🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783

Radius: 11.1

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.18 AU - 1.64 AU

Year: 1116 Days

Day: 8.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,487,349 km

• M1: 138,079 km (0.087 R)
• M2: 634,594 km (0.045 R)
• M3: 1,057,358 km (0.04 R)
• M4: 1,530,685 km (0.109 R)
• M5: 1,876,705 km (0.118 R)
• M6: 2,298,272 km (0.107 R)
• M7: 2,808,999 km (0.051 R)
• M8: 3,247,919 km (0.041 R)
• M9: 4,178,717 km (0.065 R)
• M10: 5,040,551 km (0.102 R)
• M11: 5,692,648 km (0.065 R)
• M12: 6,127,978 km (0.107 R)
• M13: 7,909,838 km (0.078 R)
• M14: 8,762,546 km (0.119 R)
• M15: 9,314,711 km (0.112 R)
• M16: 10,520,919 km (0.077 R)
• M17: 11,517,540 km (0.028 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.9

Radius: 12.2

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.41 AU - 1.45 AU

Year: 1140 Days

Day: 6.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,487,349 km

• M1: 151,692 km (0.078 R)
• M2: 584,778 km (0.118 R)
• M3: 974,780 km (0.061 R)
• M4: 3,373,582 km (0.097 R)
• M5: 3,812,352 km (0.116 R)
• M6: 4,227,486 km (0.05 R)
• M7: 6,842,307 km (0.115 R)
• M8: 7,527,017 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.2

Radius: 13.7

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.62 AU - 1.96 AU

Year: 1597 Days

Day: 10 Hours

Environment

Temp: -188 °C

Axial Tilt: 127.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,487,349 km

• M1: 170,392 km (0.088 R)
• M2: 695,630 km (0.107 R)
• M3: 1,361,640 km (0.032 R)
• M4: 1,789,639 km (0.085 R)
• M5: 2,359,308 km (0.034 R)
• M6: 3,281,130 km (0.092 R)
• M7: 3,942,053 km (0.087 R)
• M8: 4,549,421 km (0.081 R)
• M9: 6,548,497 km (0.08 R)
• M10: 8,332,302 km (0.033 R)
• M11: 8,762,246 km (0.104 R)
• M12: 10,108,029 km (0.117 R)
• M13: 10,884,741 km (0.031 R)
• M14: 11,662,949 km (0.084 R)
• M15: 12,879,329 km (0.078 R)
• M16: 15,062,262 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.4

Radius: 14

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.77 AU - 6.45 AU

Year: 8861 Days

Day: 9.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 20,487,349 km

• M1: 185,053 km (0.088 R)
• M2: 825,930 km (0.108 R)
• M3: 1,261,260 km (0.091 R)
• M4: 2,522,519 km (0.105 R)
• M5: 3,117,470 km (0.081 R)
• M6: 4,650,549 km (0.084 R)
• M7: 5,388,515 km (0.118 R)
• M8: 6,062,005 km (0.107 R)
• M9: 6,753,297 km (0.087 R)
• M10: 8,826,424 km (0.105 R)
• M11: 9,812,872 km (0.104 R)
• M12: 10,257,776 km (0.103 R)
• M13: 10,767,756 km (0.09 R)
• M14: 12,230,224 km (0.115 R)
• M15: 12,745,888 km (0.098 R)
• M16: 14,006,250 km (0.055 R)
• M17: 14,891,570 km (0.101 R)
• M18: 16,220,748 km (0.079 R)
• M19: 16,704,098 km (0.115 R)
• M20: 17,268,381 km (0.079 R)
• M21: 17,772,526 km (0.115 R)
• M22: 19,653,869 km (0.114 R)
• M23: 23,544,910 km (0.079 R)
• M24: 25,811,018 km (0.114 R)
• M25: 29,528,525 km (0.06 R)
• M26: 33,366,758 km (0.106 R)
• M27: 34,262,849 km (0.071 R)
• M28: 40,863,257 km (0.078 R)
• M29: 45,477,902 km (0.072 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.9

Radius: 5.1

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.75 AU - 7.55 AU

Year: 11436 Days

Day: 23.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,487,349 km

• M1: 63,579 km (0.09 R)
• M2: 460,911 km (0.099 R)
• M3: 1,642,435 km (0.099 R)
• M4: 2,481,081 km (0.065 R)
• M5: 3,052,694 km (0.077 R)
• M6: 4,194,425 km (0.078 R)
• M7: 4,519,202 km (0.069 R)
• M8: 6,206,217 km (0.119 R)
• M9: 6,860,708 km (0.058 R)
• M10: 7,623,208 km (0.117 R)
• M11: 10,403,335 km (0.037 R)
• M12: 11,119,759 km (0.078 R)
• M13: 12,430,087 km (0.093 R)
• M14: 13,236,270 km (0.117 R)
• M15: 19,641,452 km (0.096 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 16,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit