🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414

Radius: 10.6

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.41 AU - 0.63 AU

Year: 259 Days

Day: 14.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 171.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,474,390 km

• M1: 131,796 km (0.108 R)
• M2: 495,468 km (0.087 R)
• M3: 833,111 km (0.066 R)
• M4: 1,273,078 km (0.071 R)
• M5: 1,666,371 km (0.034 R)
• M6: 2,199,089 km (0.094 R)
• M7: 3,464,836 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582

Radius: 12.3

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.31 AU - 1.87 AU

Year: 1384 Days

Day: 11.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,474,390 km

• M1: 153,039 km (0.094 R)
• M2: 560,842 km (0.078 R)
• M3: 1,113,158 km (0.086 R)
• M4: 1,634,207 km (0.109 R)
• M5: 2,115,912 km (0.05 R)
• M6: 2,717,745 km (0.037 R)
• M7: 3,166,239 km (0.1 R)
• M8: 3,600,970 km (0.044 R)
• M9: 4,007,877 km (0.057 R)
• M10: 4,799,548 km (0.103 R)
• M11: 6,133,812 km (0.097 R)
• M12: 8,270,518 km (0.091 R)
• M13: 10,019,467 km (0.09 R)
• M14: 11,475,653 km (0.069 R)
• M15: 12,003,135 km (0.11 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.8

Radius: 4.9

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.84 AU - 6.28 AU

Year: 9049 Days

Day: 19.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,474,390 km

• M1: 75,248 km (0.101 R)
• M2: 460,313 km (0.116 R)
• M3: 716,873 km (0.088 R)
• M4: 1,910,066 km (0.111 R)
• M5: 4,800,745 km (0.12 R)
• M6: 5,159,631 km (0.109 R)
• M7: 5,691,900 km (0.092 R)
• M8: 7,258,638 km (0.047 R)
• M9: 9,164,066 km (0.095 R)
• M10: 10,486,063 km (0.095 R)
• M11: 11,048,700 km (0.102 R)
• M12: 11,631,234 km (0.084 R)
• M13: 12,677,223 km (0.098 R)
• M14: 13,736,974 km (0.112 R)
• M15: 18,166,567 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.8

Radius: 8

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.93 AU - 8.07 AU

Year: 12784 Days

Day: 15.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,474,390 km

• M1: 99,483 km (0.025 R)
• M2: 373,247 km (0.079 R)
• M3: 828,922 km (0.111 R)
• M4: 1,155,195 km (0.057 R)
• M5: 1,791,734 km (0.071 R)
• M6: 2,215,844 km (0.102 R)
• M7: 2,854,926 km (0.032 R)
• M8: 4,008,924 km (0.117 R)
• M9: 4,319,040 km (0.091 R)
• M10: 4,705,900 km (0.043 R)
• M11: 5,828,333 km (0.117 R)
• M12: 6,528,301 km (0.087 R)
• M13: 8,318,090 km (0.065 R)
• M14: 9,399,085 km (0.091 R)
• M15: 11,274,743 km (0.106 R)
• M16: 12,417,970 km (0.091 R)
• M17: 15,888,790 km (0.059 R)
• M18: 17,397,335 km (0.077 R)
• M19: 18,842,301 km (0.088 R)
• M20: 21,115,141 km (0.071 R)
• M21: 23,655,463 km (0.099 R)
• M22: 26,100,041 km (0.047 R)
• M23: 27,183,279 km (0.11 R)
• M24: 27,483,822 km (0.108 R)
• M25: 29,124,461 km (0.094 R)
• M26: 31,375,461 km (0.058 R)
• M27: 32,262,576 km (0.101 R)
• M28: 34,906,419 km (0.079 R)
• M29: 35,261,714 km (0.104 R)
• M30: 36,341,661 km (0.063 R)
• M31: 39,329,280 km (0.096 R)
• M32: 39,585,392 km (0.092 R)
• M33: 47,361,788 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.5

Radius: 5.3

Gravity: 13.97 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.65 AU - 9.21 AU

Year: 16895 Days

Day: 16.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 56,474,390 km

• M1: 76,295 km (0.041 R)
• M2: 252,521 km (0.111 R)
• M3: 537,804 km (0.074 R)
• M4: 717,023 km (0.087 R)
• M5: 1,291,030 km (0.109 R)
• M6: 1,499,419 km (0.03 R)
• M7: 2,484,372 km (0.099 R)
• M8: 3,185,687 km (0.034 R)
• M9: 4,582,183 km (0.114 R)
• M10: 4,838,294 km (0.115 R)
• M11: 5,885,180 km (0.063 R)
• M12: 6,501,224 km (0.098 R)
• M13: 10,078,708 km (0.103 R)
• M14: 10,845,696 km (0.072 R)
• M15: 11,769,313 km (0.046 R)
• M16: 12,189,384 km (0.071 R)
• M17: 14,922,537 km (0.093 R)
• M18: 15,343,655 km (0.035 R)
• M19: 15,844,808 km (0.085 R)
• M20: 16,209,528 km (0.046 R)
• M21: 21,120,227 km (0.08 R)
• M22: 22,647,173 km (0.114 R)
• M23: 25,122,270 km (0.063 R)
• M24: 25,618,037 km (0.104 R)
• M25: 27,041,162 km (0.052 R)
• M26: 32,203,036 km (0.117 R)
• M27: 32,670,529 km (0.108 R)
• M28: 34,952,944 km (0.031 R)
• M29: 35,322,750 km (0.085 R)
• M30: 40,370,781 km (0.094 R)
• M31: 43,278,215 km (0.091 R)
• M32: 44,277,679 km (0.096 R)
• M33: 44,855,575 km (0.112 R)
• M34: 48,582,058 km (0.117 R)
• M35: 49,042,670 km (0.103 R)
• M36: 52,994,746 km (0.115 R)
• M37: 53,809,905 km (0.096 R)
• M38: 54,467,986 km (0.117 R)
• M39: 55,465,056 km (0.093 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 10,936 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit