🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.3

Radius: 9.1

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.75 AU - 1.21 AU

Year: 670 Days

Day: 10.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,411,992 km

• M1: 113,246 km (0.107 R)
• M2: 449,392 km (0.107 R)
• M3: 846,874 km (0.109 R)
• M4: 1,288,038 km (0.089 R)
• M5: 1,654,852 km (0.102 R)
• M6: 1,942,379 km (0.095 R)
• M7: 2,263,565 km (0.114 R)
• M8: 2,647,284 km (0.104 R)
• M9: 3,491,465 km (0.106 R)
• M10: 3,875,782 km (0.031 R)

Asteroid Belt

Center: 1.25 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.6

Radius: 12.4

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.33 AU - 1.71 AU

Year: 1294 Days

Day: 7.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,411,992 km

• M1: 154,235 km (0.043 R)
• M2: 592,408 km (0.069 R)
• M3: 1,403,378 km (0.112 R)
• M4: 1,862,643 km (0.037 R)
• M5: 2,379,055 km (0.077 R)
• M6: 2,791,646 km (0.093 R)
• M7: 3,252,407 km (0.054 R)
• M8: 4,683,909 km (0.106 R)
• M9: 5,077,053 km (0.103 R)
• M10: 5,788,390 km (0.071 R)
• M11: 6,413,111 km (0.099 R)
• M12: 7,128,638 km (0.081 R)
• M13: 7,921,506 km (0.067 R)
• M14: 8,352,498 km (0.111 R)
• M15: 8,772,419 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.6

Radius: 12.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.39 AU - 1.99 AU

Year: 1516 Days

Day: 8.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,411,992 km

• M1: 156,629 km (0.091 R)
• M2: 572,212 km (0.09 R)
• M3: 1,342,641 km (0.089 R)
• M4: 1,810,134 km (0.031 R)
• M5: 2,433,957 km (0.119 R)
• M6: 3,511,810 km (0.087 R)
• M7: 4,167,946 km (0.117 R)
• M8: 4,865,671 km (0.107 R)
• M9: 5,345,581 km (0.119 R)
• M10: 8,045,673 km (0.078 R)
• M11: 8,604,271 km (0.027 R)
• M12: 10,242,966 km (0.094 R)
• M13: 11,760,337 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120

Radius: 13.3

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.91 AU - 2.89 AU

Year: 2566 Days

Day: 14.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,411,992 km

• M1: 213,327 km (0.098 R)
• M2: 1,547,291 km (0.095 R)
• M3: 4,047,819 km (0.079 R)
• M4: 4,540,295 km (0.097 R)
• M5: 6,374,964 km (0.118 R)
• M6: 8,470,830 km (0.117 R)
• M7: 9,455,333 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.4

Radius: 8.3

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.45 AU - 2.91 AU

Year: 3028 Days

Day: 10.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,411,992 km

• M1: 103,223 km (0.115 R)
• M2: 377,585 km (0.045 R)
• M3: 668,104 km (0.085 R)
• M4: 956,828 km (0.026 R)
• M5: 1,454,241 km (0.084 R)
• M6: 2,162,736 km (0.082 R)
• M7: 2,453,405 km (0.099 R)
• M8: 2,799,275 km (0.047 R)
• M9: 3,177,459 km (0.052 R)
• M10: 4,361,526 km (0.084 R)
• M11: 4,871,206 km (0.111 R)
• M12: 5,239,965 km (0.104 R)
• M13: 7,259,985 km (0.065 R)
• M14: 9,817,959 km (0.034 R)
• M15: 10,162,034 km (0.084 R)
• M16: 10,765,362 km (0.119 R)
• M17: 11,505,572 km (0.085 R)
• M18: 13,887,021 km (0.103 R)
• M19: 14,496,931 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.7

Radius: 5.7

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.74 AU - 11.18 AU

Year: 18513 Days

Day: 22.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,411,992 km

• M1: 71,508 km (0.11 R)
• M2: 334,351 km (0.074 R)
• M3: 654,640 km (0.087 R)
• M4: 981,661 km (0.109 R)
• M5: 1,214,136 km (0.107 R)
• M6: 1,512,135 km (0.101 R)
• M7: 1,926,372 km (0.064 R)
• M8: 3,418,461 km (0.087 R)
• M9: 4,071,755 km (0.105 R)
• M10: 4,397,579 km (0.036 R)
• M11: 6,294,181 km (0.062 R)
• M12: 7,486,326 km (0.106 R)
• M13: 8,438,666 km (0.099 R)
• M14: 9,216,575 km (0.097 R)
• M15: 10,308,789 km (0.048 R)
• M16: 11,542,822 km (0.115 R)
• M17: 12,997,961 km (0.08 R)
• M18: 13,769,586 km (0.117 R)
• M19: 14,639,348 km (0.089 R)
• M20: 15,192,561 km (0.108 R)
• M21: 15,474,254 km (0.104 R)
• M22: 16,193,970 km (0.062 R)
• M23: 19,132,820 km (0.109 R)
• M24: 19,544,214 km (0.079 R)
• M25: 20,987,235 km (0.103 R)
• M26: 23,516,336 km (0.06 R)
• M27: 27,575,376 km (0.06 R)
• M28: 32,775,248 km (0.098 R)
• M29: 33,720,856 km (0.067 R)
• M30: 34,080,190 km (0.086 R)
• M31: 40,449,768 km (0.042 R)
• M32: 48,779,976 km (0.067 R)
• M33: 51,106,522 km (0.113 R)
• M34: 52,057,366 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 502.8

Radius: 5.7

Gravity: 15.48 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.88 AU - 12.3 AU

Year: 22123 Days

Day: 24.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,411,992 km

• M1: 71,957 km (0.114 R)
• M2: 303,833 km (0.085 R)
• M3: 598,092 km (0.117 R)
• M4: 986,748 km (0.092 R)
• M5: 1,786,647 km (0.11 R)
• M6: 2,192,955 km (0.097 R)
• M7: 3,004,673 km (0.105 R)
• M8: 3,215,457 km (0.085 R)
• M9: 6,933,861 km (0.113 R)
• M10: 7,930,931 km (0.076 R)
• M11: 10,383,289 km (0.072 R)
• M12: 12,008,670 km (0.067 R)
• M13: 14,905,034 km (0.097 R)
• M14: 26,878,997 km (0.041 R)
• M15: 28,954,967 km (0.096 R)
• M16: 31,509,351 km (0.072 R)
• M17: 34,078,096 km (0.109 R)
• M18: 46,719,864 km (0.043 R)
• M19: 54,974,974 km (0.109 R)
• M20: 60,019,863 km (0.093 R)
• M21: 60,986,863 km (0.074 R)
• M22: 61,376,416 km (0.061 R)
• M23: 61,964,036 km (0.117 R)
• M24: 69,522,469 km (0.06 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 14,980 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit