🌌 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: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.2

Radius: 9.9

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.56 AU - 0.66 AU

Year: 335 Days

Day: 9.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 178.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,725,155 km

• M1: 124,615 km (0.062 R)
• M2: 487,240 km (0.097 R)
• M3: 1,334,263 km (0.074 R)
• M4: 1,774,979 km (0.08 R)
• M5: 2,086,442 km (0.101 R)
• M6: 2,443,532 km (0.062 R)
• M7: 3,109,541 km (0.105 R)
• M8: 3,497,149 km (0.098 R)
• M9: 4,329,961 km (0.103 R)
• M10: 4,901,574 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.8

Radius: 8.8

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.39 AU - 2.01 AU

Year: 1558 Days

Day: 5.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,725,155 km

• M1: 109,506 km (0.086 R)
• M2: 543,788 km (0.047 R)
• M3: 851,062 km (0.09 R)
• M4: 1,292,226 km (0.062 R)
• M5: 1,624,334 km (0.036 R)
• M6: 2,164,232 km (0.112 R)
• M7: 3,050,749 km (0.119 R)
• M8: 3,906,898 km (0.103 R)
• M9: 5,563,844 km (0.047 R)
• M10: 6,132,166 km (0.083 R)
• M11: 8,374,190 km (0.098 R)
• M12: 8,656,182 km (0.078 R)
• M13: 10,258,674 km (0.096 R)
• M14: 11,766,920 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.9

Radius: 10.5

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.9 AU - 2.22 AU

Year: 2078 Days

Day: 5.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,725,155 km

• M1: 130,898 km (0.069 R)
• M2: 477,068 km (0.078 R)
• M3: 890,407 km (0.092 R)
• M4: 1,232,836 km (0.094 R)
• M5: 1,565,093 km (0.11 R)
• M6: 2,028,098 km (0.119 R)
• M7: 2,417,502 km (0.101 R)
• M8: 2,753,050 km (0.068 R)
• M9: 3,589,302 km (0.109 R)
• M10: 6,655,011 km (0.073 R)
• M11: 7,292,148 km (0.073 R)
• M12: 9,899,789 km (0.117 R)
• M13: 11,030,150 km (0.092 R)
• M14: 11,528,910 km (0.113 R)
• M15: 11,922,801 km (0.081 R)
• M16: 12,571,756 km (0.066 R)
• M17: 13,502,405 km (0.073 R)
• M18: 14,706,518 km (0.066 R)
• M19: 16,224,637 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.6

Radius: 9.9

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.77 AU - 2.89 AU

Year: 2500 Days

Day: 10.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,725,155 km

• M1: 123,119 km (0.094 R)
• M2: 448,794 km (0.109 R)
• M3: 894,894 km (0.098 R)
• M4: 1,269,637 km (0.052 R)
• M5: 1,741,319 km (0.077 R)
• M6: 2,956,952 km (0.089 R)
• M7: 3,641,511 km (0.058 R)
• M8: 4,381,871 km (0.08 R)
• M9: 4,730,883 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.1

Radius: 14.5

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.51 AU - 4.55 AU

Year: 5687 Days

Day: 9.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,725,155 km

• M1: 180,265 km (0.084 R)
• M2: 951,592 km (0.102 R)
• M3: 1,760,468 km (0.096 R)
• M4: 2,424,533 km (0.088 R)
• M5: 3,141,854 km (0.103 R)
• M6: 7,189,374 km (0.036 R)
• M7: 7,823,071 km (0.118 R)
• M8: 9,164,814 km (0.118 R)
• M9: 11,886,000 km (0.079 R)
• M10: 17,593,906 km (0.103 R)
• M11: 21,476,719 km (0.062 R)
• M12: 25,743,849 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.2

Radius: 13.7

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.21 AU - 4.57 AU

Year: 6466 Days

Day: 14.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,725,155 km

• M1: 170,392 km (0.079 R)
• M2: 1,679,386 km (0.064 R)
• M3: 2,852,981 km (0.03 R)
• M4: 3,444,042 km (0.069 R)
• M5: 4,323,827 km (0.099 R)
• M6: 5,275,419 km (0.119 R)
• M7: 9,475,080 km (0.09 R)
• M8: 13,213,830 km (0.113 R)
• M9: 15,160,099 km (0.079 R)
• M10: 18,343,541 km (0.061 R)
• M11: 19,321,014 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.2

Radius: 11.7

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.14 AU - 6.56 AU

Year: 8698 Days

Day: 6.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,725,155 km

• M1: 145,559 km (0.085 R)
• M2: 682,316 km (0.11 R)
• M3: 2,102,448 km (0.089 R)
• M4: 3,253,155 km (0.07 R)
• M5: 4,205,196 km (0.114 R)
• M6: 5,334,062 km (0.115 R)
• M7: 7,719,549 km (0.112 R)
• M8: 8,514,961 km (0.068 R)
• M9: 11,276,239 km (0.076 R)
• M10: 13,133,047 km (0.094 R)
• M11: 13,640,334 km (0.097 R)
• M12: 16,375,581 km (0.101 R)
• M13: 17,626,519 km (0.113 R)
• M14: 20,318,233 km (0.074 R)
• M15: 25,944,609 km (0.11 R)
• M16: 27,725,123 km (0.065 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 14,470 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit