🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.63 AU - 0.63 AU

Year: 328 Days

Day: 20.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.2

Radius: 14.3

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.76 AU - 0.8 AU

Year: 452 Days

Day: 12.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,692,007 km

• M1: 177,872 km (0.1 R)
• M2: 704,905 km (0.057 R)
• M3: 1,242,859 km (0.119 R)
• M4: 1,899,594 km (0.073 R)
• M5: 2,410,171 km (0.111 R)
• M6: 3,163,247 km (0.101 R)
• M7: 3,692,225 km (0.118 R)
• M8: 4,155,230 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.3

Radius: 13.3

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.97 AU - 1.47 AU

Year: 884 Days

Day: 11.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,692,007 km

• M1: 165,455 km (0.076 R)
• M2: 673,340 km (0.099 R)
• M3: 1,131,110 km (0.081 R)
• M4: 1,684,921 km (0.115 R)
• M5: 2,099,756 km (0.111 R)
• M6: 2,538,975 km (0.12 R)
• M7: 4,117,532 km (0.11 R)
• M8: 4,710,239 km (0.061 R)
• M9: 5,864,835 km (0.081 R)
• M10: 6,359,555 km (0.089 R)
• M11: 8,703,006 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778

Radius: 8.6

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.57 AU - 2.25 AU

Year: 1732 Days

Day: 6.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 127.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,692,007 km

• M1: 108,309 km (0.078 R)
• M2: 467,942 km (0.082 R)
• M3: 960,269 km (0.084 R)
• M4: 1,485,058 km (0.12 R)
• M5: 3,055,686 km (0.039 R)
• M6: 3,340,820 km (0.043 R)
• M7: 3,802,179 km (0.067 R)
• M8: 4,644,565 km (0.096 R)
• M9: 5,066,431 km (0.039 R)
• M10: 5,490,691 km (0.104 R)
• M11: 7,233,955 km (0.099 R)
• M12: 7,948,135 km (0.09 R)
• M13: 10,730,057 km (0.091 R)
• M14: 11,021,474 km (0.088 R)
• M15: 11,318,126 km (0.106 R)
• M16: 12,043,975 km (0.083 R)
• M17: 13,844,086 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.1

Radius: 10.7

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.27 AU - 3.31 AU

Year: 3057 Days

Day: 9.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,692,007 km

• M1: 133,142 km (0.089 R)
• M2: 496,665 km (0.113 R)
• M3: 862,432 km (0.035 R)
• M4: 1,202,617 km (0.088 R)
• M5: 2,119,353 km (0.065 R)
• M6: 2,835,328 km (0.091 R)
• M7: 3,327,505 km (0.109 R)
• M8: 3,837,784 km (0.106 R)
• M9: 6,695,851 km (0.108 R)
• M10: 7,242,482 km (0.098 R)
• M11: 8,790,371 km (0.118 R)
• M12: 9,305,586 km (0.062 R)
• M13: 9,913,701 km (0.095 R)
• M14: 10,509,998 km (0.054 R)
• M15: 11,449,323 km (0.027 R)
• M16: 13,270,827 km (0.087 R)
• M17: 15,822,368 km (0.11 R)
• M18: 16,741,049 km (0.068 R)
• M19: 17,587,025 km (0.098 R)
• M20: 19,022,416 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.3

Radius: 13.5

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.45 AU - 4.45 AU

Year: 6158 Days

Day: 9.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,692,007 km

• M1: 168,746 km (0.115 R)
• M2: 907,012 km (0.097 R)
• M3: 1,358,349 km (0.101 R)
• M4: 2,257,133 km (0.108 R)
• M5: 2,840,116 km (0.107 R)
• M6: 3,820,430 km (0.084 R)
• M7: 4,261,295 km (0.116 R)
• M8: 4,708,892 km (0.072 R)
• M9: 5,576,261 km (0.08 R)
• M10: 6,244,963 km (0.097 R)
• M11: 7,074,184 km (0.116 R)
• M12: 9,037,058 km (0.113 R)
• M13: 11,640,958 km (0.079 R)
• M14: 12,363,217 km (0.094 R)
• M15: 14,011,636 km (0.111 R)
• M16: 15,989,469 km (0.093 R)
• M17: 16,947,344 km (0.087 R)
• M18: 17,741,111 km (0.096 R)
• M19: 19,617,367 km (0.068 R)
• M20: 21,317,397 km (0.03 R)
• M21: 21,931,197 km (0.09 R)
• M22: 23,925,337 km (0.115 R)
• M23: 24,671,980 km (0.102 R)
• M24: 25,605,770 km (0.067 R)
• M25: 27,273,786 km (0.083 R)
• M26: 29,957,722 km (0.034 R)
• M27: 31,118,302 km (0.045 R)
• M28: 32,308,503 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.2

Radius: 5.9

Gravity: 16.75 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 6.24 AU - 7.48 AU

Year: 11787 Days

Day: 17.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,692,007 km

• M1: 73,453 km (0.088 R)
• M2: 288,574 km (0.111 R)
• M3: 627,264 km (0.113 R)
• M4: 912,697 km (0.04 R)
• M5: 1,359,695 km (0.063 R)
• M6: 1,655,450 km (0.085 R)
• M7: 2,080,458 km (0.039 R)
• M8: 2,299,918 km (0.074 R)
• M9: 3,511,212 km (0.062 R)
• M10: 4,326,670 km (0.051 R)
• M11: 4,594,300 km (0.102 R)
• M12: 4,778,904 km (0.117 R)
• M13: 8,726,792 km (0.05 R)
• M14: 9,058,450 km (0.096 R)
• M15: 9,447,554 km (0.102 R)
• M16: 14,232,741 km (0.102 R)
• M17: 14,692,306 km (0.106 R)
• M18: 15,502,977 km (0.079 R)
• M19: 16,343,119 km (0.065 R)
• M20: 17,659,729 km (0.097 R)
• M21: 18,809,688 km (0.057 R)
• M22: 19,124,592 km (0.098 R)
• M23: 19,363,051 km (0.079 R)
• M24: 22,381,637 km (0.091 R)
• M25: 23,910,228 km (0.119 R)
• M26: 33,176,469 km (0.088 R)
• M27: 34,686,211 km (0.083 R)
• M28: 37,842,128 km (0.101 R)
• M29: 41,052,049 km (0.084 R)
• M30: 44,161,441 km (0.05 R)
• M31: 46,414,684 km (0.076 R)
• M32: 46,845,526 km (0.092 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 14,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit