🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.3

Radius: 12.1

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.75 AU - 1.15 AU

Year: 589 Days

Day: 7.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,676,271 km

• M1: 150,495 km (0.1 R)
• M2: 528,828 km (0.113 R)
• M3: 1,150,707 km (0.109 R)
• M4: 1,529,788 km (0.11 R)
• M5: 2,065,647 km (0.076 R)
• M6: 2,511,150 km (0.045 R)
• M7: 3,301,326 km (0.044 R)
• M8: 3,680,108 km (0.075 R)
• M9: 4,205,944 km (0.05 R)
• M10: 4,668,650 km (0.076 R)
• M11: 5,182,519 km (0.095 R)
• M12: 6,324,100 km (0.077 R)
• M13: 6,912,618 km (0.094 R)
• M14: 7,405,244 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.2

Radius: 9.9

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.29 AU - 1.97 AU

Year: 1323 Days

Day: 12.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,676,271 km

• M1: 123,119 km (0.056 R)
• M2: 469,737 km (0.056 R)
• M3: 875,297 km (0.109 R)
• M4: 1,238,222 km (0.083 R)
• M5: 2,311,586 km (0.052 R)
• M6: 2,621,104 km (0.07 R)
• M7: 3,519,739 km (0.118 R)
• M8: 3,978,256 km (0.117 R)
• M9: 4,854,601 km (0.026 R)
• M10: 5,423,970 km (0.106 R)
• M11: 6,244,963 km (0.093 R)
• M12: 8,207,837 km (0.048 R)
• M13: 9,261,155 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.6

Radius: 13.2

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.43 AU - 1.93 AU

Year: 1385 Days

Day: 11.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 116.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,676,271 km

• M1: 164,258 km (0.096 R)
• M2: 636,240 km (0.082 R)
• M3: 1,189,453 km (0.033 R)
• M4: 2,379,504 km (0.059 R)
• M5: 3,064,512 km (0.079 R)
• M6: 3,662,006 km (0.069 R)
• M7: 6,567,945 km (0.105 R)
• M8: 8,312,705 km (0.047 R)
• M9: 8,828,070 km (0.116 R)
• M10: 10,503,416 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.8

Radius: 8.9

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.41 AU - 2.53 AU

Year: 2468 Days

Day: 10.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,676,271 km

• M1: 122,969 km (0.077 R)
• M2: 416,331 km (0.082 R)
• M3: 870,061 km (0.103 R)
• M4: 1,275,322 km (0.084 R)
• M5: 2,370,229 km (0.093 R)
• M6: 3,635,527 km (0.1 R)
• M7: 4,399,823 km (0.107 R)
• M8: 5,232,634 km (0.113 R)
• M9: 5,732,590 km (0.093 R)
• M10: 6,974,103 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.5

Radius: 6.8

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 8.23 AU - 8.37 AU

Year: 15204 Days

Day: 24.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,676,271 km

• M1: 85,420 km (0.105 R)
• M2: 661,971 km (0.118 R)
• M3: 1,311,674 km (0.077 R)
• M4: 2,815,133 km (0.099 R)
• M5: 3,038,782 km (0.047 R)
• M6: 3,999,948 km (0.119 R)
• M7: 4,430,341 km (0.094 R)
• M8: 4,923,116 km (0.078 R)
• M9: 5,316,110 km (0.101 R)
• M10: 5,589,575 km (0.091 R)
• M11: 7,059,972 km (0.116 R)
• M12: 7,475,106 km (0.034 R)
• M13: 8,630,750 km (0.039 R)
• M14: 10,263,162 km (0.083 R)
• M15: 11,974,711 km (0.115 R)
• M16: 14,191,153 km (0.079 R)
• M17: 14,585,344 km (0.096 R)
• M18: 18,083,540 km (0.088 R)
• M19: 18,391,712 km (0.039 R)
• M20: 19,417,205 km (0.047 R)
• M21: 20,480,397 km (0.095 R)
• M22: 22,367,275 km (0.042 R)
• M23: 23,902,449 km (0.06 R)
• M24: 26,980,425 km (0.037 R)
• M25: 28,822,872 km (0.077 R)
• M26: 33,676,874 km (0.119 R)
• M27: 34,970,297 km (0.086 R)
• M28: 36,910,133 km (0.066 R)
• M29: 38,538,207 km (0.086 R)
• M30: 42,885,072 km (0.117 R)
• M31: 43,847,435 km (0.087 R)
• M32: 46,531,819 km (0.112 R)
• M33: 47,401,731 km (0.054 R)
• M34: 47,987,706 km (0.05 R)
• M35: 49,024,718 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697.9

Radius: 4.1

Gravity: 41.52 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 9.7 AU - 11.3 AU

Year: 21633 Days

Day: 16.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,676,271 km

• M1: 51,761 km (0.108 R)
• M2: 454,179 km (0.115 R)
• M3: 586,723 km (0.117 R)
• M4: 1,097,300 km (0.1 R)
• M5: 1,280,707 km (0.115 R)
• M6: 1,468,004 km (0.054 R)
• M7: 2,429,769 km (0.111 R)
• M8: 2,767,860 km (0.065 R)
• M9: 3,219,945 km (0.067 R)
• M10: 5,172,346 km (0.042 R)
• M11: 6,779,476 km (0.109 R)
• M12: 7,155,715 km (0.113 R)
• M13: 7,898,768 km (0.107 R)
• M14: 11,322,315 km (0.104 R)
• M15: 11,717,702 km (0.078 R)
• M16: 12,397,176 km (0.11 R)
• M17: 14,670,016 km (0.118 R)
• M18: 15,863,508 km (0.06 R)
• M19: 17,728,544 km (0.106 R)
• M20: 18,351,470 km (0.104 R)
• M21: 25,852,158 km (0.087 R)
• M22: 26,652,506 km (0.1 R)
• M23: 29,274,957 km (0.097 R)
• M24: 35,164,924 km (0.113 R)
• M25: 35,583,499 km (0.098 R)
• M26: 45,653,381 km (0.059 R)
• M27: 46,821,142 km (0.104 R)
• M28: 47,667,417 km (0.111 R)
• M29: 55,370,361 km (0.095 R)
• M30: 69,614,621 km (0.08 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 18,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit