🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.3

Radius: 9.4

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.74 AU - 0.86 AU

Year: 455 Days

Day: 13 Hours

Environment

Temp: -137 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 64,633,875 km

• M1: 116,986 km (0.113 R)
• M2: 410,796 km (0.104 R)
• M3: 926,609 km (0.092 R)
• M4: 1,290,431 km (0.099 R)
• M5: 2,048,144 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.2

Radius: 8.3

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.81 AU - 0.83 AU

Year: 472 Days

Day: 5.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,633,875 km

• M1: 103,223 km (0.099 R)
• M2: 372,349 km (0.111 R)
• M3: 654,491 km (0.118 R)
• M4: 1,182,422 km (0.118 R)
• M5: 1,631,514 km (0.071 R)
• M6: 2,331,932 km (0.09 R)
• M7: 3,208,426 km (0.041 R)
• M8: 3,548,761 km (0.078 R)
• M9: 3,852,594 km (0.112 R)
• M10: 4,512,769 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.5

Radius: 14.9

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.88 AU - 1.34 AU

Year: 744 Days

Day: 10.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,633,875 km

• M1: 185,352 km (0.052 R)
• M2: 692,638 km (0.048 R)
• M3: 1,253,630 km (0.11 R)
• M4: 1,728,304 km (0.079 R)
• M5: 2,306,350 km (0.116 R)
• M6: 3,451,672 km (0.109 R)
• M7: 4,213,574 km (0.078 R)
• M8: 4,932,242 km (0.079 R)
• M9: 5,997,528 km (0.099 R)
• M10: 6,930,720 km (0.049 R)
• M11: 7,499,940 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119

Radius: 11.8

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.38 AU - 2.2 AU

Year: 1523 Days

Day: 8.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,633,875 km

• M1: 146,756 km (0.092 R)
• M2: 544,387 km (0.104 R)
• M3: 1,087,277 km (0.067 R)
• M4: 1,644,230 km (0.086 R)
• M5: 2,163,185 km (0.107 R)
• M6: 3,044,616 km (0.106 R)
• M7: 5,157,686 km (0.106 R)
• M8: 6,889,281 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.8

Radius: 14.8

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.7 AU - 2.6 AU

Year: 2004 Days

Day: 7.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,633,875 km

• M1: 184,155 km (0.1 R)
• M2: 896,390 km (0.058 R)
• M3: 1,948,063 km (0.111 R)
• M4: 2,504,119 km (0.034 R)
• M5: 3,037,734 km (0.079 R)
• M6: 3,775,102 km (0.115 R)
• M7: 4,587,269 km (0.046 R)
• M8: 5,537,664 km (0.108 R)
• M9: 6,009,047 km (0.079 R)
• M10: 6,808,349 km (0.095 R)
• M11: 7,321,320 km (0.091 R)
• M12: 11,002,325 km (0.118 R)
• M13: 13,527,986 km (0.049 R)
• M14: 14,667,174 km (0.098 R)
• M15: 15,968,526 km (0.109 R)
• M16: 17,084,675 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.9

Radius: 9.7

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.49 AU - 3.53 AU

Year: 3320 Days

Day: 8.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,633,875 km

• M1: 120,725 km (0.108 R)
• M2: 429,495 km (0.11 R)
• M3: 1,403,976 km (0.104 R)
• M4: 1,739,225 km (0.077 R)
• M5: 3,230,566 km (0.082 R)
• M6: 3,950,281 km (0.03 R)
• M7: 4,302,884 km (0.081 R)
• M8: 5,148,261 km (0.071 R)
• M9: 5,624,282 km (0.035 R)
• M10: 6,422,985 km (0.062 R)
• M11: 6,725,920 km (0.099 R)
• M12: 7,230,514 km (0.1 R)
• M13: 9,084,630 km (0.074 R)
• M14: 10,679,493 km (0.106 R)
• M15: 12,640,721 km (0.088 R)
• M16: 14,057,862 km (0.06 R)
• M17: 14,988,959 km (0.1 R)
• M18: 17,850,467 km (0.117 R)
• M19: 23,827,051 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.5

Radius: 4.2

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.24 AU - 7 AU

Year: 10830 Days

Day: 20.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,633,875 km

• M1: 54,454 km (0.053 R)
• M2: 292,165 km (0.043 R)
• M3: 584,479 km (0.1 R)
• M4: 1,571,526 km (0.095 R)
• M5: 2,247,708 km (0.111 R)
• M6: 3,005,870 km (0.112 R)
• M7: 3,639,567 km (0.108 R)
• M8: 3,943,250 km (0.12 R)
• M9: 5,193,440 km (0.104 R)
• M10: 5,578,205 km (0.118 R)
• M11: 6,190,659 km (0.076 R)
• M12: 9,649,811 km (0.095 R)
• M13: 10,922,290 km (0.111 R)
• M14: 11,324,858 km (0.108 R)
• M15: 11,552,696 km (0.088 R)
• M16: 11,737,150 km (0.106 R)
• M17: 13,034,462 km (0.104 R)
• M18: 13,234,475 km (0.094 R)
• M19: 14,800,166 km (0.061 R)
• M20: 15,909,883 km (0.058 R)
• M21: 16,955,123 km (0.114 R)
• M22: 18,670,712 km (0.064 R)
• M23: 19,052,934 km (0.119 R)
• M24: 19,766,965 km (0.092 R)
• M25: 22,086,779 km (0.061 R)
• M26: 23,092,526 km (0.059 R)
• M27: 23,532,792 km (0.052 R)
• M28: 25,427,449 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.2

Radius: 5.1

Gravity: 19.35 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.86 AU - 8.78 AU

Year: 12592 Days

Day: 23.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 64,633,875 km

• M1: 64,477 km (0.048 R)
• M2: 240,254 km (0.098 R)
• M3: 408,851 km (0.119 R)
• M4: 660,475 km (0.092 R)
• M5: 1,022,202 km (0.104 R)
• M6: 1,383,032 km (0.069 R)
• M7: 2,698,446 km (0.116 R)
• M8: 3,848,854 km (0.086 R)
• M9: 4,012,514 km (0.053 R)
• M10: 4,324,874 km (0.114 R)
• M11: 4,501,998 km (0.059 R)
• M12: 4,839,491 km (0.114 R)
• M13: 5,530,184 km (0.095 R)
• M14: 5,774,328 km (0.112 R)
• M15: 6,397,553 km (0.102 R)
• M16: 6,589,038 km (0.104 R)
• M17: 9,293,768 km (0.102 R)
• M18: 9,689,304 km (0.064 R)
• M19: 11,894,527 km (0.116 R)
• M20: 12,658,224 km (0.068 R)
• M21: 16,041,529 km (0.084 R)
• M22: 16,899,772 km (0.104 R)
• M23: 18,552,230 km (0.117 R)
• M24: 19,337,769 km (0.067 R)
• M25: 20,145,298 km (0.089 R)
• M26: 23,328,741 km (0.049 R)
• M27: 25,659,775 km (0.078 R)
• M28: 27,431,313 km (0.098 R)
• M29: 31,325,495 km (0.054 R)
• M30: 32,101,459 km (0.052 R)
• M31: 32,325,407 km (0.105 R)
• M32: 34,388,960 km (0.093 R)
• M33: 35,453,050 km (0.048 R)
• M34: 41,368,000 km (0.092 R)
• M35: 44,488,312 km (0.057 R)
• M36: 46,176,973 km (0.088 R)
• M37: 47,326,034 km (0.059 R)
• M38: 48,937,203 km (0.111 R)
• M39: 50,131,593 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.7

Radius: 3.4

Gravity: 79.65 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.33 AU - 8.01 AU

Year: 13506 Days

Day: 18.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 64,633,875 km

• M1: 42,336 km (0.111 R)
• M2: 168,447 km (0.112 R)
• M3: 365,318 km (0.11 R)
• M4: 711,487 km (0.049 R)
• M5: 838,496 km (0.059 R)
• M6: 1,113,307 km (0.09 R)
• M7: 1,768,845 km (0.117 R)
• M8: 3,106,400 km (0.087 R)
• M9: 3,421,303 km (0.115 R)
• M10: 4,301,388 km (0.119 R)
• M11: 5,657,791 km (0.102 R)
• M12: 6,748,360 km (0.082 R)
• M13: 7,096,624 km (0.071 R)
• M14: 8,711,682 km (0.095 R)
• M15: 8,916,332 km (0.116 R)
• M16: 9,072,064 km (0.117 R)
• M17: 10,730,206 km (0.108 R)
• M18: 13,106,718 km (0.059 R)
• M19: 15,361,906 km (0.105 R)
• M20: 17,054,008 km (0.11 R)
• M21: 18,193,195 km (0.116 R)
• M22: 18,866,535 km (0.101 R)
• M23: 20,084,262 km (0.109 R)
• M24: 23,062,756 km (0.117 R)
• M25: 25,899,281 km (0.03 R)
• M26: 26,535,970 km (0.076 R)
• M27: 33,486,586 km (0.114 R)
• M28: 35,786,503 km (0.075 R)
• M29: 36,974,909 km (0.079 R)
• M30: 37,511,516 km (0.112 R)
• M31: 40,131,125 km (0.112 R)
• M32: 42,722,908 km (0.035 R)
• M33: 46,972,834 km (0.114 R)
• M34: 47,286,690 km (0.079 R)
• M35: 48,556,327 km (0.089 R)
• M36: 51,829,529 km (0.077 R)
• M37: 57,367,492 km (0.08 R)
• M38: 58,993,322 km (0.087 R)
• M39: 64,247,050 km (0.101 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 10,938 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit