🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.11 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.68 AU - 2.76 AU

Year: 1168 Days

Day: 44 Hours

Environment

Temp: -65 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.41 AU - 4.37 AU

Year: 2709 Days

Day: 37.5 Hours

Environment

Temp: -108 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,415,193 km

• M1: 297,550 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.6

Radius: 12.2

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.97 AU - 9.69 AU

Year: 7736 Days

Day: 10.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 87,415,193 km

• M1: 151,692 km (0.114 R)
• M2: 584,180 km (0.103 R)
• M3: 1,336,208 km (0.095 R)
• M4: 1,986,361 km (0.085 R)
• M5: 2,685,282 km (0.096 R)
• M6: 3,295,791 km (0.118 R)
• M7: 4,739,859 km (0.084 R)
• M8: 5,144,521 km (0.05 R)
• M9: 5,730,646 km (0.111 R)
• M10: 6,604,746 km (0.104 R)
• M11: 7,074,035 km (0.091 R)
• M12: 7,760,838 km (0.115 R)
• M13: 8,702,407 km (0.101 R)
• M14: 9,178,877 km (0.063 R)
• M15: 13,243,600 km (0.119 R)
• M16: 14,050,830 km (0.115 R)
• M17: 14,707,715 km (0.108 R)
• M18: 15,447,775 km (0.074 R)
• M19: 17,474,527 km (0.109 R)
• M20: 19,379,507 km (0.109 R)
• M21: 20,344,413 km (0.104 R)
• M22: 21,891,105 km (0.101 R)
• M23: 22,774,481 km (0.058 R)
• M24: 27,737,091 km (0.052 R)
• M25: 30,519,312 km (0.086 R)
• M26: 34,762,955 km (0.108 R)
• M27: 35,965,123 km (0.027 R)
• M28: 36,408,980 km (0.062 R)
• M29: 36,969,075 km (0.107 R)
• M30: 37,648,847 km (0.089 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.6

Radius: 4.6

Gravity: 43.88 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 13.64 AU - 16.98 AU

Year: 21152 Days

Day: 21.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,415,193 km

• M1: 57,296 km (0.058 R)
• M2: 267,331 km (0.062 R)
• M3: 509,530 km (0.106 R)
• M4: 665,860 km (0.115 R)
• M5: 1,012,927 km (0.106 R)
• M6: 1,326,185 km (0.062 R)
• M7: 1,815,221 km (0.064 R)
• M8: 3,083,811 km (0.119 R)
• M9: 3,521,085 km (0.077 R)
• M10: 3,802,628 km (0.1 R)
• M11: 4,099,131 km (0.056 R)
• M12: 4,482,102 km (0.115 R)
• M13: 6,346,241 km (0.072 R)
• M14: 7,002,826 km (0.062 R)
• M15: 9,658,039 km (0.117 R)
• M16: 13,136,488 km (0.091 R)
• M17: 14,433,352 km (0.082 R)
• M18: 15,072,285 km (0.07 R)
• M19: 19,306,503 km (0.119 R)
• M20: 20,877,131 km (0.104 R)
• M21: 24,831,302 km (0.094 R)
• M22: 25,172,235 km (0.091 R)
• M23: 36,911,330 km (0.117 R)
• M24: 40,720,989 km (0.119 R)
• M25: 44,616,967 km (0.079 R)
• M26: 45,628,398 km (0.119 R)
• M27: 50,732,976 km (0.061 R)
• M28: 53,895,475 km (0.117 R)
• M29: 60,609,727 km (0.113 R)
• M30: 74,483,733 km (0.064 R)
• M31: 81,525,005 km (0.034 R)

Kuiper Belt

Range: 31.1 - 61.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 558 - 17,035 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit