🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929

Radius: 14.9

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.63 AU - 0.83 AU

Year: 409 Days

Day: 12.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,936,692 km

• M1: 204,650 km (0.049 R)
• M2: 681,717 km (0.082 R)
• M3: 1,175,091 km (0.052 R)
• M4: 2,439,193 km (0.105 R)
• M5: 3,009,610 km (0.101 R)
• M6: 3,569,106 km (0.107 R)
• M7: 4,481,503 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.3

Radius: 10.7

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.89 AU - 1.05 AU

Year: 627 Days

Day: 9.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,936,692 km

• M1: 133,142 km (0.092 R)
• M2: 756,816 km (0.104 R)
• M3: 1,203,664 km (0.114 R)
• M4: 1,604,138 km (0.114 R)
• M5: 2,012,989 km (0.117 R)
• M6: 2,359,906 km (0.07 R)
• M7: 2,939,149 km (0.078 R)
• M8: 3,300,578 km (0.106 R)
• M9: 4,113,941 km (0.072 R)
• M10: 4,536,855 km (0.112 R)
• M11: 5,022,150 km (0.096 R)
• M12: 7,126,095 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37

Radius: 11

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.56 AU - 2.58 AU

Year: 2703 Days

Day: 9.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,936,692 km

• M1: 138,079 km (0.097 R)
• M2: 649,404 km (0.12 R)
• M3: 1,449,903 km (0.119 R)
• M4: 1,926,521 km (0.09 R)
• M5: 2,343,750 km (0.091 R)
• M6: 3,175,215 km (0.104 R)
• M7: 4,074,747 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.9

Radius: 14.1

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.13 AU - 4.93 AU

Year: 5307 Days

Day: 7.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,936,692 km

• M1: 175,329 km (0.119 R)
• M2: 1,136,046 km (0.063 R)
• M3: 1,618,649 km (0.083 R)
• M4: 2,496,639 km (0.12 R)
• M5: 3,353,386 km (0.08 R)
• M6: 3,932,330 km (0.067 R)
• M7: 4,554,956 km (0.106 R)
• M8: 5,573,119 km (0.108 R)
• M9: 6,475,493 km (0.074 R)
• M10: 9,889,018 km (0.109 R)
• M11: 11,764,377 km (0.059 R)
• M12: 13,531,726 km (0.116 R)
• M13: 15,366,394 km (0.111 R)
• M14: 21,148,651 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.9

Radius: 8.2

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.46 AU - 5.4 AU

Year: 7181 Days

Day: 8.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,936,692 km

• M1: 102,175 km (0.117 R)
• M2: 460,761 km (0.038 R)
• M3: 824,284 km (0.033 R)
• M4: 1,118,094 km (0.096 R)
• M5: 1,569,132 km (0.108 R)
• M6: 1,880,744 km (0.104 R)
• M7: 2,417,502 km (0.096 R)
• M8: 3,889,245 km (0.086 R)
• M9: 4,157,923 km (0.069 R)
• M10: 5,241,610 km (0.103 R)
• M11: 5,631,462 km (0.04 R)
• M12: 6,137,701 km (0.081 R)
• M13: 7,096,325 km (0.116 R)
• M14: 9,701,272 km (0.077 R)
• M15: 11,941,500 km (0.11 R)
• M16: 13,100,136 km (0.099 R)
• M17: 14,045,445 km (0.103 R)
• M18: 14,622,294 km (0.109 R)
• M19: 16,830,508 km (0.115 R)
• M20: 19,252,199 km (0.111 R)
• M21: 20,619,523 km (0.046 R)
• M22: 21,139,226 km (0.067 R)
• M23: 25,361,776 km (0.104 R)
• M24: 25,872,653 km (0.115 R)
• M25: 29,642,818 km (0.113 R)
• M26: 31,170,512 km (0.118 R)
• M27: 32,749,966 km (0.065 R)
• M28: 33,763,791 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599

Radius: 4.4

Gravity: 30.94 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.41 AU - 6.61 AU

Year: 10896 Days

Day: 15.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 46,936,692 km

• M1: 60,438 km (0.075 R)
• M2: 215,122 km (0.076 R)
• M3: 430,991 km (0.05 R)
• M4: 733,329 km (0.08 R)
• M5: 1,030,281 km (0.098 R)
• M6: 2,133,415 km (0.116 R)
• M7: 2,886,641 km (0.11 R)
• M8: 3,724,089 km (0.072 R)
• M9: 3,990,523 km (0.041 R)
• M10: 4,502,148 km (0.089 R)
• M11: 7,395,820 km (0.111 R)
• M12: 7,731,368 km (0.062 R)
• M13: 8,253,614 km (0.073 R)
• M14: 8,798,898 km (0.059 R)
• M15: 9,416,588 km (0.082 R)
• M16: 10,579,113 km (0.113 R)
• M17: 11,553,444 km (0.085 R)
• M18: 13,246,443 km (0.088 R)
• M19: 16,541,785 km (0.106 R)
• M20: 17,553,814 km (0.1 R)
• M21: 17,701,766 km (0.118 R)
• M22: 19,780,279 km (0.088 R)
• M23: 20,507,923 km (0.096 R)
• M24: 21,002,643 km (0.059 R)
• M25: 22,534,825 km (0.104 R)
• M26: 22,885,183 km (0.073 R)
• M27: 23,867,293 km (0.034 R)
• M28: 25,819,844 km (0.119 R)
• M29: 26,011,180 km (0.094 R)
• M30: 32,311,345 km (0.093 R)
• M31: 36,588,946 km (0.108 R)
• M32: 37,561,033 km (0.1 R)
• M33: 39,303,250 km (0.077 R)
• M34: 39,683,528 km (0.103 R)
• M35: 47,238,968 km (0.087 R)
• M36: 48,101,251 km (0.027 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.6

Radius: 8

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.7 AU - 8.84 AU

Year: 14208 Days

Day: 18.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,936,692 km

• M1: 99,483 km (0.105 R)
• M2: 625,917 km (0.096 R)
• M3: 1,468,004 km (0.072 R)
• M4: 2,877,814 km (0.043 R)
• M5: 3,210,819 km (0.088 R)
• M6: 4,199,063 km (0.102 R)
• M7: 4,993,427 km (0.089 R)
• M8: 6,422,835 km (0.082 R)
• M9: 8,063,325 km (0.038 R)
• M10: 9,143,721 km (0.101 R)
• M11: 10,165,774 km (0.113 R)
• M12: 11,589,347 km (0.095 R)
• M13: 14,632,617 km (0.049 R)
• M14: 16,233,613 km (0.072 R)
• M15: 21,985,950 km (0.087 R)
• M16: 28,559,879 km (0.034 R)
• M17: 29,994,672 km (0.102 R)
• M18: 40,129,928 km (0.048 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 18,195 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit