🌌 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: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.3

Radius: 10

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.67 AU - 0.81 AU

Year: 447 Days

Day: 9.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,370,944 km

• M1: 124,465 km (0.11 R)
• M2: 456,722 km (0.119 R)
• M3: 843,732 km (0.094 R)
• M4: 1,433,447 km (0.097 R)
• M5: 1,837,511 km (0.082 R)
• M6: 2,198,790 km (0.115 R)
• M7: 2,547,502 km (0.089 R)
• M8: 3,055,387 km (0.088 R)
• M9: 3,394,076 km (0.059 R)
• M10: 4,535,209 km (0.069 R)
• M11: 4,962,311 km (0.063 R)
• M12: 5,416,191 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.9

Radius: 9.1

Gravity: 10.02 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.82 AU - 0.84 AU

Year: 532 Days

Day: 6.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,370,944 km

• M1: 113,395 km (0.091 R)
• M2: 439,369 km (0.051 R)
• M3: 761,154 km (0.096 R)
• M4: 1,257,968 km (0.114 R)
• M5: 1,551,330 km (0.11 R)
• M6: 1,874,312 km (0.11 R)
• M7: 2,204,175 km (0.117 R)
• M8: 2,647,434 km (0.119 R)
• M9: 3,017,987 km (0.107 R)
• M10: 3,948,337 km (0.112 R)
• M11: 4,267,728 km (0.067 R)
• M12: 4,683,461 km (0.083 R)
• M13: 5,314,016 km (0.106 R)
• M14: 5,851,072 km (0.116 R)
• M15: 6,209,658 km (0.1 R)
• M16: 6,562,709 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.4

Radius: 8.6

Gravity: 11.3 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.9 AU - 1.34 AU

Year: 833 Days

Day: 14 Hours

Environment

Temp: -171 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,370,944 km

• M1: 107,112 km (0.068 R)
• M2: 435,629 km (0.089 R)
• M3: 896,839 km (0.105 R)
• M4: 1,189,004 km (0.095 R)
• M5: 1,570,030 km (0.059 R)
• M6: 2,001,919 km (0.104 R)
• M7: 2,321,759 km (0.093 R)
• M8: 2,592,681 km (0.061 R)
• M9: 3,039,081 km (0.057 R)
• M10: 3,789,015 km (0.064 R)
• M11: 4,888,858 km (0.109 R)
• M12: 5,473,487 km (0.088 R)
• M13: 5,874,858 km (0.108 R)
• M14: 6,513,491 km (0.084 R)
• M15: 7,630,838 km (0.1 R)
• M16: 8,004,832 km (0.09 R)
• M17: 8,338,885 km (0.079 R)
• M18: 8,789,772 km (0.108 R)
• M19: 9,090,015 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598

Radius: 14.5

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.74 AU - 2.1 AU

Year: 1870 Days

Day: 14.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,370,944 km

• M1: 180,565 km (0.08 R)
• M2: 674,537 km (0.107 R)
• M3: 1,238,222 km (0.109 R)
• M4: 1,889,870 km (0.095 R)
• M5: 2,576,225 km (0.084 R)
• M6: 3,377,322 km (0.08 R)
• M7: 4,060,236 km (0.026 R)
• M8: 5,750,841 km (0.066 R)
• M9: 6,300,314 km (0.081 R)
• M10: 7,987,928 km (0.11 R)
• M11: 10,509,250 km (0.117 R)
• M12: 11,407,436 km (0.084 R)
• M13: 11,894,377 km (0.075 R)
• M14: 14,153,455 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.5

Radius: 14.1

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.91 AU - 3.03 AU

Year: 2729 Days

Day: 5.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,370,944 km

• M1: 175,329 km (0.094 R)
• M2: 630,854 km (0.107 R)
• M3: 1,738,926 km (0.051 R)
• M4: 2,507,410 km (0.062 R)
• M5: 3,635,677 km (0.092 R)
• M6: 5,944,571 km (0.119 R)
• M7: 6,711,110 km (0.088 R)
• M8: 10,831,035 km (0.107 R)
• M9: 11,652,477 km (0.073 R)
• M10: 17,958,626 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.8

Radius: 10.4

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.39 AU - 5.47 AU

Year: 6554 Days

Day: 12.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,370,944 km

• M1: 129,402 km (0.075 R)
• M2: 780,602 km (0.119 R)
• M3: 1,126,173 km (0.097 R)
• M4: 1,588,729 km (0.114 R)
• M5: 1,994,588 km (0.074 R)
• M6: 2,469,412 km (0.109 R)
• M7: 2,999,138 km (0.069 R)
• M8: 3,428,933 km (0.109 R)
• M9: 3,829,855 km (0.11 R)
• M10: 4,362,424 km (0.102 R)
• M11: 4,699,767 km (0.077 R)
• M12: 5,253,279 km (0.111 R)
• M13: 5,911,659 km (0.109 R)
• M14: 7,761,886 km (0.035 R)
• M15: 9,532,376 km (0.099 R)
• M16: 10,014,081 km (0.113 R)
• M17: 11,169,575 km (0.063 R)
• M18: 14,587,288 km (0.084 R)
• M19: 17,519,706 km (0.099 R)
• M20: 28,637,371 km (0.082 R)
• M21: 29,365,164 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.1

Radius: 3.7

Gravity: 67.36 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.33 AU - 7.73 AU

Year: 13102 Days

Day: 16.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,370,944 km

• M1: 46,824 km (0.092 R)
• M2: 169,644 km (0.083 R)
• M3: 320,289 km (0.058 R)
• M4: 453,431 km (0.064 R)
• M5: 720,314 km (0.074 R)
• M6: 1,000,211 km (0.109 R)
• M7: 1,496,577 km (0.054 R)
• M8: 1,772,884 km (0.03 R)
• M9: 2,426,777 km (0.084 R)
• M10: 2,601,357 km (0.034 R)
• M11: 3,493,409 km (0.066 R)
• M12: 4,038,395 km (0.078 R)
• M13: 4,506,935 km (0.118 R)
• M14: 5,222,611 km (0.063 R)
• M15: 6,010,992 km (0.116 R)
• M16: 6,620,603 km (0.113 R)
• M17: 6,918,752 km (0.101 R)
• M18: 7,405,244 km (0.047 R)
• M19: 8,396,779 km (0.057 R)
• M20: 9,157,035 km (0.078 R)
• M21: 9,527,140 km (0.092 R)
• M22: 10,871,726 km (0.077 R)
• M23: 11,528,162 km (0.115 R)
• M24: 13,587,825 km (0.117 R)
• M25: 14,208,507 km (0.072 R)
• M26: 20,578,683 km (0.119 R)
• M27: 24,781,934 km (0.12 R)
• M28: 25,602,928 km (0.069 R)
• M29: 26,441,872 km (0.083 R)
• M30: 38,389,058 km (0.119 R)
• M31: 46,363,970 km (0.098 R)
• M32: 47,139,336 km (0.093 R)
• M33: 47,451,846 km (0.08 R)
• M34: 50,490,478 km (0.056 R)
• M35: 62,802,682 km (0.109 R)
• M36: 62,991,774 km (0.108 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 10,699 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit