🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.4 AU - 0.64 AU

Year: 242 Days

Day: 29.4 Hours

Environment

Temp: -120 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.6

Radius: 7

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.73 AU - 7.33 AU

Year: 10774 Days

Day: 24 Hours

Environment

Temp: -224 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,035,680 km

• M1: 88,412 km (0.057 R)
• M2: 585,975 km (0.076 R)
• M3: 1,411,606 km (0.066 R)
• M4: 1,771,089 km (0.034 R)
• M5: 2,027,799 km (0.095 R)
• M6: 4,668,800 km (0.069 R)
• M7: 4,984,302 km (0.11 R)
• M8: 7,110,985 km (0.07 R)
• M9: 8,126,007 km (0.096 R)
• M10: 11,131,278 km (0.114 R)
• M11: 15,361,757 km (0.098 R)
• M12: 15,740,389 km (0.103 R)
• M13: 17,797,060 km (0.106 R)
• M14: 18,853,670 km (0.091 R)
• M15: 19,142,394 km (0.053 R)
• M16: 19,360,956 km (0.109 R)
• M17: 22,435,193 km (0.058 R)
• M18: 24,427,986 km (0.039 R)
• M19: 24,685,145 km (0.12 R)
• M20: 26,265,945 km (0.091 R)
• M21: 27,264,511 km (0.09 R)
• M22: 29,048,765 km (0.069 R)
• M23: 31,614,368 km (0.105 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.7

Radius: 5.6

Gravity: 26.3 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.08 AU - 8.94 AU

Year: 16029 Days

Day: 18 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,035,680 km

• M1: 71,358 km (0.093 R)
• M2: 476,619 km (0.096 R)
• M3: 853,755 km (0.096 R)
• M4: 2,209,112 km (0.098 R)
• M5: 2,599,861 km (0.039 R)
• M6: 2,984,777 km (0.115 R)
• M7: 3,690,430 km (0.058 R)
• M8: 5,056,408 km (0.056 R)
• M9: 7,689,779 km (0.057 R)
• M10: 11,614,629 km (0.077 R)
• M11: 11,868,796 km (0.104 R)
• M12: 12,388,349 km (0.111 R)
• M13: 14,545,401 km (0.083 R)
• M14: 14,915,207 km (0.05 R)
• M15: 17,850,168 km (0.08 R)
• M16: 19,676,159 km (0.091 R)
• M17: 22,990,051 km (0.075 R)
• M18: 27,886,539 km (0.092 R)
• M19: 30,697,483 km (0.041 R)
• M20: 31,183,527 km (0.101 R)
• M21: 38,680,025 km (0.069 R)
• M22: 48,267,903 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.5

Radius: 5.8

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 8.79 AU - 11.85 AU

Year: 21406 Days

Day: 24.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 126.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,035,680 km

• M1: 102,475 km (0.057 R)
• M2: 356,043 km (0.104 R)
• M3: 1,173,595 km (0.117 R)
• M4: 1,696,290 km (0.061 R)
• M5: 2,502,174 km (0.096 R)
• M6: 3,024,420 km (0.096 R)
• M7: 4,195,622 km (0.105 R)
• M8: 4,553,011 km (0.09 R)
• M9: 4,802,540 km (0.108 R)
• M10: 5,641,485 km (0.096 R)
• M11: 6,265,159 km (0.102 R)
• M12: 8,740,555 km (0.109 R)
• M13: 10,675,454 km (0.052 R)
• M14: 12,817,396 km (0.096 R)
• M15: 18,006,049 km (0.088 R)
• M16: 20,760,594 km (0.104 R)
• M17: 21,188,145 km (0.074 R)
• M18: 22,775,528 km (0.059 R)
• M19: 22,956,691 km (0.083 R)
• M20: 23,230,156 km (0.108 R)
• M21: 30,137,538 km (0.053 R)
• M22: 31,017,473 km (0.096 R)
• M23: 39,983,920 km (0.11 R)
• M24: 44,768,509 km (0.11 R)
• M25: 52,088,034 km (0.091 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: 366 - 13,026 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit