🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.5

Radius: 12.6

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.51 AU - 0.63 AU

Year: 287 Days

Day: 10.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,758,132 km

• M1: 156,779 km (0.046 R)
• M2: 620,233 km (0.106 R)
• M3: 1,015,171 km (0.111 R)
• M4: 1,619,397 km (0.112 R)
• M5: 2,164,831 km (0.12 R)
• M6: 2,607,192 km (0.117 R)
• M7: 3,203,489 km (0.092 R)
• M8: 3,619,969 km (0.047 R)
• M9: 4,110,052 km (0.081 R)
• M10: 4,563,184 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.3

Radius: 14.6

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.58 AU - 0.86 AU

Year: 407 Days

Day: 14.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 50,758,132 km

• M1: 181,612 km (0.083 R)
• M2: 669,002 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.2

Radius: 8.4

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.68 AU - 0.82 AU

Year: 433 Days

Day: 13.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,758,132 km

• M1: 104,569 km (0.088 R)
• M2: 436,227 km (0.098 R)
• M3: 732,730 km (0.102 R)
• M4: 1,152,053 km (0.085 R)
• M5: 1,473,539 km (0.119 R)
• M6: 1,775,128 km (0.115 R)
• M7: 2,053,829 km (0.094 R)
• M8: 2,504,717 km (0.088 R)
• M9: 2,897,711 km (0.104 R)
• M10: 3,651,834 km (0.078 R)
• M11: 4,302,136 km (0.112 R)
• M12: 4,613,449 km (0.065 R)
• M13: 4,954,382 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454

Radius: 13.3

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.1 AU - 1.36 AU

Year: 910 Days

Day: 7.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,758,132 km

• M1: 165,605 km (0.097 R)
• M2: 588,668 km (0.079 R)
• M3: 1,042,398 km (0.064 R)
• M4: 1,566,888 km (0.12 R)
• M5: 2,074,474 km (0.039 R)
• M6: 3,194,812 km (0.079 R)
• M7: 3,948,935 km (0.101 R)
• M8: 4,376,935 km (0.051 R)
• M9: 4,921,321 km (0.077 R)
• M10: 5,400,184 km (0.106 R)
• M11: 6,107,034 km (0.108 R)
• M12: 7,071,043 km (0.118 R)
• M13: 8,206,939 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.8

Radius: 8.3

Gravity: 14.09 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.13 AU - 1.51 AU

Year: 1011 Days

Day: 13.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,758,132 km

• M1: 103,522 km (0.081 R)
• M2: 362,924 km (0.046 R)
• M3: 657,333 km (0.119 R)
• M4: 973,733 km (0.09 R)
• M5: 1,245,552 km (0.084 R)
• M6: 1,676,244 km (0.069 R)
• M7: 2,040,964 km (0.063 R)
• M8: 2,494,395 km (0.091 R)
• M9: 3,027,412 km (0.102 R)
• M10: 3,992,019 km (0.1 R)
• M11: 4,301,986 km (0.118 R)
• M12: 4,740,457 km (0.091 R)
• M13: 5,029,331 km (0.11 R)
• M14: 5,558,159 km (0.119 R)
• M15: 6,259,325 km (0.093 R)
• M16: 6,678,947 km (0.102 R)
• M17: 8,948,047 km (0.1 R)
• M18: 9,878,995 km (0.117 R)
• M19: 10,383,887 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.6

Radius: 8.7

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.11 AU - 3.65 AU

Year: 4144 Days

Day: 11 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,758,132 km

• M1: 108,309 km (0.094 R)
• M2: 496,964 km (0.088 R)
• M3: 1,092,513 km (0.075 R)
• M4: 1,388,867 km (0.117 R)
• M5: 2,120,699 km (0.084 R)
• M6: 2,671,070 km (0.117 R)
• M7: 3,775,701 km (0.098 R)
• M8: 4,489,432 km (0.08 R)
• M9: 6,758,981 km (0.086 R)
• M10: 8,158,469 km (0.071 R)
• M11: 8,628,356 km (0.085 R)
• M12: 12,344,667 km (0.062 R)
• M13: 16,835,744 km (0.115 R)
• M14: 17,302,041 km (0.098 R)
• M15: 18,443,921 km (0.111 R)
• M16: 19,127,434 km (0.1 R)
• M17: 21,010,871 km (0.085 R)
• M18: 23,588,891 km (0.069 R)
• M19: 23,952,713 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.4

Radius: 5

Gravity: 24.66 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.19 AU - 9.67 AU

Year: 14892 Days

Day: 22.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,758,132 km

• M1: 62,233 km (0.065 R)
• M2: 273,914 km (0.046 R)
• M3: 450,140 km (0.071 R)
• M4: 612,603 km (0.071 R)
• M5: 786,137 km (0.094 R)
• M6: 1,288,786 km (0.119 R)
• M7: 1,457,682 km (0.057 R)
• M8: 1,641,537 km (0.083 R)
• M9: 2,131,620 km (0.104 R)
• M10: 2,348,986 km (0.052 R)
• M11: 3,190,623 km (0.082 R)
• M12: 3,949,384 km (0.079 R)
• M13: 6,006,803 km (0.107 R)
• M14: 6,939,696 km (0.077 R)
• M15: 7,779,987 km (0.116 R)
• M16: 8,058,987 km (0.081 R)
• M17: 12,569,662 km (0.114 R)
• M18: 13,411,748 km (0.12 R)
• M19: 13,745,501 km (0.119 R)
• M20: 17,790,478 km (0.057 R)
• M21: 19,017,480 km (0.082 R)
• M22: 23,417,452 km (0.117 R)
• M23: 30,010,829 km (0.098 R)
• M24: 33,422,707 km (0.082 R)
• M25: 39,622,642 km (0.097 R)
• M26: 40,447,823 km (0.102 R)
• M27: 42,847,673 km (0.07 R)
• M28: 47,157,886 km (0.103 R)
• M29: 48,708,768 km (0.079 R)
• M30: 59,446,454 km (0.055 R)

Asteroid Belt

Center: 9.38 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144

Radius: 7

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 9.1 AU - 12.56 AU

Year: 23767 Days

Day: 22.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,758,132 km

• M1: 87,066 km (0.114 R)
• M2: 2,490,805 km (0.074 R)
• M3: 3,305,814 km (0.109 R)
• M4: 3,553,847 km (0.112 R)
• M5: 4,229,281 km (0.079 R)
• M6: 4,673,737 km (0.075 R)
• M7: 5,149,009 km (0.116 R)
• M8: 6,967,970 km (0.101 R)
• M9: 13,000,055 km (0.026 R)
• M10: 14,066,987 km (0.111 R)
• M11: 15,740,090 km (0.115 R)
• M12: 19,316,975 km (0.115 R)
• M13: 23,400,847 km (0.076 R)
• M14: 25,643,469 km (0.106 R)
• M15: 27,923,340 km (0.07 R)
• M16: 30,986,357 km (0.107 R)
• M17: 34,972,392 km (0.077 R)
• M18: 40,060,963 km (0.11 R)
• M19: 42,984,704 km (0.082 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 13,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit