7.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,382,208 km

• M1: 109,206 km (0.084 R)
• M2: 518,656 km (0.055 R)
• M3: 791,971 km (0.085 R)
• M4: 1,835,566 km (0.053 R)
• M5: 2,415,706 km (0.069 R)
• M6: 2,788,056 km (0.083 R)
• M7: 3,391,533 km (0.118 R)
• M8: 3,998,601 km (0.093 R)
• M9: 4,543,587 km (0.072 R)
• M10: 6,016,976 km (0.041 R)
• M11: 6,478,934 km (0.097 R)
• M12: 7,566,511 km (0.045 R)
• M13: 8,533,960 km (0.067 R)
• M14: 9,874,955 km (0.085 R)
• M15: 10,250,147 km (0.106 R)
• M16: 11,028,953 km (0.085 R)
• M17: 18,063,494 km (0.115 R)
• M18: 18,455,441 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.2

Radius: 13.2

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.21 AU - 3.69 AU

Year: 4273 Days

Day: 12.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 176.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,382,208 km

• M1: 165,156 km (0.104 R)
• M2: 751,729 km (0.12 R)
• M3: 1,936,245 km (0.053 R)
• M4: 2,466,121 km (0.111 R)
• M5: 4,521,745 km (0.068 R)
• M6: 5,574,765 km (0.117 R)
• M7: 11,245,721 km (0.112 R)
• M8: 12,537,349 km (0.108 R)
• M9: 13,977,079 km (0.109 R)
• M10: 14,445,619 km (0.106 R)
• M11: 17,420,822 km (0.111 R)
• M12: 20,382,111 km (0.044 R)
• M13: 21,393,991 km (0.088 R)
• M14: 24,781,934 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.3

Radius: 10.2

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.23 AU - 4.41 AU

Year: 5988 Days

Day: 5.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,382,208 km

• M1: 127,607 km (0.106 R)
• M2: 549,473 km (0.075 R)
• M3: 1,432,400 km (0.111 R)
• M4: 2,241,574 km (0.111 R)
• M5: 2,631,277 km (0.116 R)
• M6: 3,948,785 km (0.058 R)
• M7: 5,069,872 km (0.117 R)
• M8: 6,181,085 km (0.116 R)
• M9: 6,699,741 km (0.09 R)
• M10: 7,929,286 km (0.099 R)
• M11: 8,803,535 km (0.098 R)
• M12: 10,108,927 km (0.091 R)
• M13: 11,225,076 km (0.101 R)
• M14: 12,185,046 km (0.114 R)
• M15: 15,559,076 km (0.088 R)
• M16: 16,062,772 km (0.106 R)
• M17: 16,519,794 km (0.106 R)
• M18: 16,926,700 km (0.113 R)
• M19: 17,579,545 km (0.09 R)
• M20: 18,621,494 km (0.092 R)
• M21: 22,134,651 km (0.103 R)
• M22: 22,558,312 km (0.062 R)
• M23: 22,987,358 km (0.068 R)
• M24: 24,682,901 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.8

Radius: 10.7

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.28 AU - 5.76 AU

Year: 8648 Days

Day: 7.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,382,208 km

• M1: 133,292 km (0.101 R)
• M2: 635,193 km (0.092 R)
• M3: 973,433 km (0.112 R)
• M4: 2,014,635 km (0.086 R)
• M5: 3,188,230 km (0.057 R)
• M6: 4,253,965 km (0.084 R)
• M7: 6,500,925 km (0.032 R)
• M8: 8,872,949 km (0.057 R)
• M9: 9,355,103 km (0.072 R)
• M10: 12,139,718 km (0.091 R)
• M11: 13,462,462 km (0.105 R)
• M12: 23,231,951 km (0.071 R)
• M13: 28,247,818 km (0.103 R)
• M14: 34,797,662 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.5

Radius: 11.9

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.42 AU - 6.04 AU

Year: 9147 Days

Day: 14.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,382,208 km

• M1: 148,102 km (0.104 R)
• M2: 518,207 km (0.051 R)
• M3: 956,230 km (0.115 R)
• M4: 1,937,741 km (0.102 R)
• M5: 6,088,484 km (0.098 R)
• M6: 7,426,637 km (0.095 R)
• M7: 9,517,117 km (0.092 R)
• M8: 11,928,785 km (0.106 R)
• M9: 12,660,169 km (0.091 R)
• M10: 17,401,224 km (0.102 R)
• M11: 21,501,552 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.8

Radius: 4.1

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 6.3 AU - 9.26 AU

Year: 14471 Days

Day: 17.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,382,208 km

• M1: 51,013 km (0.103 R)
• M2: 272,717 km (0.106 R)
• M3: 2,372,323 km (0.091 R)
• M4: 3,366,550 km (0.05 R)
• M5: 3,851,098 km (0.075 R)
• M6: 6,164,031 km (0.087 R)
• M7: 7,058,177 km (0.119 R)
• M8: 7,518,041 km (0.075 R)
• M9: 8,111,197 km (0.1 R)
• M10: 9,390,109 km (0.084 R)
• M11: 11,076,376 km (0.072 R)
• M12: 11,648,139 km (0.111 R)
• M13: 19,156,755 km (0.119 R)
• M14: 19,496,791 km (0.111 R)
• M15: 20,118,819 km (0.104 R)
• M16: 21,694,833 km (0.064 R)
• M17: 22,891,466 km (0.12 R)
• M18: 29,001,342 km (0.078 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 19,298 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit