🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.9

Radius: 14.5

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.81 AU - 1.01 AU

Year: 599 Days

Day: 11.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,450,741 km

• M1: 180,415 km (0.099 R)
• M2: 676,332 km (0.086 R)
• M3: 1,277,715 km (0.114 R)
• M4: 1,837,511 km (0.049 R)
• M5: 2,582,658 km (0.089 R)
• M6: 3,326,009 km (0.071 R)
• M7: 4,148,349 km (0.095 R)
• M8: 5,190,149 km (0.04 R)
• M9: 6,003,063 km (0.094 R)
• M10: 6,920,846 km (0.096 R)
• M11: 7,720,896 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.4

Radius: 8.5

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.97 AU - 3.57 AU

Year: 4082 Days

Day: 10.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,450,741 km

• M1: 105,766 km (0.097 R)
• M2: 456,274 km (0.104 R)
• M3: 810,521 km (0.118 R)
• M4: 1,398,291 km (0.12 R)
• M5: 2,294,831 km (0.073 R)
• M6: 2,768,159 km (0.035 R)
• M7: 3,273,501 km (0.109 R)
• M8: 3,821,627 km (0.062 R)
• M9: 5,272,876 km (0.113 R)
• M10: 6,797,727 km (0.089 R)
• M11: 7,086,601 km (0.115 R)
• M12: 8,148,895 km (0.056 R)
• M13: 11,595,032 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.8

Radius: 14.5

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.12 AU - 4.32 AU

Year: 4953 Days

Day: 6 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,450,741 km

• M1: 180,415 km (0.117 R)
• M2: 846,574 km (0.112 R)
• M3: 1,385,127 km (0.092 R)
• M4: 1,847,235 km (0.115 R)
• M5: 2,803,464 km (0.058 R)
• M6: 6,005,008 km (0.053 R)
• M7: 9,856,256 km (0.117 R)
• M8: 11,111,831 km (0.077 R)
• M9: 12,873,196 km (0.093 R)
• M10: 17,216,770 km (0.094 R)
• M11: 18,053,621 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.4

Radius: 14.8

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.78 AU - 3.98 AU

Year: 5275 Days

Day: 10.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,450,741 km

• M1: 185,651 km (0.102 R)
• M2: 937,829 km (0.116 R)
• M3: 2,347,191 km (0.081 R)
• M4: 3,099,369 km (0.118 R)
• M5: 4,008,176 km (0.049 R)
• M6: 4,778,306 km (0.111 R)
• M7: 7,889,792 km (0.104 R)
• M8: 8,743,846 km (0.112 R)
• M9: 16,709,783 km (0.118 R)
• M10: 18,645,430 km (0.025 R)
• M11: 19,121,899 km (0.099 R)
• M12: 22,153,350 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.1

Radius: 8.8

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.99 AU - 5.39 AU

Year: 7011 Days

Day: 8.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,450,741 km

• M1: 109,655 km (0.093 R)
• M2: 446,998 km (0.103 R)
• M3: 1,167,611 km (0.115 R)
• M4: 1,569,730 km (0.1 R)
• M5: 2,276,880 km (0.111 R)
• M6: 3,012,901 km (0.073 R)
• M7: 5,126,719 km (0.113 R)
• M8: 5,747,999 km (0.111 R)
• M9: 7,103,056 km (0.099 R)
• M10: 9,723,413 km (0.116 R)
• M11: 19,652,672 km (0.096 R)
• M12: 20,859,777 km (0.104 R)
• M13: 22,035,467 km (0.075 R)
• M14: 27,090,529 km (0.098 R)
• M15: 27,458,988 km (0.119 R)
• M16: 31,328,337 km (0.091 R)
• M17: 31,836,222 km (0.11 R)
• M18: 32,556,536 km (0.09 R)
• M19: 37,221,297 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.5

Radius: 3.5

Gravity: 50.98 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.79 AU - 7.49 AU

Year: 11810 Days

Day: 18.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,450,741 km

• M1: 48,619 km (0.116 R)
• M2: 244,293 km (0.09 R)
• M3: 674,836 km (0.119 R)
• M4: 806,632 km (0.108 R)
• M5: 1,009,187 km (0.065 R)
• M6: 1,559,558 km (0.094 R)
• M7: 4,433,333 km (0.086 R)
• M8: 4,995,821 km (0.101 R)
• M9: 7,637,869 km (0.054 R)
• M10: 9,501,709 km (0.093 R)
• M11: 9,856,405 km (0.118 R)
• M12: 10,063,000 km (0.055 R)
• M13: 10,808,745 km (0.117 R)
• M14: 12,290,363 km (0.089 R)
• M15: 14,096,607 km (0.034 R)
• M16: 16,286,571 km (0.088 R)
• M17: 16,721,003 km (0.111 R)
• M18: 17,612,905 km (0.088 R)
• M19: 18,850,828 km (0.08 R)
• M20: 22,108,920 km (0.089 R)
• M21: 22,462,868 km (0.111 R)
• M22: 24,572,049 km (0.077 R)
• M23: 39,661,986 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.3

Radius: 4.3

Gravity: 12.4 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.56 AU - 10.1 AU

Year: 18111 Days

Day: 21 Hours

Environment

Temp: -235 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 49,450,741 km

• M1: 53,556 km (0.096 R)
• M2: 287,677 km (0.079 R)
• M3: 572,361 km (0.119 R)
• M4: 736,321 km (0.085 R)
• M5: 1,427,612 km (0.07 R)
• M6: 1,597,406 km (0.108 R)
• M7: 2,099,606 km (0.077 R)
• M8: 2,263,416 km (0.096 R)
• M9: 2,938,850 km (0.114 R)
• M10: 4,261,295 km (0.109 R)
• M11: 4,675,981 km (0.112 R)
• M12: 5,247,744 km (0.12 R)
• M13: 5,584,937 km (0.102 R)
• M14: 7,831,748 km (0.03 R)
• M15: 8,407,101 km (0.03 R)
• M16: 8,635,836 km (0.11 R)
• M17: 8,915,584 km (0.092 R)
• M18: 10,458,686 km (0.102 R)
• M19: 11,046,606 km (0.084 R)
• M20: 11,431,970 km (0.118 R)
• M21: 11,656,217 km (0.116 R)
• M22: 13,998,322 km (0.081 R)
• M23: 16,779,795 km (0.091 R)
• M24: 19,828,001 km (0.082 R)
• M25: 20,976,464 km (0.115 R)
• M26: 21,481,955 km (0.083 R)
• M27: 21,823,337 km (0.048 R)
• M28: 24,686,790 km (0.038 R)
• M29: 26,991,645 km (0.111 R)
• M30: 34,876,948 km (0.085 R)
• M31: 35,348,630 km (0.117 R)
• M32: 41,872,743 km (0.048 R)
• M33: 43,212,991 km (0.118 R)
• M34: 45,837,835 km (0.053 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 16,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit