🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.57 AU - 0.61 AU

Year: 293 Days

Day: 33 Hours

Environment

Temp: -136 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.8

Radius: 13.9

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.69 AU - 0.89 AU

Year: 453 Days

Day: 11 Hours

Environment

Temp: -138 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,030,148 km

• M1: 172,935 km (0.085 R)
• M2: 608,115 km (0.095 R)
• M3: 1,187,657 km (0.094 R)
• M4: 1,681,330 km (0.063 R)
• M5: 2,152,564 km (0.085 R)
• M6: 2,924,638 km (0.049 R)
• M7: 4,009,073 km (0.091 R)
• M8: 5,006,592 km (0.075 R)
• M9: 5,581,497 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.5

Radius: 11.1

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.89 AU - 1.17 AU

Year: 675 Days

Day: 7.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,030,148 km

• M1: 138,528 km (0.056 R)
• M2: 670,946 km (0.068 R)
• M3: 1,102,836 km (0.103 R)
• M4: 1,775,278 km (0.107 R)
• M5: 2,130,722 km (0.053 R)
• M6: 2,516,685 km (0.085 R)
• M7: 3,118,368 km (0.109 R)
• M8: 3,825,218 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.6

Radius: 8.9

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.13 AU - 3.13 AU

Year: 2754 Days

Day: 13 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,030,148 km

• M1: 110,702 km (0.091 R)
• M2: 743,053 km (0.075 R)
• M3: 1,034,768 km (0.05 R)
• M4: 1,376,151 km (0.077 R)
• M5: 1,815,669 km (0.088 R)
• M6: 2,278,376 km (0.114 R)
• M7: 2,619,459 km (0.089 R)
• M8: 3,699,256 km (0.064 R)
• M9: 4,070,857 km (0.103 R)
• M10: 4,467,292 km (0.057 R)
• M11: 4,843,680 km (0.044 R)
• M12: 5,460,173 km (0.084 R)
• M13: 6,426,725 km (0.103 R)
• M14: 6,792,192 km (0.057 R)
• M15: 7,112,032 km (0.107 R)
• M16: 7,411,677 km (0.113 R)
• M17: 8,004,234 km (0.1 R)
• M18: 9,569,626 km (0.084 R)
• M19: 10,234,439 km (0.116 R)
• M20: 12,115,782 km (0.115 R)
• M21: 12,587,314 km (0.102 R)
• M22: 13,658,734 km (0.109 R)
• M23: 14,169,611 km (0.115 R)
• M24: 14,645,183 km (0.105 R)
• M25: 15,527,810 km (0.112 R)
• M26: 17,944,115 km (0.115 R)
• M27: 18,500,769 km (0.057 R)
• M28: 19,011,496 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.4

Radius: 12.3

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.08 AU - 3.62 AU

Year: 3959 Days

Day: 13.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,030,148 km

• M1: 153,039 km (0.079 R)
• M2: 687,552 km (0.094 R)
• M3: 1,220,868 km (0.083 R)
• M4: 1,603,540 km (0.037 R)
• M5: 3,102,211 km (0.116 R)
• M6: 3,965,540 km (0.076 R)
• M7: 4,878,985 km (0.082 R)
• M8: 6,166,723 km (0.048 R)
• M9: 6,857,716 km (0.111 R)
• M10: 7,669,434 km (0.114 R)
• M11: 8,696,423 km (0.034 R)
• M12: 9,323,238 km (0.077 R)
• M13: 9,896,348 km (0.118 R)
• M14: 11,067,699 km (0.109 R)
• M15: 12,970,285 km (0.075 R)
• M16: 13,478,170 km (0.073 R)
• M17: 14,264,905 km (0.082 R)
• M18: 15,082,009 km (0.081 R)
• M19: 17,659,580 km (0.119 R)
• M20: 18,410,561 km (0.116 R)
• M21: 19,313,683 km (0.119 R)
• M22: 20,654,679 km (0.098 R)
• M23: 24,430,828 km (0.09 R)
• M24: 25,050,014 km (0.067 R)
• M25: 26,888,572 km (0.078 R)
• M26: 28,050,947 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.6

Radius: 13.4

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.13 AU - 4.45 AU

Year: 4764 Days

Day: 6.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,030,148 km

• M1: 166,652 km (0.069 R)
• M2: 628,461 km (0.104 R)
• M3: 1,277,865 km (0.078 R)
• M4: 1,974,393 km (0.113 R)
• M5: 2,516,535 km (0.051 R)
• M6: 3,794,999 km (0.086 R)
• M7: 4,443,506 km (0.059 R)
• M8: 5,582,693 km (0.066 R)
• M9: 6,267,702 km (0.109 R)
• M10: 6,744,171 km (0.097 R)
• M11: 7,210,617 km (0.032 R)
• M12: 7,806,017 km (0.056 R)
• M13: 12,436,969 km (0.098 R)
• M14: 14,192,350 km (0.083 R)
• M15: 14,628,428 km (0.05 R)
• M16: 16,225,385 km (0.074 R)
• M17: 21,072,805 km (0.111 R)
• M18: 21,497,962 km (0.102 R)
• M19: 22,733,940 km (0.089 R)
• M20: 25,587,070 km (0.114 R)
• M21: 26,974,890 km (0.111 R)
• M22: 27,476,491 km (0.057 R)
• M23: 27,899,105 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.1

Radius: 9.3

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.9 AU - 5.98 AU

Year: 9347 Days

Day: 7.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,030,148 km

• M1: 115,639 km (0.113 R)
• M2: 590,164 km (0.112 R)
• M3: 1,364,632 km (0.089 R)
• M4: 1,947,764 km (0.073 R)
• M5: 2,916,859 km (0.088 R)
• M6: 3,964,194 km (0.102 R)
• M7: 4,661,470 km (0.035 R)
• M8: 5,471,093 km (0.079 R)
• M9: 6,630,028 km (0.037 R)
• M10: 7,327,453 km (0.047 R)
• M11: 8,913,789 km (0.1 R)
• M12: 13,828,977 km (0.111 R)
• M13: 14,264,007 km (0.094 R)
• M14: 18,599,802 km (0.038 R)
• M15: 24,817,988 km (0.11 R)
• M16: 27,455,847 km (0.072 R)
• M17: 32,621,312 km (0.09 R)
• M18: 36,836,531 km (0.102 R)
• M19: 39,631,917 km (0.109 R)
• M20: 40,510,056 km (0.051 R)

Asteroid Belt

Center: 6.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.4

Radius: 4.7

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.4 AU - 8.72 AU

Year: 12112 Days

Day: 18.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,030,148 km

• M1: 58,493 km (0.082 R)
• M2: 269,127 km (0.041 R)
• M3: 440,416 km (0.085 R)
• M4: 618,438 km (0.033 R)
• M5: 1,531,134 km (0.101 R)
• M6: 2,453,704 km (0.088 R)
• M7: 3,378,369 km (0.054 R)
• M8: 3,802,179 km (0.118 R)
• M9: 4,444,553 km (0.118 R)
• M10: 8,661,567 km (0.096 R)
• M11: 9,221,662 km (0.081 R)
• M12: 9,608,222 km (0.12 R)
• M13: 9,965,313 km (0.111 R)
• M14: 11,615,676 km (0.115 R)
• M15: 12,296,197 km (0.118 R)
• M16: 15,936,512 km (0.087 R)
• M17: 18,119,743 km (0.117 R)
• M18: 18,481,770 km (0.077 R)
• M19: 19,282,567 km (0.112 R)
• M20: 19,723,282 km (0.058 R)
• M21: 22,928,118 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.1

Radius: 8

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.04 AU - 9.32 AU

Year: 13742 Days

Day: 18.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,030,148 km

• M1: 102,325 km (0.118 R)
• M2: 383,868 km (0.117 R)
• M3: 708,346 km (0.095 R)
• M4: 1,216,380 km (0.072 R)
• M5: 1,757,775 km (0.116 R)
• M6: 2,084,198 km (0.119 R)
• M7: 2,838,769 km (0.096 R)
• M8: 3,338,426 km (0.096 R)
• M9: 4,753,024 km (0.081 R)
• M10: 5,097,248 km (0.093 R)
• M11: 6,085,043 km (0.087 R)
• M12: 6,605,344 km (0.06 R)
• M13: 8,389,748 km (0.068 R)
• M14: 9,176,633 km (0.114 R)
• M15: 10,950,115 km (0.072 R)
• M16: 12,291,111 km (0.08 R)
• M17: 12,940,814 km (0.041 R)
• M18: 13,675,639 km (0.108 R)
• M19: 16,751,521 km (0.111 R)
• M20: 17,846,727 km (0.091 R)
• M21: 21,502,600 km (0.103 R)
• M22: 25,250,774 km (0.097 R)
• M23: 27,777,033 km (0.078 R)
• M24: 29,101,274 km (0.075 R)
• M25: 34,820,400 km (0.112 R)
• M26: 37,084,115 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.8

Radius: 7.8

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.94 AU - 8.76 AU

Year: 14201 Days

Day: 24.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 46,030,148 km

• M1: 98,136 km (0.099 R)
• M2: 422,165 km (0.097 R)
• M3: 724,054 km (0.092 R)
• M4: 1,021,305 km (0.048 R)
• M5: 1,505,553 km (0.108 R)
• M6: 1,777,971 km (0.108 R)
• M7: 2,117,408 km (0.106 R)
• M8: 2,386,086 km (0.075 R)
• M9: 2,637,410 km (0.102 R)
• M10: 3,014,696 km (0.102 R)
• M11: 5,019,757 km (0.116 R)
• M12: 5,668,114 km (0.068 R)
• M13: 5,942,626 km (0.091 R)
• M14: 6,630,327 km (0.087 R)
• M15: 10,574,325 km (0.077 R)
• M16: 11,044,212 km (0.076 R)
• M17: 11,858,025 km (0.089 R)
• M18: 14,036,020 km (0.055 R)
• M19: 14,539,866 km (0.089 R)
• M20: 15,384,196 km (0.061 R)
• M21: 16,055,442 km (0.065 R)
• M22: 16,467,584 km (0.068 R)
• M23: 18,634,808 km (0.094 R)
• M24: 19,320,415 km (0.06 R)
• M25: 19,865,251 km (0.114 R)
• M26: 21,644,119 km (0.051 R)
• M27: 22,062,844 km (0.108 R)
• M28: 23,791,597 km (0.109 R)
• M29: 26,077,153 km (0.094 R)
• M30: 27,810,843 km (0.094 R)
• M31: 28,907,245 km (0.078 R)
• M32: 29,211,228 km (0.07 R)
• M33: 37,763,439 km (0.074 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: 486 - 14,912 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit