🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.6

Radius: 14.2

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.64 AU - 0.74 AU

Year: 389 Days

Day: 12.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,738,849 km

• M1: 176,675 km (0.102 R)
• M2: 641,326 km (0.077 R)
• M3: 1,145,471 km (0.08 R)
• M4: 1,603,689 km (0.098 R)
• M5: 2,578,020 km (0.103 R)
• M6: 3,451,971 km (0.045 R)
• M7: 4,191,134 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.7

Radius: 8.6

Gravity: 12.11 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.71 AU - 0.89 AU

Year: 485 Days

Day: 5.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,738,849 km

• M1: 106,962 km (0.067 R)
• M2: 391,348 km (0.118 R)
• M3: 819,946 km (0.086 R)
• M4: 1,089,372 km (0.079 R)
• M5: 1,474,736 km (0.094 R)
• M6: 1,759,421 km (0.116 R)
• M7: 2,090,181 km (0.107 R)
• M8: 2,523,417 km (0.089 R)
• M9: 2,822,463 km (0.111 R)
• M10: 3,353,087 km (0.102 R)
• M11: 4,582,183 km (0.091 R)
• M12: 4,947,950 km (0.075 R)
• M13: 5,630,415 km (0.119 R)
• M14: 6,106,735 km (0.112 R)
• M15: 6,649,476 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.6

Radius: 13

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.28 AU - 1.58 AU

Year: 1160 Days

Day: 7.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,738,849 km

• M1: 161,715 km (0.094 R)
• M2: 704,008 km (0.098 R)
• M3: 1,156,990 km (0.069 R)
• M4: 1,658,442 km (0.117 R)
• M5: 2,509,205 km (0.101 R)
• M6: 3,129,288 km (0.11 R)
• M7: 3,849,901 km (0.09 R)
• M8: 4,517,856 km (0.078 R)
• M9: 5,705,364 km (0.104 R)
• M10: 6,261,568 km (0.102 R)
• M11: 6,924,287 km (0.118 R)
• M12: 7,383,553 km (0.057 R)
• M13: 8,336,790 km (0.102 R)
• M14: 8,829,416 km (0.056 R)
• M15: 10,238,777 km (0.098 R)
• M16: 10,772,243 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.2

Radius: 10

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.88 AU - 2.04 AU

Year: 1861 Days

Day: 14.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,738,849 km

• M1: 127,009 km (0.1 R)
• M2: 565,929 km (0.05 R)
• M3: 974,331 km (0.094 R)
• M4: 1,317,957 km (0.111 R)
• M5: 1,994,588 km (0.106 R)
• M6: 3,062,418 km (0.049 R)
• M7: 4,106,013 km (0.079 R)
• M8: 4,441,710 km (0.094 R)
• M9: 5,114,003 km (0.091 R)
• M10: 6,532,191 km (0.094 R)
• M11: 6,991,307 km (0.117 R)
• M12: 7,901,012 km (0.094 R)
• M13: 8,296,399 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.5

Radius: 11.5

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.8 AU - 6.18 AU

Year: 7560 Days

Day: 6 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,738,849 km

• M1: 143,165 km (0.113 R)
• M2: 608,415 km (0.087 R)
• M3: 1,047,035 km (0.106 R)
• M4: 2,124,739 km (0.101 R)
• M5: 3,164,294 km (0.099 R)
• M6: 6,362,996 km (0.052 R)
• M7: 7,864,510 km (0.099 R)
• M8: 10,918,849 km (0.12 R)
• M9: 12,980,458 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.9

Radius: 3.8

Gravity: 60.52 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.44 AU - 8.14 AU

Year: 13350 Days

Day: 16.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 40,738,849 km

• M1: 48,619 km (0.111 R)
• M2: 843,882 km (0.104 R)
• M3: 1,007,990 km (0.114 R)
• M4: 1,342,790 km (0.096 R)
• M5: 1,941,780 km (0.117 R)
• M6: 2,091,827 km (0.087 R)
• M7: 2,290,194 km (0.114 R)
• M8: 2,415,108 km (0.12 R)
• M9: 2,633,521 km (0.096 R)
• M10: 2,912,970 km (0.114 R)
• M11: 3,697,760 km (0.083 R)
• M12: 3,870,247 km (0.087 R)
• M13: 4,262,193 km (0.075 R)
• M14: 5,160,379 km (0.093 R)
• M15: 6,797,278 km (0.088 R)
• M16: 6,925,933 km (0.097 R)
• M17: 7,411,827 km (0.105 R)
• M18: 7,639,963 km (0.111 R)
• M19: 7,920,010 km (0.045 R)
• M20: 11,167,331 km (0.059 R)
• M21: 11,711,120 km (0.114 R)
• M22: 14,133,259 km (0.099 R)
• M23: 16,173,774 km (0.066 R)
• M24: 17,423,814 km (0.11 R)
• M25: 20,647,797 km (0.102 R)
• M26: 22,589,428 km (0.112 R)
• M27: 23,850,389 km (0.083 R)
• M28: 27,585,997 km (0.063 R)
• M29: 28,577,382 km (0.07 R)
• M30: 34,901,034 km (0.119 R)
• M31: 36,320,717 km (0.101 R)
• M32: 36,582,962 km (0.11 R)
• M33: 36,714,609 km (0.036 R)
• M34: 45,352,090 km (0.091 R)
• M35: 51,364,130 km (0.111 R)
• M36: 52,694,055 km (0.11 R)
• M37: 53,536,889 km (0.035 R)
• M38: 60,421,383 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.9

Radius: 5.3

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.33 AU - 8.75 AU

Year: 15462 Days

Day: 21.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 40,738,849 km

• M1: 66,421 km (0.078 R)
• M2: 245,341 km (0.092 R)
• M3: 580,440 km (0.098 R)
• M4: 764,445 km (0.07 R)
• M5: 1,692,850 km (0.066 R)
• M6: 2,787,906 km (0.116 R)
• M7: 3,036,388 km (0.052 R)
• M8: 3,390,785 km (0.113 R)
• M9: 3,947,888 km (0.095 R)
• M10: 4,706,050 km (0.117 R)
• M11: 5,653,902 km (0.056 R)
• M12: 6,364,342 km (0.108 R)
• M13: 7,132,527 km (0.044 R)
• M14: 7,757,996 km (0.041 R)
• M15: 8,208,734 km (0.104 R)
• M16: 8,547,424 km (0.098 R)
• M17: 9,252,628 km (0.088 R)
• M18: 9,480,765 km (0.119 R)
• M19: 9,759,466 km (0.084 R)
• M20: 16,614,489 km (0.078 R)
• M21: 21,047,074 km (0.028 R)
• M22: 22,491,741 km (0.088 R)
• M23: 24,086,903 km (0.111 R)
• M24: 24,606,007 km (0.068 R)
• M25: 26,941,679 km (0.08 R)
• M26: 27,220,230 km (0.045 R)
• M27: 29,519,250 km (0.108 R)
• M28: 30,817,012 km (0.102 R)
• M29: 31,428,568 km (0.073 R)
• M30: 33,525,780 km (0.091 R)
• M31: 33,740,453 km (0.102 R)
• M32: 35,938,345 km (0.1 R)
• M33: 36,502,479 km (0.093 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: 293 - 19,164 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit