🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.7

Radius: 11.6

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.82 AU - 1.18 AU

Year: 656 Days

Day: 12.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,034,130 km

• M1: 144,362 km (0.077 R)
• M2: 524,640 km (0.071 R)
• M3: 1,056,759 km (0.034 R)
• M4: 1,580,950 km (0.075 R)
• M5: 1,956,591 km (0.103 R)
• M6: 2,781,024 km (0.1 R)
• M7: 3,633,732 km (0.116 R)
• M8: 4,106,910 km (0.059 R)
• M9: 4,796,706 km (0.113 R)
• M10: 6,546,253 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.1

Radius: 13.5

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.58 AU - 1.72 AU

Year: 1390 Days

Day: 11.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,034,130 km

• M1: 188,344 km (0.116 R)
• M2: 873,203 km (0.096 R)
• M3: 1,409,810 km (0.117 R)
• M4: 2,478,388 km (0.092 R)
• M5: 3,136,469 km (0.115 R)
• M6: 5,474,983 km (0.11 R)
• M7: 6,672,215 km (0.105 R)
• M8: 7,213,161 km (0.035 R)
• M9: 7,811,253 km (0.095 R)
• M10: 8,266,928 km (0.039 R)
• M11: 10,203,323 km (0.092 R)
• M12: 10,818,320 km (0.039 R)
• M13: 11,639,911 km (0.085 R)
• M14: 12,579,835 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.6

Radius: 9.6

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.96 AU - 2.2 AU

Year: 1968 Days

Day: 9.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,034,130 km

• M1: 119,379 km (0.11 R)
• M2: 435,928 km (0.078 R)
• M3: 750,981 km (0.103 R)
• M4: 1,051,523 km (0.092 R)
• M5: 1,668,016 km (0.107 R)
• M6: 2,214,198 km (0.106 R)
• M7: 2,757,089 km (0.07 R)
• M8: 3,077,677 km (0.108 R)
• M9: 3,423,248 km (0.101 R)
• M10: 4,454,277 km (0.111 R)
• M11: 4,913,991 km (0.079 R)
• M12: 5,697,734 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.6

Radius: 9.9

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.9 AU - 5.61 AU

Year: 6791 Days

Day: 12.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,034,130 km

• M1: 123,119 km (0.04 R)
• M2: 524,640 km (0.079 R)
• M3: 927,956 km (0.105 R)
• M4: 1,251,237 km (0.115 R)
• M5: 1,593,816 km (0.107 R)
• M6: 2,012,989 km (0.096 R)
• M7: 2,830,841 km (0.032 R)
• M8: 3,690,280 km (0.045 R)
• M9: 4,618,535 km (0.114 R)
• M10: 5,163,371 km (0.067 R)
• M11: 8,482,050 km (0.116 R)
• M12: 9,532,077 km (0.111 R)
• M13: 11,179,299 km (0.068 R)
• M14: 12,346,911 km (0.11 R)
• M15: 13,201,563 km (0.087 R)
• M16: 15,619,214 km (0.094 R)
• M17: 16,618,678 km (0.037 R)
• M18: 17,719,269 km (0.114 R)
• M19: 19,872,880 km (0.057 R)
• M20: 22,058,056 km (0.079 R)
• M21: 22,610,970 km (0.116 R)
• M22: 24,545,719 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.9

Radius: 10.6

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.61 AU - 5.71 AU

Year: 7689 Days

Day: 13.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,034,130 km

• M1: 152,141 km (0.111 R)
• M2: 631,602 km (0.097 R)
• M3: 1,874,162 km (0.108 R)
• M4: 2,322,058 km (0.042 R)
• M5: 3,556,839 km (0.119 R)
• M6: 4,765,291 km (0.084 R)
• M7: 5,850,174 km (0.084 R)
• M8: 9,984,611 km (0.091 R)
• M9: 14,985,518 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.4

Radius: 6.1

Gravity: 22.96 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.43 AU - 6.97 AU

Year: 10127 Days

Day: 18.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,034,130 km

• M1: 75,846 km (0.101 R)
• M2: 363,972 km (0.057 R)
• M3: 621,579 km (0.09 R)
• M4: 1,396,197 km (0.114 R)
• M5: 2,046,798 km (0.091 R)
• M6: 2,561,116 km (0.107 R)
• M7: 3,351,591 km (0.104 R)
• M8: 4,178,119 km (0.088 R)
• M9: 4,441,860 km (0.066 R)
• M10: 4,779,054 km (0.115 R)
• M11: 5,435,938 km (0.1 R)
• M12: 5,679,633 km (0.118 R)
• M13: 6,263,812 km (0.094 R)
• M14: 7,049,650 km (0.036 R)
• M15: 9,850,870 km (0.082 R)
• M16: 10,371,620 km (0.106 R)
• M17: 10,910,622 km (0.09 R)
• M18: 14,148,219 km (0.116 R)
• M19: 15,424,737 km (0.111 R)
• M20: 15,773,001 km (0.115 R)
• M21: 16,269,516 km (0.1 R)
• M22: 16,996,562 km (0.038 R)
• M23: 20,960,307 km (0.092 R)
• M24: 22,525,999 km (0.077 R)
• M25: 25,402,616 km (0.049 R)
• M26: 26,182,769 km (0.076 R)
• M27: 30,325,134 km (0.045 R)
• M28: 30,871,765 km (0.039 R)
• M29: 31,984,773 km (0.098 R)
• M30: 33,587,564 km (0.11 R)
• M31: 34,883,830 km (0.033 R)
• M32: 40,799,528 km (0.065 R)
• M33: 41,599,877 km (0.069 R)
• M34: 51,258,663 km (0.072 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 18,395 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit