🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.6

Radius: 9.5

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.38 AU - 1.94 AU

Year: 1381 Days

Day: 5.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,869,592 km

• M1: 124,465 km (0.058 R)
• M2: 430,991 km (0.078 R)
• M3: 819,348 km (0.107 R)
• M4: 1,589,029 km (0.064 R)
• M5: 2,044,255 km (0.12 R)
• M6: 2,478,837 km (0.069 R)
• M7: 3,475,757 km (0.104 R)
• M8: 5,187,905 km (0.063 R)
• M9: 5,483,360 km (0.089 R)
• M10: 5,852,717 km (0.054 R)
• M11: 7,181,745 km (0.066 R)
• M12: 8,456,917 km (0.091 R)
• M13: 9,639,937 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.3

Radius: 9

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.75 AU - 2.29 AU

Year: 1854 Days

Day: 14.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,869,592 km

• M1: 119,379 km (0.028 R)
• M2: 404,662 km (0.075 R)
• M3: 834,307 km (0.092 R)
• M4: 1,307,485 km (0.045 R)
• M5: 2,010,595 km (0.098 R)
• M6: 2,333,876 km (0.059 R)
• M7: 2,706,674 km (0.102 R)
• M8: 3,232,361 km (0.081 R)
• M9: 3,520,038 km (0.029 R)
• M10: 3,974,217 km (0.111 R)
• M11: 4,365,415 km (0.115 R)
• M12: 4,956,177 km (0.045 R)
• M13: 5,363,383 km (0.086 R)
• M14: 5,743,960 km (0.096 R)
• M15: 6,995,346 km (0.029 R)
• M16: 7,625,901 km (0.095 R)
• M17: 9,233,330 km (0.111 R)
• M18: 10,314,324 km (0.081 R)
• M19: 10,754,741 km (0.107 R)
• M20: 12,354,391 km (0.063 R)
• M21: 13,019,802 km (0.104 R)
• M22: 13,577,802 km (0.113 R)
• M23: 14,196,539 km (0.088 R)
• M24: 14,649,820 km (0.088 R)
• M25: 15,395,266 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.7

Radius: 10.8

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.97 AU - 2.09 AU

Year: 1867 Days

Day: 8 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,869,592 km

• M1: 138,528 km (0.081 R)
• M2: 530,474 km (0.068 R)
• M3: 1,994,738 km (0.093 R)
• M4: 2,449,067 km (0.109 R)
• M5: 3,346,205 km (0.063 R)
• M6: 3,910,937 km (0.068 R)
• M7: 4,574,104 km (0.115 R)
• M8: 5,865,433 km (0.047 R)
• M9: 8,562,833 km (0.12 R)
• M10: 9,038,853 km (0.082 R)
• M11: 9,800,904 km (0.104 R)
• M12: 10,510,148 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.8

Radius: 11.2

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.7 AU - 3.26 AU

Year: 3322 Days

Day: 11.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,869,592 km

• M1: 160,967 km (0.096 R)
• M2: 569,519 km (0.085 R)
• M3: 1,430,904 km (0.07 R)
• M4: 1,908,869 km (0.084 R)
• M5: 2,481,230 km (0.117 R)
• M6: 4,306,474 km (0.058 R)
• M7: 5,743,661 km (0.076 R)
• M8: 7,622,909 km (0.118 R)
• M9: 8,271,865 km (0.113 R)
• M10: 9,453,688 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.1

Radius: 13.1

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.9 AU - 3.54 AU

Year: 3731 Days

Day: 6.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,869,592 km

• M1: 162,912 km (0.119 R)
• M2: 688,150 km (0.054 R)
• M3: 1,229,844 km (0.08 R)
• M4: 2,066,545 km (0.054 R)
• M5: 2,825,754 km (0.098 R)
• M6: 3,287,413 km (0.112 R)
• M7: 3,728,428 km (0.114 R)
• M8: 5,641,934 km (0.105 R)
• M9: 6,102,396 km (0.095 R)
• M10: 6,666,829 km (0.112 R)
• M11: 7,265,969 km (0.112 R)
• M12: 8,080,379 km (0.091 R)
• M13: 8,986,942 km (0.099 R)
• M14: 9,651,007 km (0.056 R)
• M15: 10,854,971 km (0.107 R)
• M16: 16,246,927 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.2

Radius: 6.2

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.1 AU - 7.5 AU

Year: 12735 Days

Day: 20 Hours

Environment

Temp: -234 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,869,592 km

• M1: 104,868 km (0.089 R)
• M2: 322,683 km (0.101 R)
• M3: 749,186 km (0.081 R)
• M4: 1,085,033 km (0.064 R)
• M5: 2,125,337 km (0.071 R)
• M6: 2,842,659 km (0.117 R)
• M7: 3,211,417 km (0.112 R)
• M8: 4,982,955 km (0.026 R)
• M9: 5,920,635 km (0.03 R)
• M10: 6,706,772 km (0.048 R)
• M11: 8,140,069 km (0.062 R)
• M12: 8,484,294 km (0.093 R)
• M13: 14,132,361 km (0.038 R)
• M14: 27,866,343 km (0.051 R)
• M15: 28,353,284 km (0.115 R)
• M16: 29,444,601 km (0.114 R)
• M17: 43,484,511 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.3

Radius: 6.1

Gravity: 16.64 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 9.04 AU - 11.48 AU

Year: 21220 Days

Day: 18.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 53,869,592 km

• M1: 76,594 km (0.109 R)
• M2: 281,244 km (0.078 R)
• M3: 617,091 km (0.106 R)
• M4: 923,767 km (0.109 R)
• M5: 1,808,788 km (0.084 R)
• M6: 2,309,791 km (0.111 R)
• M7: 2,557,824 km (0.096 R)
• M8: 3,107,597 km (0.093 R)
• M9: 3,353,984 km (0.041 R)
• M10: 3,886,253 km (0.104 R)
• M11: 5,154,993 km (0.068 R)
• M12: 9,806,290 km (0.115 R)
• M13: 10,218,283 km (0.068 R)
• M14: 11,013,844 km (0.108 R)
• M15: 12,249,672 km (0.056 R)
• M16: 15,939,204 km (0.095 R)
• M17: 19,560,819 km (0.113 R)
• M18: 20,213,365 km (0.03 R)
• M19: 20,497,451 km (0.087 R)
• M20: 21,365,568 km (0.06 R)
• M21: 23,590,687 km (0.097 R)
• M22: 24,543,924 km (0.108 R)
• M23: 26,981,622 km (0.117 R)
• M24: 28,258,888 km (0.084 R)
• M25: 29,454,624 km (0.078 R)
• M26: 32,203,335 km (0.078 R)
• M27: 34,575,658 km (0.106 R)
• M28: 40,709,470 km (0.072 R)
• M29: 41,011,209 km (0.078 R)
• M30: 41,925,402 km (0.075 R)
• M31: 48,538,824 km (0.116 R)
• M32: 57,314,385 km (0.118 R)
• M33: 59,808,182 km (0.119 R)
• M34: 67,300,342 km (0.085 R)
• M35: 71,161,164 km (0.069 R)
• M36: 72,259,362 km (0.089 R)
• M37: 72,923,576 km (0.029 R)
• M38: 73,591,830 km (0.106 R)
• M39: 76,077,399 km (0.03 R)
• M40: 76,305,984 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171

Radius: 5.2

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 10.36 AU - 11.82 AU

Year: 23846 Days

Day: 20 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,869,592 km

• M1: 64,626 km (0.052 R)
• M2: 272,867 km (0.069 R)
• M3: 780,901 km (0.085 R)
• M4: 988,692 km (0.108 R)
• M5: 3,355,480 km (0.088 R)
• M6: 4,108,257 km (0.054 R)
• M7: 5,132,853 km (0.081 R)
• M8: 6,015,031 km (0.112 R)
• M9: 6,750,006 km (0.088 R)
• M10: 13,582,589 km (0.094 R)
• M11: 20,147,243 km (0.054 R)
• M12: 23,128,728 km (0.025 R)
• M13: 26,391,608 km (0.068 R)
• M14: 32,874,880 km (0.109 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 14,413 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit