🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.9

Radius: 11.1

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.59 AU - 0.63 AU

Year: 318 Days

Day: 13.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 82,775,912 km

• M1: 139,126 km (0.06 R)
• M2: 542,143 km (0.102 R)
• M3: 960,418 km (0.055 R)
• M4: 1,463,815 km (0.066 R)
• M5: 2,768,608 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.8

Radius: 13

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.53 AU - 0.87 AU

Year: 391 Days

Day: 13.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,775,912 km

• M1: 161,715 km (0.092 R)
• M2: 604,824 km (0.089 R)
• M3: 1,300,005 km (0.115 R)
• M4: 1,897,051 km (0.076 R)
• M5: 2,620,506 km (0.068 R)
• M6: 3,071,843 km (0.118 R)
• M7: 3,980,051 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.5

Radius: 12.8

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.95 AU - 1.07 AU

Year: 677 Days

Day: 11.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 82,775,912 km

• M1: 159,322 km (0.1 R)
• M2: 1,019,509 km (0.087 R)
• M3: 1,730,099 km (0.106 R)
• M4: 2,551,840 km (0.101 R)
• M5: 3,585,562 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547

Radius: 8.9

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.02 AU - 1.3 AU

Year: 833 Days

Day: 6.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,775,912 km

• M1: 110,702 km (0.075 R)
• M2: 417,079 km (0.087 R)
• M3: 700,417 km (0.052 R)
• M4: 1,138,440 km (0.116 R)
• M5: 1,541,905 km (0.025 R)
• M6: 1,910,066 km (0.077 R)
• M7: 2,346,742 km (0.098 R)
• M8: 2,884,995 km (0.104 R)
• M9: 3,314,341 km (0.117 R)
• M10: 4,160,616 km (0.105 R)
• M11: 4,880,481 km (0.041 R)
• M12: 5,719,426 km (0.041 R)
• M13: 6,976,048 km (0.042 R)
• M14: 7,266,118 km (0.12 R)
• M15: 7,894,429 km (0.082 R)
• M16: 8,407,700 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.7

Radius: 12.8

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.89 AU - 2.75 AU

Year: 2356 Days

Day: 14.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,775,912 km

• M1: 159,172 km (0.099 R)
• M2: 603,478 km (0.096 R)
• M3: 1,051,673 km (0.112 R)
• M4: 1,841,999 km (0.087 R)
• M5: 3,136,170 km (0.098 R)
• M6: 3,635,527 km (0.096 R)
• M7: 5,101,587 km (0.114 R)
• M8: 5,817,263 km (0.107 R)
• M9: 6,645,736 km (0.116 R)
• M10: 7,731,517 km (0.079 R)
• M11: 8,426,848 km (0.072 R)
• M12: 8,989,785 km (0.099 R)
• M13: 9,911,757 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.4

Radius: 15

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.61 AU - 2.99 AU

Year: 3124 Days

Day: 8.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,775,912 km

• M1: 186,549 km (0.098 R)
• M2: 688,449 km (0.088 R)
• M3: 2,971,911 km (0.113 R)
• M4: 3,880,120 km (0.099 R)
• M5: 5,083,934 km (0.053 R)
• M6: 5,955,042 km (0.077 R)
• M7: 8,420,715 km (0.04 R)
• M8: 9,388,463 km (0.063 R)
• M9: 10,049,087 km (0.078 R)
• M10: 10,701,184 km (0.09 R)
• M11: 11,545,814 km (0.062 R)
• M12: 12,565,024 km (0.063 R)
• M13: 17,687,255 km (0.118 R)
• M14: 20,101,915 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.6

Radius: 4.6

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.91 AU - 6.99 AU

Year: 9678 Days

Day: 19.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 82,775,912 km

• M1: 57,146 km (0.117 R)
• M2: 226,042 km (0.051 R)
• M3: 372,349 km (0.076 R)
• M4: 542,741 km (0.069 R)
• M5: 991,684 km (0.107 R)
• M6: 1,218,624 km (0.056 R)
• M7: 1,682,677 km (0.118 R)
• M8: 2,705,029 km (0.097 R)
• M9: 3,465,135 km (0.09 R)
• M10: 4,282,688 km (0.093 R)
• M11: 5,079,745 km (0.108 R)
• M12: 6,420,890 km (0.115 R)
• M13: 7,137,464 km (0.051 R)
• M14: 8,212,624 km (0.086 R)
• M15: 9,222,559 km (0.036 R)
• M16: 9,648,763 km (0.095 R)
• M17: 10,865,144 km (0.09 R)
• M18: 11,292,395 km (0.103 R)
• M19: 12,849,859 km (0.099 R)
• M20: 13,927,263 km (0.076 R)
• M21: 15,005,414 km (0.069 R)
• M22: 16,383,510 km (0.075 R)
• M23: 17,909,109 km (0.117 R)
• M24: 18,438,087 km (0.111 R)
• M25: 20,016,644 km (0.088 R)
• M26: 23,127,831 km (0.082 R)
• M27: 23,596,970 km (0.108 R)
• M28: 24,393,130 km (0.108 R)
• M29: 26,461,470 km (0.066 R)
• M30: 29,916,732 km (0.048 R)
• M31: 31,417,198 km (0.067 R)
• M32: 31,896,211 km (0.062 R)
• M33: 32,672,773 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.6

Radius: 5.5

Gravity: 31.23 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.27 AU - 11.01 AU

Year: 18427 Days

Day: 16.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,775,912 km

• M1: 71,807 km (0.094 R)
• M2: 738,714 km (0.092 R)
• M3: 1,108,221 km (0.09 R)
• M4: 1,492,987 km (0.082 R)
• M5: 2,253,393 km (0.1 R)
• M6: 2,501,725 km (0.086 R)
• M7: 3,533,203 km (0.109 R)
• M8: 5,119,688 km (0.093 R)
• M9: 9,040,349 km (0.07 R)
• M10: 9,552,422 km (0.068 R)
• M11: 10,325,843 km (0.095 R)
• M12: 11,662,201 km (0.115 R)
• M13: 13,109,860 km (0.069 R)
• M14: 13,398,584 km (0.101 R)
• M15: 13,691,496 km (0.038 R)
• M16: 19,256,088 km (0.09 R)
• M17: 24,929,139 km (0.111 R)
• M18: 28,262,778 km (0.082 R)
• M19: 29,849,114 km (0.103 R)
• M20: 30,474,732 km (0.103 R)
• M21: 36,932,124 km (0.119 R)
• M22: 37,363,564 km (0.12 R)
• M23: 45,221,492 km (0.12 R)
• M24: 46,212,727 km (0.051 R)
• M25: 50,498,556 km (0.045 R)
• M26: 51,030,078 km (0.101 R)
• M27: 54,112,243 km (0.08 R)
• M28: 59,062,885 km (0.101 R)
• M29: 60,246,653 km (0.084 R)
• M30: 65,559,621 km (0.045 R)
• M31: 66,828,510 km (0.08 R)
• M32: 78,518,836 km (0.181 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.3

Radius: 6.3

Gravity: 21.85 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.57 AU - 10.57 AU

Year: 19742 Days

Day: 23 Hours

Environment

Temp: -239 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,775,912 km

• M1: 89,160 km (0.076 R)
• M2: 628,760 km (0.097 R)
• M3: 855,101 km (0.099 R)
• M4: 1,292,077 km (0.09 R)
• M5: 1,755,381 km (0.105 R)
• M6: 3,819,084 km (0.082 R)
• M7: 4,551,964 km (0.106 R)
• M8: 5,947,712 km (0.117 R)
• M9: 6,605,793 km (0.045 R)
• M10: 11,149,679 km (0.077 R)
• M11: 16,067,858 km (0.094 R)
• M12: 18,222,068 km (0.051 R)
• M13: 24,708,931 km (0.108 R)
• M14: 37,735,315 km (0.044 R)
• M15: 38,916,689 km (0.102 R)
• M16: 41,820,833 km (0.051 R)
• M17: 43,085,533 km (0.105 R)
• M18: 56,207,660 km (0.099 R)
• M19: 62,944,351 km (0.089 R)
• M20: 72,434,840 km (0.209 R)
• M21: 81,606,536 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.2

Radius: 4.3

Gravity: 42.14 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 8.32 AU - 11.8 AU

Year: 21278 Days

Day: 22 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,775,912 km

• M1: 53,406 km (0.084 R)
• M2: 243,695 km (0.114 R)
• M3: 467,045 km (0.095 R)
• M4: 705,354 km (0.116 R)
• M5: 1,021,155 km (0.032 R)
• M6: 1,457,682 km (0.08 R)
• M7: 2,009,099 km (0.101 R)
• M8: 2,198,790 km (0.063 R)
• M9: 6,051,832 km (0.102 R)
• M10: 6,676,553 km (0.109 R)
• M11: 8,317,193 km (0.032 R)
• M12: 12,160,961 km (0.066 R)
• M13: 14,737,036 km (0.081 R)
• M14: 16,785,031 km (0.093 R)
• M15: 17,654,793 km (0.062 R)
• M16: 20,935,624 km (0.092 R)
• M17: 29,411,241 km (0.081 R)
• M18: 32,101,908 km (0.055 R)
• M19: 38,262,199 km (0.101 R)
• M20: 47,353,112 km (0.051 R)
• M21: 48,734,050 km (0.109 R)
• M22: 51,395,246 km (0.043 R)
• M23: 51,575,960 km (0.104 R)
• M24: 52,120,796 km (0.088 R)
• M25: 57,782,477 km (0.041 R)
• M26: 59,557,605 km (0.052 R)
• M27: 62,185,441 km (0.054 R)
• M28: 73,699,391 km (0.207 R)
• M29: 78,149,778 km (0.074 R)
• M30: 81,295,821 km (0.046 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 17,223 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit