🌌 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: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.5

Radius: 8.3

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.62 AU - 0.62 AU

Year: 331 Days

Day: 14.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,354,782 km

• M1: 103,522 km (0.101 R)
• M2: 391,498 km (0.112 R)
• M3: 717,471 km (0.091 R)
• M4: 1,098,946 km (0.04 R)
• M5: 1,552,826 km (0.118 R)
• M6: 1,936,694 km (0.09 R)
• M7: 2,630,828 km (0.093 R)
• M8: 3,114,927 km (0.053 R)
• M9: 3,492,811 km (0.112 R)
• M10: 4,078,337 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.1

Radius: 12.6

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.69 AU - 0.71 AU

Year: 397 Days

Day: 5.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 73,354,782 km

• M1: 156,629 km (0.074 R)
• M2: 922,271 km (0.083 R)
• M3: 2,457,295 km (0.093 R)
• M4: 2,888,286 km (0.08 R)
• M5: 4,327,118 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.3

Radius: 12.2

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1 AU - 1.64 AU

Year: 1029 Days

Day: 8.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 73,354,782 km

• M1: 151,991 km (0.095 R)
• M2: 1,029,832 km (0.038 R)
• M3: 1,762,562 km (0.099 R)
• M4: 2,250,550 km (0.051 R)
• M5: 2,775,639 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.1

Radius: 11.1

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.03 AU - 3.29 AU

Year: 2942 Days

Day: 9 Hours

Environment

Temp: -203 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,354,782 km

• M1: 143,764 km (0.058 R)
• M2: 502,649 km (0.12 R)
• M3: 899,083 km (0.113 R)
• M4: 1,527,693 km (0.04 R)
• M5: 2,059,813 km (0.048 R)
• M6: 2,454,303 km (0.105 R)
• M7: 2,976,848 km (0.119 R)
• M8: 3,676,667 km (0.114 R)
• M9: 6,140,843 km (0.087 R)
• M10: 6,874,621 km (0.066 R)
• M11: 7,323,115 km (0.071 R)
• M12: 7,715,809 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.6

Radius: 11.5

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.45 AU - 4.15 AU

Year: 5024 Days

Day: 15 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,354,782 km

• M1: 143,016 km (0.107 R)
• M2: 980,614 km (0.051 R)
• M3: 1,486,704 km (0.09 R)
• M4: 1,885,083 km (0.096 R)
• M5: 2,808,999 km (0.099 R)
• M6: 3,238,495 km (0.062 R)
• M7: 3,802,628 km (0.032 R)
• M8: 4,879,434 km (0.088 R)
• M9: 5,503,855 km (0.119 R)
• M10: 7,371,734 km (0.098 R)
• M11: 10,113,414 km (0.094 R)
• M12: 10,659,596 km (0.105 R)
• M13: 11,321,567 km (0.083 R)
• M14: 11,761,534 km (0.1 R)
• M15: 14,023,155 km (0.072 R)
• M16: 14,760,523 km (0.102 R)
• M17: 16,685,847 km (0.106 R)
• M18: 17,256,264 km (0.118 R)
• M19: 17,643,722 km (0.108 R)
• M20: 18,169,260 km (0.111 R)
• M21: 19,251,900 km (0.038 R)
• M22: 21,844,580 km (0.077 R)
• M23: 24,988,978 km (0.115 R)
• M24: 27,361,750 km (0.095 R)
• M25: 32,649,436 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.1

Radius: 6.5

Gravity: 15.84 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 9.82 AU - 10.36 AU

Year: 21738 Days

Day: 17.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,354,782 km

• M1: 86,318 km (0.103 R)
• M2: 389,403 km (0.104 R)
• M3: 906,862 km (0.092 R)
• M4: 1,371,962 km (0.112 R)
• M5: 1,738,926 km (0.102 R)
• M6: 2,387,732 km (0.093 R)
• M7: 2,742,727 km (0.028 R)
• M8: 3,926,047 km (0.06 R)
• M9: 4,455,623 km (0.108 R)
• M10: 7,249,662 km (0.063 R)
• M11: 7,740,493 km (0.041 R)
• M12: 8,148,895 km (0.101 R)
• M13: 8,898,081 km (0.088 R)
• M14: 9,460,719 km (0.11 R)
• M15: 10,907,630 km (0.106 R)
• M16: 13,058,249 km (0.106 R)
• M17: 16,790,715 km (0.067 R)
• M18: 18,990,552 km (0.083 R)
• M19: 22,178,932 km (0.032 R)
• M20: 22,794,676 km (0.08 R)
• M21: 24,383,705 km (0.117 R)
• M22: 25,594,999 km (0.048 R)
• M23: 30,589,473 km (0.05 R)
• M24: 31,096,461 km (0.103 R)
• M25: 32,127,340 km (0.112 R)
• M26: 43,879,748 km (0.084 R)
• M27: 49,390,335 km (0.082 R)
• M28: 51,503,405 km (0.094 R)
• M29: 52,220,877 km (0.032 R)
• M30: 54,043,727 km (0.101 R)
• M31: 55,344,779 km (0.044 R)
• M32: 57,047,951 km (0.062 R)
• M33: 62,366,904 km (0.074 R)
• M34: 64,625,383 km (0.085 R)
• M35: 65,459,989 km (0.115 R)
• M36: 66,937,866 km (0.097 R)
• M37: 75,120,421 km (0.063 R)
• M38: 79,093,741 km (0.222 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465

Radius: 5.8

Gravity: 13.82 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 9.12 AU - 11.82 AU

Year: 22978 Days

Day: 25 Hours

Environment

Temp: -245 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,354,782 km

• M1: 72,256 km (0.086 R)
• M2: 324,478 km (0.096 R)
• M3: 873,951 km (0.076 R)
• M4: 2,213,300 km (0.111 R)
• M5: 2,681,841 km (0.118 R)
• M6: 3,081,417 km (0.049 R)
• M7: 3,295,641 km (0.1 R)
• M8: 3,784,078 km (0.044 R)
• M9: 4,762,149 km (0.093 R)
• M10: 5,012,725 km (0.075 R)
• M11: 5,898,644 km (0.067 R)
• M12: 7,020,778 km (0.09 R)
• M13: 8,126,007 km (0.063 R)
• M14: 9,122,927 km (0.117 R)
• M15: 9,566,185 km (0.047 R)
• M16: 11,611,488 km (0.103 R)
• M17: 12,131,939 km (0.071 R)
• M18: 13,359,838 km (0.111 R)
• M19: 17,285,136 km (0.112 R)
• M20: 17,537,508 km (0.119 R)
• M21: 19,192,808 km (0.059 R)
• M22: 20,759,846 km (0.112 R)
• M23: 22,014,224 km (0.103 R)
• M24: 23,833,484 km (0.069 R)
• M25: 26,079,696 km (0.096 R)
• M26: 27,310,886 km (0.058 R)
• M27: 29,768,031 km (0.096 R)
• M28: 41,521,487 km (0.119 R)
• M29: 42,125,863 km (0.106 R)
• M30: 48,162,735 km (0.083 R)
• M31: 50,353,446 km (0.095 R)
• M32: 60,358,552 km (0.064 R)
• M33: 61,719,893 km (0.082 R)
• M34: 63,699,821 km (0.092 R)
• M35: 68,413,649 km (0.095 R)
• M36: 72,478,972 km (0.09 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 17,638 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit