🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.58 AU - 0.66 AU

Year: 315 Days

Day: 16.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 132.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,664,568 km

• M1: 33,360 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.3

Radius: 13.4

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.6 AU - 0.92 AU

Year: 428 Days

Day: 8 Hours

Environment

Temp: -148 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,664,568 km

• M1: 166,951 km (0.085 R)
• M2: 686,056 km (0.071 R)
• M3: 1,170,155 km (0.112 R)
• M4: 1,589,178 km (0.088 R)
• M5: 2,297,973 km (0.086 R)
• M6: 2,907,135 km (0.061 R)
• M7: 3,436,113 km (0.03 R)
• M8: 3,881,466 km (0.077 R)
• M9: 4,379,777 km (0.055 R)
• M10: 5,095,004 km (0.112 R)
• M11: 6,340,556 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.8

Radius: 8

Gravity: 15.06 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.81 AU - 1.25 AU

Year: 675 Days

Day: 14.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,664,568 km

• M1: 99,782 km (0.098 R)
• M2: 410,197 km (0.12 R)
• M3: 663,018 km (0.045 R)
• M4: 1,097,749 km (0.093 R)
• M5: 1,596,508 km (0.12 R)
• M6: 2,001,171 km (0.098 R)
• M7: 2,867,941 km (0.108 R)
• M8: 3,171,475 km (0.073 R)
• M9: 3,496,401 km (0.064 R)
• M10: 4,358,534 km (0.069 R)
• M11: 5,061,345 km (0.05 R)
• M12: 5,621,738 km (0.09 R)
• M13: 6,603,848 km (0.117 R)
• M14: 6,977,693 km (0.105 R)
• M15: 8,085,466 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.7

Radius: 12.4

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.12 AU - 1.26 AU

Year: 838 Days

Day: 9.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,664,568 km

• M1: 154,235 km (0.058 R)
• M2: 740,210 km (0.078 R)
• M3: 1,137,542 km (0.083 R)
• M4: 1,871,469 km (0.07 R)
• M5: 2,562,911 km (0.104 R)
• M6: 3,418,910 km (0.082 R)
• M7: 4,241,249 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.6

Radius: 11.4

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.44 AU - 5.38 AU

Year: 5980 Days

Day: 15 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,664,568 km

• M1: 143,165 km (0.098 R)
• M2: 748,139 km (0.106 R)
• M3: 1,121,834 km (0.098 R)
• M4: 1,649,317 km (0.111 R)
• M5: 2,149,871 km (0.104 R)
• M6: 2,521,472 km (0.105 R)
• M7: 3,231,164 km (0.113 R)
• M8: 3,700,303 km (0.065 R)
• M9: 4,313,056 km (0.109 R)
• M10: 5,711,796 km (0.106 R)
• M11: 6,303,755 km (0.084 R)
• M12: 8,288,919 km (0.039 R)
• M13: 8,925,458 km (0.092 R)
• M14: 9,424,217 km (0.105 R)
• M15: 10,568,491 km (0.063 R)
• M16: 12,001,489 km (0.06 R)
• M17: 14,728,808 km (0.12 R)
• M18: 16,084,464 km (0.109 R)
• M19: 17,975,531 km (0.051 R)
• M20: 18,437,190 km (0.119 R)
• M21: 19,522,522 km (0.072 R)
• M22: 20,649,742 km (0.111 R)
• M23: 21,597,295 km (0.1 R)
• M24: 24,212,415 km (0.098 R)
• M25: 25,183,754 km (0.063 R)
• M26: 27,638,207 km (0.087 R)
• M27: 30,248,091 km (0.035 R)
• M28: 31,948,271 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.1

Radius: 7.2

Gravity: 13.64 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.76 AU - 9.78 AU

Year: 15356 Days

Day: 18.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,664,568 km

• M1: 89,908 km (0.096 R)
• M2: 378,782 km (0.111 R)
• M3: 660,624 km (0.046 R)
• M4: 1,260,811 km (0.085 R)
• M5: 1,776,325 km (0.112 R)
• M6: 2,045,152 km (0.03 R)
• M7: 3,272,304 km (0.096 R)
• M8: 4,792,069 km (0.108 R)
• M9: 5,316,858 km (0.036 R)
• M10: 5,879,047 km (0.108 R)
• M11: 6,946,727 km (0.12 R)
• M12: 9,090,913 km (0.109 R)
• M13: 10,919,448 km (0.117 R)
• M14: 11,888,842 km (0.07 R)
• M15: 14,136,999 km (0.096 R)
• M16: 14,489,900 km (0.086 R)
• M17: 14,921,191 km (0.09 R)
• M18: 17,447,749 km (0.082 R)
• M19: 22,364,732 km (0.091 R)
• M20: 23,232,400 km (0.032 R)
• M21: 27,036,823 km (0.072 R)
• M22: 29,029,317 km (0.105 R)
• M23: 29,370,700 km (0.045 R)
• M24: 29,599,734 km (0.027 R)
• M25: 31,236,634 km (0.08 R)
• M26: 31,835,624 km (0.106 R)
• M27: 43,372,911 km (0.092 R)
• M28: 45,481,493 km (0.104 R)
• M29: 46,716,573 km (0.083 R)
• M30: 47,815,519 km (0.099 R)
• M31: 49,415,169 km (0.114 R)
• M32: 55,644,125 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 534.8

Radius: 7.8

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.3 AU - 9.78 AU

Year: 16114 Days

Day: 15.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 78.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,664,568 km

• M1: 97,239 km (0.099 R)
• M2: 432,936 km (0.084 R)
• M3: 707,448 km (0.106 R)
• M4: 987,645 km (0.109 R)
• M5: 1,574,218 km (0.055 R)
• M6: 3,090,842 km (0.109 R)
• M7: 3,662,305 km (0.1 R)
• M8: 4,180,363 km (0.09 R)
• M9: 4,912,495 km (0.115 R)
• M10: 5,186,409 km (0.076 R)
• M11: 5,840,002 km (0.103 R)
• M12: 6,226,114 km (0.1 R)
• M13: 7,667,938 km (0.036 R)
• M14: 9,165,263 km (0.091 R)
• M15: 9,528,636 km (0.067 R)
• M16: 12,222,744 km (0.113 R)
• M17: 12,791,067 km (0.032 R)
• M18: 17,828,476 km (0.118 R)
• M19: 19,907,587 km (0.066 R)
• M20: 26,579,951 km (0.05 R)
• M21: 27,319,414 km (0.094 R)
• M22: 33,859,832 km (0.034 R)
• M23: 35,867,585 km (0.11 R)
• M24: 47,260,211 km (0.104 R)
• M25: 47,568,533 km (0.086 R)
• M26: 55,889,914 km (0.102 R)
• M27: 57,102,704 km (0.11 R)
• M28: 58,332,997 km (0.057 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: 230 - 16,077 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit