🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.8

Radius: 13.6

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.6 AU - 0.8 AU

Year: 404 Days

Day: 5.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,583,906 km

• M1: 169,195 km (0.074 R)
• M2: 601,533 km (0.041 R)
• M3: 1,124,976 km (0.084 R)
• M4: 1,753,736 km (0.1 R)
• M5: 2,251,298 km (0.117 R)
• M6: 2,921,048 km (0.092 R)
• M7: 3,538,588 km (0.09 R)
• M8: 4,179,166 km (0.095 R)
• M9: 4,621,527 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.8

Radius: 9.4

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.71 AU - 0.95 AU

Year: 522 Days

Day: 12.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,583,906 km

• M1: 116,986 km (0.085 R)
• M2: 518,057 km (0.059 R)
• M3: 1,117,496 km (0.109 R)
• M4: 1,445,265 km (0.039 R)
• M5: 1,738,028 km (0.094 R)
• M6: 2,078,513 km (0.114 R)
• M7: 2,547,801 km (0.057 R)
• M8: 3,936,668 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.4

Radius: 15

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.76 AU - 1.1 AU

Year: 619 Days

Day: 14.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,583,906 km

• M1: 186,549 km (0.062 R)
• M2: 724,502 km (0.08 R)
• M3: 1,224,907 km (0.055 R)
• M4: 1,729,651 km (0.107 R)
• M5: 2,325,349 km (0.082 R)
• M6: 2,925,536 km (0.041 R)
• M7: 3,853,641 km (0.099 R)
• M8: 4,332,803 km (0.102 R)
• M9: 5,144,372 km (0.111 R)
• M10: 5,633,706 km (0.09 R)
• M11: 6,749,407 km (0.094 R)
• M12: 7,360,215 km (0.109 R)
• M13: 7,912,979 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754

Radius: 10.7

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.85 AU - 1.03 AU

Year: 629 Days

Day: 14.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,583,906 km

• M1: 133,292 km (0.085 R)
• M2: 513,420 km (0.102 R)
• M3: 1,021,903 km (0.1 R)
• M4: 1,923,081 km (0.118 R)
• M5: 2,355,418 km (0.117 R)
• M6: 3,102,061 km (0.103 R)
• M7: 4,162,262 km (0.104 R)
• M8: 4,661,470 km (0.072 R)
• M9: 5,252,980 km (0.115 R)
• M10: 5,612,912 km (0.101 R)
• M11: 6,243,168 km (0.077 R)
• M12: 6,814,333 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559

Radius: 8.9

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.85 AU - 3.71 AU

Year: 4100 Days

Day: 11.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,583,906 km

• M1: 111,002 km (0.039 R)
• M2: 481,556 km (0.032 R)
• M3: 947,852 km (0.066 R)
• M4: 2,279,423 km (0.098 R)
• M5: 2,633,521 km (0.045 R)
• M6: 3,511,660 km (0.055 R)
• M7: 4,838,594 km (0.111 R)
• M8: 5,891,613 km (0.118 R)
• M9: 6,382,743 km (0.12 R)
• M10: 8,919,474 km (0.059 R)
• M11: 9,220,614 km (0.093 R)
• M12: 10,369,676 km (0.08 R)
• M13: 11,655,918 km (0.096 R)
• M14: 12,016,150 km (0.062 R)
• M15: 13,980,819 km (0.059 R)
• M16: 14,439,186 km (0.025 R)
• M17: 14,750,200 km (0.084 R)
• M18: 15,118,810 km (0.058 R)
• M19: 15,765,072 km (0.102 R)
• M20: 16,882,868 km (0.034 R)
• M21: 19,907,138 km (0.084 R)
• M22: 21,012,816 km (0.088 R)
• M23: 21,614,349 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.5

Radius: 6

Gravity: 22.29 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.36 AU - 7.42 AU

Year: 12484 Days

Day: 23.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 58,583,906 km

• M1: 74,649 km (0.114 R)
• M2: 427,401 km (0.04 R)
• M3: 632,051 km (0.097 R)
• M4: 853,456 km (0.112 R)
• M5: 1,226,254 km (0.107 R)
• M6: 1,472,342 km (0.091 R)
• M7: 2,415,108 km (0.106 R)
• M8: 2,670,172 km (0.113 R)
• M9: 3,014,397 km (0.078 R)
• M10: 3,361,763 km (0.045 R)
• M11: 3,653,180 km (0.081 R)
• M12: 4,726,545 km (0.12 R)
• M13: 4,991,034 km (0.117 R)
• M14: 6,384,837 km (0.07 R)
• M15: 9,084,480 km (0.097 R)
• M16: 11,024,615 km (0.047 R)
• M17: 11,490,463 km (0.074 R)
• M18: 11,908,888 km (0.096 R)
• M19: 12,524,035 km (0.05 R)
• M20: 13,552,071 km (0.114 R)
• M21: 14,222,419 km (0.108 R)
• M22: 15,847,950 km (0.07 R)
• M23: 16,895,733 km (0.106 R)
• M24: 19,463,132 km (0.111 R)
• M25: 21,913,096 km (0.059 R)
• M26: 23,496,739 km (0.104 R)
• M27: 23,687,925 km (0.093 R)
• M28: 26,475,083 km (0.116 R)
• M29: 28,269,659 km (0.104 R)
• M30: 29,362,322 km (0.078 R)
• M31: 29,695,626 km (0.082 R)
• M32: 33,650,545 km (0.118 R)
• M33: 37,550,113 km (0.117 R)
• M34: 42,020,995 km (0.08 R)
• M35: 53,144,793 km (0.116 R)
• M36: 55,650,408 km (0.097 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: 241 - 16,679 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit