🌌 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 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.49 AU - 0.65 AU

Year: 278 Days

Day: 41.8 Hours

Environment

Temp: -117 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.59 AU - 0.65 AU

Year: 315 Days

Day: 27.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.3

Radius: 13.3

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.67 AU - 0.95 AU

Year: 471 Days

Day: 11.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,446,362 km

• M1: 166,502 km (0.051 R)
• M2: 252,521 km (0.068 R)
• M3: 397,033 km (0.108 R)
• M4: 560,842 km (0.109 R)
• M5: 828,772 km (0.1 R)
• M6: 913,445 km (0.113 R)
• M7: 996,920 km (0.095 R)
• M8: 1,526,347 km (0.07 R)
• M9: 1,928,616 km (0.108 R)
• M10: 2,015,383 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.7

Radius: 11.4

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.85 AU - 1.39 AU

Year: 765 Days

Day: 10.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 14,446,362 km

• M1: 162,164 km (0.096 R)
• M2: 240,404 km (0.093 R)
• M3: 335,997 km (0.115 R)
• M4: 427,401 km (0.115 R)
• M5: 515,065 km (0.067 R)
• M6: 670,647 km (0.107 R)
• M7: 772,374 km (0.093 R)
• M8: 875,148 km (0.114 R)
• M9: 1,007,242 km (0.098 R)
• M10: 1,110,914 km (0.041 R)
• M11: 1,182,122 km (0.075 R)
• M12: 1,297,462 km (0.109 R)
• M13: 1,500,317 km (0.061 R)
• M14: 1,625,979 km (0.091 R)
• M15: 1,719,777 km (0.027 R)
• M16: 1,833,472 km (0.102 R)
• M17: 2,062,506 km (0.097 R)
• M18: 2,242,023 km (0.088 R)
• M19: 2,320,712 km (0.103 R)
• M20: 2,528,054 km (0.075 R)
• M21: 2,603,153 km (0.082 R)
• M22: 2,769,805 km (0.097 R)
• M23: 2,847,296 km (0.117 R)
• M24: 3,069,748 km (0.089 R)
• M25: 3,223,834 km (0.104 R)
• M26: 3,501,488 km (0.076 R)
• M27: 3,585,562 km (0.086 R)
• M28: 3,709,130 km (0.106 R)
• M29: 3,802,778 km (0.086 R)
• M30: 4,064,275 km (0.057 R)
• M31: 4,258,154 km (0.076 R)
• M32: 4,331,756 km (0.083 R)
• M33: 4,756,464 km (0.11 R)
• M34: 4,832,909 km (0.109 R)
• M35: 4,978,318 km (0.059 R)
• M36: 5,185,960 km (0.069 R)
• M37: 5,273,475 km (0.041 R)
• M38: 5,529,736 km (0.117 R)
• M39: 5,601,243 km (0.03 R)
• M40: 5,908,368 km (0.106 R)
• M41: 5,999,772 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.5

Radius: 11.4

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.46 AU - 2.48 AU

Year: 2506 Days

Day: 6.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 14,446,362 km

• M1: 170,691 km (0.072 R)
• M2: 389,852 km (0.114 R)
• M3: 502,499 km (0.102 R)
• M4: 714,180 km (0.119 R)
• M5: 899,083 km (0.087 R)
• M6: 997,818 km (0.065 R)
• M7: 1,153,250 km (0.073 R)
• M8: 1,392,607 km (0.094 R)
• M9: 1,508,545 km (0.082 R)
• M10: 1,855,313 km (0.075 R)
• M11: 2,071,183 km (0.088 R)
• M12: 2,492,301 km (0.108 R)
• M13: 2,731,208 km (0.028 R)
• M14: 3,322,120 km (0.049 R)
• M15: 3,519,140 km (0.093 R)
• M16: 3,692,973 km (0.119 R)
• M17: 3,993,665 km (0.082 R)
• M18: 4,316,796 km (0.086 R)
• M19: 4,503,195 km (0.037 R)
• M20: 4,750,929 km (0.113 R)
• M21: 5,321,047 km (0.106 R)
• M22: 5,490,242 km (0.054 R)
• M23: 5,676,790 km (0.1 R)
• M24: 5,755,180 km (0.097 R)
• M25: 5,881,291 km (0.096 R)
• M26: 6,056,171 km (0.083 R)
• M27: 6,136,355 km (0.115 R)
• M28: 6,330,084 km (0.089 R)
• M29: 6,443,928 km (0.105 R)
• M30: 6,640,949 km (0.087 R)
• M31: 6,789,948 km (0.089 R)
• M32: 6,940,144 km (0.111 R)
• M33: 7,141,952 km (0.063 R)
• M34: 7,362,908 km (0.076 R)
• M35: 7,586,258 km (0.102 R)
• M36: 7,759,492 km (0.103 R)
• M37: 8,340,530 km (0.117 R)
• M38: 8,519,449 km (0.12 R)
• M39: 8,699,565 km (0.108 R)
• M40: 8,771,970 km (0.103 R)
• M41: 9,137,139 km (0.083 R)
• M42: 9,432,894 km (0.085 R)
• M43: 10,109,824 km (0.064 R)
• M44: 10,300,561 km (0.106 R)
• M45: 10,415,752 km (0.108 R)
• M46: 10,666,478 km (0.082 R)
• M47: 10,744,119 km (0.099 R)
• M48: 11,174,213 km (0.071 R)
• M49: 11,371,533 km (0.111 R)
• M50: 11,829,900 km (0.056 R)
• M51: 12,010,764 km (0.03 R)
• M52: 12,253,562 km (0.111 R)
• M53: 13,199,319 km (0.057 R)
• M54: 13,387,065 km (0.097 R)
• M55: 13,871,014 km (0.069 R)
• M56: 14,147,022 km (0.101 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 16,763 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit