🌌 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: 30.4

Radius: 13.3

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.48 AU - 0.74 AU

Year: 329 Days

Day: 10 Hours

Environment

Temp: -152 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 78,843,036 km

• M1: 165,455 km (0.076 R)
• M2: 933,940 km (0.101 R)
• M3: 1,512,883 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.9

Radius: 13.8

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.79 AU - 0.93 AU

Year: 551 Days

Day: 9.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,843,036 km

• M1: 175,777 km (0.102 R)
• M2: 605,722 km (0.109 R)
• M3: 1,055,563 km (0.104 R)
• M4: 1,973,794 km (0.101 R)
• M5: 2,632,773 km (0.099 R)
• M6: 3,064,812 km (0.109 R)
• M7: 3,771,362 km (0.076 R)
• M8: 4,643,518 km (0.025 R)
• M9: 5,478,124 km (0.114 R)
• M10: 5,923,028 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.3

Radius: 8.2

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.71 AU - 1.09 AU

Year: 589 Days

Day: 11.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,843,036 km

• M1: 102,475 km (0.045 R)
• M2: 484,996 km (0.092 R)
• M3: 842,834 km (0.103 R)
• M4: 1,347,129 km (0.097 R)
• M5: 1,625,830 km (0.093 R)
• M6: 1,934,749 km (0.085 R)
• M7: 2,331,483 km (0.106 R)
• M8: 2,682,888 km (0.051 R)
• M9: 3,202,292 km (0.042 R)
• M10: 3,545,021 km (0.025 R)
• M11: 4,040,040 km (0.077 R)
• M12: 4,868,364 km (0.094 R)
• M13: 5,786,894 km (0.1 R)
• M14: 6,755,092 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.9

Radius: 13

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.2 AU - 1.7 AU

Year: 1205 Days

Day: 5.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,843,036 km

• M1: 161,865 km (0.092 R)
• M2: 774,618 km (0.06 R)
• M3: 1,207,255 km (0.088 R)
• M4: 2,449,815 km (0.062 R)
• M5: 2,986,123 km (0.104 R)
• M6: 4,181,260 km (0.083 R)
• M7: 4,626,165 km (0.1 R)
• M8: 5,083,934 km (0.037 R)
• M9: 5,551,727 km (0.103 R)
• M10: 6,285,803 km (0.098 R)
• M11: 7,012,699 km (0.057 R)
• M12: 7,470,469 km (0.081 R)
• M13: 9,161,224 km (0.101 R)
• M14: 9,738,522 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.5

Radius: 9.6

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.65 AU - 1.69 AU

Year: 1490 Days

Day: 10.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,843,036 km

• M1: 119,977 km (0.119 R)
• M2: 429,645 km (0.108 R)
• M3: 1,335,161 km (0.094 R)
• M4: 1,742,067 km (0.087 R)
• M5: 2,136,407 km (0.104 R)
• M6: 2,590,138 km (0.059 R)
• M7: 3,257,194 km (0.104 R)
• M8: 3,737,404 km (0.081 R)
• M9: 4,314,403 km (0.053 R)
• M10: 4,857,892 km (0.118 R)
• M11: 5,232,335 km (0.03 R)
• M12: 5,707,009 km (0.089 R)
• M13: 7,209,570 km (0.063 R)
• M14: 8,234,166 km (0.096 R)
• M15: 9,757,222 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 760.2

Radius: 4.4

Gravity: 39.27 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.54 AU - 8.36 AU

Year: 15473 Days

Day: 18 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,843,036 km

• M1: 54,753 km (0.093 R)
• M2: 248,632 km (0.101 R)
• M3: 428,747 km (0.114 R)
• M4: 695,780 km (0.098 R)
• M5: 1,006,494 km (0.114 R)
• M6: 1,154,596 km (0.029 R)
• M7: 1,331,571 km (0.061 R)
• M8: 1,955,394 km (0.079 R)
• M9: 2,108,283 km (0.096 R)
• M10: 2,374,118 km (0.084 R)
• M11: 2,616,168 km (0.101 R)
• M12: 4,205,196 km (0.028 R)
• M13: 5,743,810 km (0.103 R)
• M14: 6,180,187 km (0.073 R)
• M15: 8,051,357 km (0.103 R)
• M16: 8,699,415 km (0.117 R)
• M17: 9,381,731 km (0.072 R)
• M18: 11,211,762 km (0.075 R)
• M19: 11,579,474 km (0.107 R)
• M20: 11,955,263 km (0.09 R)
• M21: 14,097,954 km (0.108 R)
• M22: 14,816,772 km (0.063 R)
• M23: 16,483,591 km (0.098 R)
• M24: 26,072,067 km (0.042 R)
• M25: 27,262,716 km (0.06 R)
• M26: 30,220,116 km (0.084 R)
• M27: 31,654,311 km (0.094 R)
• M28: 37,846,017 km (0.098 R)
• M29: 39,651,963 km (0.104 R)
• M30: 40,791,450 km (0.104 R)
• M31: 42,099,085 km (0.096 R)
• M32: 45,722,644 km (0.109 R)
• M33: 46,502,797 km (0.108 R)
• M34: 47,450,649 km (0.042 R)
• M35: 55,325,781 km (0.109 R)
• M36: 56,747,559 km (0.1 R)
• M37: 61,915,118 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.6

Radius: 3.1

Gravity: 91.63 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 8.56 AU - 9.42 AU

Year: 18606 Days

Day: 24.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,843,036 km

• M1: 39,344 km (0.036 R)
• M2: 155,283 km (0.106 R)
• M3: 331,958 km (0.061 R)
• M4: 669,002 km (0.119 R)
• M5: 1,472,193 km (0.068 R)
• M6: 1,677,441 km (0.076 R)
• M7: 2,103,047 km (0.092 R)
• M8: 2,432,013 km (0.091 R)
• M9: 2,572,635 km (0.041 R)
• M10: 2,896,364 km (0.076 R)
• M11: 3,218,598 km (0.116 R)
• M12: 5,158,135 km (0.1 R)
• M13: 5,711,796 km (0.116 R)
• M14: 5,876,952 km (0.117 R)
• M15: 6,088,035 km (0.108 R)
• M16: 9,028,830 km (0.063 R)
• M17: 9,538,659 km (0.085 R)
• M18: 10,865,293 km (0.115 R)
• M19: 11,376,768 km (0.116 R)
• M20: 12,173,676 km (0.103 R)
• M21: 12,447,440 km (0.097 R)
• M22: 13,365,373 km (0.056 R)
• M23: 14,251,890 km (0.093 R)
• M24: 14,864,194 km (0.115 R)
• M25: 28,243,480 km (0.096 R)
• M26: 30,069,172 km (0.1 R)
• M27: 32,361,909 km (0.086 R)
• M28: 40,386,488 km (0.07 R)
• M29: 40,537,881 km (0.047 R)
• M30: 42,542,044 km (0.109 R)
• M31: 44,449,567 km (0.113 R)
• M32: 53,012,549 km (0.104 R)
• M33: 63,835,356 km (0.061 R)
• M34: 77,433,055 km (0.061 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 153 - 18,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit