🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.46 AU - 0.68 AU

Year: 151 Days

Day: 18 Hours

Environment

Temp: 248 °C

Axial Tilt: 19.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 108,641,657 km

• M1: 44,131 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.53 AU - 0.67 AU

Year: 163 Days

Day: 40.5 Hours

Environment

Temp: 206 °C

Axial Tilt: 24 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 108,641,657 km

• M1: 266,733 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.52 AU - 1.96 AU

Year: 807 Days

Day: 43 Hours

Environment

Temp: -33 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.29 AU - 2.65 AU

Year: 1364 Days

Day: 42.5 Hours

Environment

Temp: -67 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.75 AU - 3.03 AU

Year: 1727 Days

Day: 33.2 Hours

Environment

Temp: -90 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 108,641,657 km

• M1: 286,181 km (0.076 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.11 AU - 3.13 AU

Year: 1937 Days

Day: 36.8 Hours

Environment

Temp: -95 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.28 AU - 3.5 AU

Year: 2194 Days

Day: 41.4 Hours

Environment

Temp: -108 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.24 AU - 5.1 AU

Year: 2993 Days

Day: 43.8 Hours

Environment

Temp: -116 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Ice Giant

Semi-Major Axis: 17.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.1

Radius: 7.3

Gravity: 16.76 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 14.23 AU - 21.47 AU

Year: 26505 Days

Day: 21.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 108,641,657 km

• M1: 90,806 km (0.078 R)
• M2: 326,572 km (0.08 R)
• M3: 618,587 km (0.099 R)
• M4: 1,086,679 km (0.087 R)
• M5: 1,458,729 km (0.089 R)
• M6: 2,434,855 km (0.108 R)
• M7: 4,063,826 km (0.106 R)
• M8: 5,417,088 km (0.08 R)
• M9: 6,503,618 km (0.103 R)
• M10: 8,281,738 km (0.077 R)
• M11: 9,467,152 km (0.111 R)
• M12: 9,843,839 km (0.106 R)
• M13: 10,761,772 km (0.098 R)
• M14: 13,072,161 km (0.095 R)
• M15: 13,460,667 km (0.059 R)
• M16: 14,017,769 km (0.09 R)
• M17: 16,761,544 km (0.029 R)
• M18: 18,647,075 km (0.078 R)
• M19: 20,461,099 km (0.084 R)
• M20: 21,518,307 km (0.087 R)
• M21: 24,553,648 km (0.069 R)
• M22: 26,112,159 km (0.117 R)
• M23: 30,362,384 km (0.117 R)
• M24: 32,864,408 km (0.092 R)
• M25: 34,459,271 km (0.082 R)
• M26: 36,105,147 km (0.041 R)
• M27: 40,529,803 km (0.118 R)
• M28: 43,729,851 km (0.089 R)
• M29: 54,533,211 km (0.105 R)
• M30: 60,118,298 km (0.068 R)
• M31: 61,409,028 km (0.089 R)
• M32: 62,718,309 km (0.108 R)
• M33: 72,408,511 km (0.108 R)
• M34: 75,847,766 km (0.066 R)
• M35: 82,520,878 km (0.037 R)
• M36: 92,961,912 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.3

Radius: 7.6

Gravity: 14.36 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 15.38 AU - 24.26 AU

Year: 31012 Days

Day: 19.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 108,641,657 km

• M1: 95,593 km (0.109 R)
• M2: 379,829 km (0.099 R)
• M3: 770,728 km (0.055 R)
• M4: 1,085,482 km (0.111 R)
• M5: 1,364,183 km (0.091 R)
• M6: 2,024,508 km (0.113 R)
• M7: 2,426,627 km (0.048 R)
• M8: 3,651,385 km (0.119 R)
• M9: 4,436,624 km (0.108 R)
• M10: 5,772,982 km (0.044 R)
• M11: 13,908,563 km (0.071 R)
• M12: 17,762,952 km (0.088 R)
• M13: 18,852,473 km (0.103 R)
• M14: 21,603,728 km (0.085 R)
• M15: 22,615,309 km (0.079 R)
• M16: 24,975,813 km (0.079 R)
• M17: 29,766,835 km (0.116 R)
• M18: 30,180,323 km (0.079 R)
• M19: 32,304,912 km (0.113 R)
• M20: 42,843,933 km (0.086 R)
• M21: 48,121,297 km (0.077 R)
• M22: 48,500,378 km (0.095 R)
• M23: 51,013,771 km (0.073 R)
• M24: 56,719,285 km (0.1 R)
• M25: 61,936,361 km (0.032 R)
• M26: 63,743,952 km (0.055 R)
• M27: 67,227,638 km (0.076 R)
• M28: 73,563,107 km (0.105 R)
• M29: 74,571,846 km (0.111 R)
• M30: 77,913,862 km (0.072 R)
• M31: 84,068,767 km (0.104 R)
• M32: 87,123,855 km (0.106 R)
• M33: 91,407,889 km (0.107 R)
• M34: 102,885,038 km (0.065 R)

Kuiper Belt

Range: 31.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 19,052 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit