🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.3

Radius: 12.1

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.53 AU - 0.59 AU

Year: 284 Days

Day: 6.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,493,321 km

• M1: 150,645 km (0.07 R)
• M2: 610,659 km (0.057 R)
• M3: 1,039,705 km (0.098 R)
• M4: 1,416,692 km (0.086 R)
• M5: 1,872,666 km (0.05 R)
• M6: 2,489,009 km (0.091 R)
• M7: 2,985,824 km (0.066 R)
• M8: 3,548,611 km (0.11 R)
• M9: 4,337,441 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.4

Radius: 11.1

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.78 AU - 1.1 AU

Year: 618 Days

Day: 11 Hours

Environment

Temp: -166 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,493,321 km

• M1: 138,079 km (0.107 R)
• M2: 491,579 km (0.079 R)
• M3: 885,919 km (0.056 R)
• M4: 1,413,550 km (0.097 R)
• M5: 1,796,970 km (0.091 R)
• M6: 2,280,021 km (0.072 R)
• M7: 3,173,868 km (0.068 R)
• M8: 4,165,104 km (0.098 R)
• M9: 5,244,901 km (0.03 R)
• M10: 6,259,773 km (0.104 R)
• M11: 6,920,248 km (0.072 R)
• M12: 7,974,015 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.9

Radius: 14

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.93 AU - 1.03 AU

Year: 658 Days

Day: 5.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,493,321 km

• M1: 176,077 km (0.083 R)
• M2: 685,757 km (0.063 R)
• M3: 1,178,532 km (0.067 R)
• M4: 1,698,983 km (0.045 R)
• M5: 2,477,790 km (0.068 R)
• M6: 2,965,927 km (0.105 R)
• M7: 3,563,870 km (0.117 R)
• M8: 4,076,841 km (0.054 R)
• M9: 4,530,721 km (0.054 R)

Asteroid Belt

Center: 2.25 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.7

Radius: 13.5

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.65 AU - 4.37 AU

Year: 4460 Days

Day: 14.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,493,321 km

• M1: 167,998 km (0.1 R)
• M2: 593,305 km (0.109 R)
• M3: 1,659,489 km (0.07 R)
• M4: 2,415,557 km (0.1 R)
• M5: 3,065,260 km (0.071 R)
• M6: 4,085,518 km (0.101 R)
• M7: 5,995,733 km (0.074 R)
• M8: 7,170,974 km (0.088 R)
• M9: 8,118,228 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208

Radius: 9.9

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.92 AU - 5.06 AU

Year: 7560 Days

Day: 7.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,493,321 km

• M1: 123,119 km (0.054 R)
• M2: 451,187 km (0.113 R)
• M3: 1,003,353 km (0.088 R)
• M4: 1,334,114 km (0.098 R)
• M5: 1,763,310 km (0.116 R)
• M6: 2,597,169 km (0.046 R)
• M7: 2,975,352 km (0.084 R)
• M8: 3,292,799 km (0.089 R)
• M9: 3,612,190 km (0.076 R)
• M10: 4,337,291 km (0.106 R)
• M11: 4,697,523 km (0.091 R)
• M12: 5,235,776 km (0.059 R)
• M13: 6,589,637 km (0.086 R)
• M14: 6,937,601 km (0.085 R)
• M15: 10,015,577 km (0.112 R)
• M16: 10,690,713 km (0.032 R)
• M17: 11,351,038 km (0.115 R)
• M18: 11,668,335 km (0.099 R)
• M19: 14,319,508 km (0.107 R)
• M20: 17,110,406 km (0.1 R)
• M21: 18,075,163 km (0.098 R)
• M22: 19,395,813 km (0.112 R)
• M23: 21,050,664 km (0.055 R)
• M24: 24,338,227 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217

Radius: 3.8

Gravity: 15.03 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.52 AU - 7.14 AU

Year: 10802 Days

Day: 18.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,493,321 km

• M1: 47,722 km (0.084 R)
• M2: 207,193 km (0.072 R)
• M3: 347,516 km (0.113 R)
• M4: 487,390 km (0.11 R)
• M5: 693,835 km (0.095 R)
• M6: 1,470,248 km (0.091 R)
• M7: 1,704,069 km (0.053 R)
• M8: 1,962,126 km (0.034 R)
• M9: 3,728,877 km (0.052 R)
• M10: 4,315,599 km (0.112 R)
• M11: 5,190,597 km (0.091 R)
• M12: 5,951,751 km (0.073 R)
• M13: 6,924,736 km (0.097 R)
• M14: 8,076,939 km (0.05 R)
• M15: 11,040,472 km (0.069 R)
• M16: 12,498,902 km (0.087 R)
• M17: 15,730,216 km (0.112 R)
• M18: 18,034,472 km (0.032 R)
• M19: 19,689,473 km (0.092 R)
• M20: 20,700,306 km (0.094 R)
• M21: 21,293,163 km (0.094 R)
• M22: 22,126,722 km (0.064 R)
• M23: 22,357,851 km (0.039 R)
• M24: 22,512,834 km (0.096 R)
• M25: 22,746,506 km (0.117 R)
• M26: 23,617,465 km (0.106 R)
• M27: 27,589,886 km (0.084 R)
• M28: 30,535,169 km (0.101 R)
• M29: 32,876,825 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708

Radius: 8

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.71 AU - 11.03 AU

Year: 17917 Days

Day: 16.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,493,321 km

• M1: 99,632 km (0.076 R)
• M2: 408,701 km (0.091 R)
• M3: 670,647 km (0.102 R)
• M4: 1,049,878 km (0.1 R)
• M5: 1,717,683 km (0.049 R)
• M6: 1,988,754 km (0.082 R)
• M7: 3,239,841 km (0.076 R)
• M8: 3,774,803 km (0.032 R)
• M9: 4,566,625 km (0.05 R)
• M10: 5,020,056 km (0.046 R)
• M11: 7,277,787 km (0.1 R)
• M12: 12,570,410 km (0.085 R)
• M13: 13,957,332 km (0.11 R)
• M14: 16,066,662 km (0.069 R)
• M15: 17,197,173 km (0.054 R)
• M16: 18,379,744 km (0.116 R)
• M17: 20,346,358 km (0.111 R)
• M18: 21,380,378 km (0.06 R)
• M19: 23,349,684 km (0.106 R)
• M20: 23,860,262 km (0.079 R)
• M21: 24,903,707 km (0.107 R)
• M22: 26,415,394 km (0.115 R)
• M23: 27,987,218 km (0.099 R)
• M24: 28,679,557 km (0.114 R)
• M25: 34,767,443 km (0.095 R)
• M26: 37,481,747 km (0.094 R)
• M27: 44,099,208 km (0.077 R)
• M28: 44,879,212 km (0.064 R)
• M29: 47,600,546 km (0.118 R)
• M30: 49,922,754 km (0.041 R)
• M31: 55,331,166 km (0.102 R)
• M32: 58,456,864 km (0.107 R)
• M33: 60,158,241 km (0.064 R)
• M34: 67,500,654 km (0.116 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 16,134 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit