🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.5

Radius: 9.1

Gravity: 10.6 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.46 AU - 0.66 AU

Year: 279 Days

Day: 10.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,411,702 km

• M1: 118,482 km (0.098 R)
• M2: 452,534 km (0.078 R)
• M3: 813,962 km (0.097 R)
• M4: 1,228,797 km (0.077 R)
• M5: 1,546,393 km (0.114 R)
• M6: 2,275,234 km (0.089 R)
• M7: 2,628,435 km (0.079 R)
• M8: 3,142,602 km (0.076 R)
• M9: 3,457,656 km (0.076 R)
• M10: 4,075,944 km (0.075 R)
• M11: 4,613,748 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.4

Radius: 11.3

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.55 AU - 0.89 AU

Year: 407 Days

Day: 13.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,411,702 km

• M1: 140,921 km (0.117 R)
• M2: 639,082 km (0.102 R)
• M3: 1,165,966 km (0.047 R)
• M4: 1,760,318 km (0.116 R)
• M5: 2,436,501 km (0.101 R)
• M6: 3,035,341 km (0.109 R)
• M7: 3,559,083 km (0.104 R)
• M8: 4,599,686 km (0.107 R)
• M9: 5,245,799 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.9

Radius: 11.4

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.97 AU - 1.35 AU

Year: 833 Days

Day: 11.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,411,702 km

• M1: 142,268 km (0.115 R)
• M2: 506,987 km (0.113 R)
• M3: 902,524 km (0.111 R)
• M4: 1,298,510 km (0.073 R)
• M5: 1,829,582 km (0.109 R)
• M6: 2,271,644 km (0.086 R)
• M7: 2,680,794 km (0.069 R)
• M8: 3,778,543 km (0.075 R)
• M9: 4,502,896 km (0.052 R)
• M10: 5,372,808 km (0.078 R)
• M11: 6,392,766 km (0.034 R)
• M12: 7,421,700 km (0.102 R)
• M13: 8,060,932 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.9

Radius: 10.9

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.27 AU - 1.31 AU

Year: 977 Days

Day: 8.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 38,411,702 km

• M1: 135,685 km (0.037 R)
• M2: 1,193,492 km (0.071 R)
• M3: 1,581,698 km (0.093 R)
• M4: 2,564,407 km (0.079 R)
• M5: 3,436,263 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.7

Radius: 12.5

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.14 AU - 1.6 AU

Year: 1069 Days

Day: 7 Hours

Environment

Temp: -182 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,411,702 km

• M1: 155,432 km (0.042 R)
• M2: 644,019 km (0.11 R)
• M3: 1,546,992 km (0.057 R)
• M4: 2,376,213 km (0.102 R)
• M5: 2,860,760 km (0.084 R)
• M6: 3,326,309 km (0.12 R)
• M7: 3,920,362 km (0.108 R)
• M8: 5,168,457 km (0.103 R)
• M9: 5,558,309 km (0.073 R)
• M10: 6,094,767 km (0.1 R)
• M11: 8,146,053 km (0.054 R)
• M12: 9,229,291 km (0.092 R)
• M13: 10,284,405 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.4

Radius: 13.3

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.42 AU - 1.7 AU

Year: 1299 Days

Day: 9.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,411,702 km

• M1: 166,802 km (0.103 R)
• M2: 588,219 km (0.116 R)
• M3: 1,009,636 km (0.036 R)
• M4: 1,873,265 km (0.115 R)
• M5: 2,360,206 km (0.114 R)
• M6: 2,823,809 km (0.096 R)
• M7: 3,363,409 km (0.034 R)
• M8: 4,005,633 km (0.116 R)
• M9: 4,844,129 km (0.09 R)
• M10: 6,178,841 km (0.052 R)
• M11: 7,069,846 km (0.065 R)
• M12: 7,826,661 km (0.09 R)
• M13: 8,407,999 km (0.116 R)
• M14: 9,719,673 km (0.08 R)
• M15: 11,095,076 km (0.049 R)
• M16: 12,300,535 km (0.075 R)

Asteroid Belt

Center: 3.7 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398

Radius: 3.1

Gravity: 41.42 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.5 AU - 7.18 AU

Year: 9411 Days

Day: 23.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 38,411,702 km

• M1: 38,596 km (0.087 R)
• M2: 153,188 km (0.082 R)
• M3: 359,633 km (0.117 R)
• M4: 555,906 km (0.116 R)
• M5: 652,696 km (0.101 R)
• M6: 854,204 km (0.061 R)
• M7: 1,105,977 km (0.042 R)
• M8: 1,203,964 km (0.048 R)
• M9: 1,455,587 km (0.112 R)
• M10: 2,160,792 km (0.063 R)
• M11: 2,332,380 km (0.082 R)
• M12: 2,606,593 km (0.11 R)
• M13: 3,219,047 km (0.093 R)
• M14: 5,372,060 km (0.069 R)
• M15: 6,216,240 km (0.089 R)
• M16: 6,634,067 km (0.105 R)
• M17: 7,603,312 km (0.077 R)
• M18: 8,748,483 km (0.054 R)
• M19: 9,008,036 km (0.072 R)
• M20: 11,221,785 km (0.103 R)
• M21: 11,892,582 km (0.037 R)
• M22: 14,006,101 km (0.055 R)
• M23: 14,541,063 km (0.057 R)
• M24: 15,525,267 km (0.064 R)
• M25: 16,227,180 km (0.09 R)
• M26: 17,625,472 km (0.093 R)
• M27: 18,318,708 km (0.078 R)
• M28: 18,600,999 km (0.055 R)
• M29: 19,759,336 km (0.09 R)
• M30: 20,280,983 km (0.11 R)
• M31: 21,585,626 km (0.078 R)
• M32: 22,701,327 km (0.057 R)
• M33: 22,863,791 km (0.108 R)
• M34: 24,616,778 km (0.111 R)
• M35: 27,090,379 km (0.115 R)
• M36: 28,012,650 km (0.077 R)
• M37: 30,804,745 km (0.093 R)
• M38: 31,505,461 km (0.12 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 10,554 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit