🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.2

Radius: 11.3

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.47 AU - 0.55 AU

Year: 256 Days

Day: 10.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 65,407,737 km

• M1: 140,472 km (0.054 R)
• M2: 652,696 km (0.096 R)
• M3: 1,278,015 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.6

Radius: 13.9

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.9 AU - 1.3 AU

Year: 811 Days

Day: 12.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,407,737 km

• M1: 172,935 km (0.072 R)
• M2: 655,089 km (0.096 R)
• M3: 1,116,150 km (0.036 R)
• M4: 1,560,007 km (0.111 R)
• M5: 2,627,986 km (0.111 R)
• M6: 3,276,792 km (0.085 R)
• M7: 3,835,540 km (0.097 R)
• M8: 4,328,166 km (0.063 R)
• M9: 4,985,798 km (0.105 R)
• M10: 5,866,181 km (0.073 R)
• M11: 6,312,881 km (0.1 R)
• M12: 7,048,004 km (0.11 R)
• M13: 7,863,762 km (0.078 R)
• M14: 8,819,991 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.1

Radius: 13.9

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2 AU - 2.08 AU

Year: 2048 Days

Day: 7.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,407,737 km

• M1: 172,935 km (0.042 R)
• M2: 625,917 km (0.099 R)
• M3: 1,231,639 km (0.06 R)
• M4: 2,815,432 km (0.11 R)
• M5: 3,463,340 km (0.117 R)
• M6: 3,937,566 km (0.107 R)
• M7: 4,611,504 km (0.119 R)
• M8: 5,651,658 km (0.086 R)
• M9: 7,105,450 km (0.108 R)
• M10: 7,934,222 km (0.085 R)
• M11: 9,361,536 km (0.072 R)
• M12: 10,496,385 km (0.081 R)
• M13: 11,314,685 km (0.107 R)
• M14: 11,758,393 km (0.101 R)
• M15: 12,329,258 km (0.096 R)
• M16: 12,838,938 km (0.115 R)
• M17: 13,281,299 km (0.09 R)
• M18: 14,281,660 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.7

Radius: 6.8

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.11 AU - 7.53 AU

Year: 12519 Days

Day: 15.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,407,737 km

• M1: 84,972 km (0.098 R)
• M2: 313,258 km (0.106 R)
• M3: 650,152 km (0.06 R)
• M4: 892,052 km (0.077 R)
• M5: 1,420,881 km (0.046 R)
• M6: 1,675,795 km (0.093 R)
• M7: 1,929,663 km (0.116 R)
• M8: 2,386,385 km (0.101 R)
• M9: 2,729,114 km (0.085 R)
• M10: 3,126,296 km (0.072 R)
• M11: 4,608,662 km (0.079 R)
• M12: 4,989,538 km (0.095 R)
• M13: 5,747,849 km (0.116 R)
• M14: 6,365,090 km (0.053 R)
• M15: 8,269,172 km (0.077 R)
• M16: 8,482,648 km (0.109 R)
• M17: 9,055,010 km (0.083 R)
• M18: 9,327,726 km (0.093 R)
• M19: 9,605,978 km (0.117 R)
• M20: 10,033,679 km (0.064 R)
• M21: 10,673,808 km (0.029 R)
• M22: 11,980,695 km (0.095 R)
• M23: 12,309,661 km (0.082 R)
• M24: 13,864,880 km (0.091 R)
• M25: 14,720,879 km (0.1 R)
• M26: 20,766,578 km (0.071 R)
• M27: 21,561,990 km (0.042 R)
• M28: 28,768,568 km (0.114 R)
• M29: 32,749,068 km (0.081 R)
• M30: 33,500,349 km (0.037 R)
• M31: 35,484,914 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672

Radius: 7.9

Gravity: 10.77 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 7.31 AU - 8.43 AU

Year: 15519 Days

Day: 17 Hours

Environment

Temp: -234 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,407,737 km

• M1: 98,286 km (0.093 R)
• M2: 344,973 km (0.116 R)
• M3: 936,183 km (0.077 R)
• M4: 1,978,881 km (0.108 R)
• M5: 2,409,872 km (0.059 R)
• M6: 3,022,924 km (0.063 R)
• M7: 4,820,941 km (0.118 R)
• M8: 5,095,902 km (0.025 R)
• M9: 5,753,385 km (0.064 R)
• M10: 8,018,446 km (0.105 R)
• M11: 8,307,619 km (0.1 R)
• M12: 8,653,788 km (0.08 R)
• M13: 9,534,620 km (0.114 R)
• M14: 10,819,666 km (0.115 R)
• M15: 11,352,683 km (0.105 R)
• M16: 12,216,611 km (0.107 R)
• M17: 14,495,884 km (0.115 R)
• M18: 18,010,985 km (0.097 R)
• M19: 19,013,590 km (0.112 R)
• M20: 26,244,254 km (0.059 R)
• M21: 27,205,869 km (0.112 R)
• M22: 27,859,911 km (0.093 R)
• M23: 29,086,164 km (0.107 R)
• M24: 34,732,736 km (0.064 R)
• M25: 35,631,670 km (0.092 R)
• M26: 38,014,465 km (0.115 R)
• M27: 40,501,529 km (0.092 R)
• M28: 40,926,387 km (0.066 R)
• M29: 41,211,221 km (0.111 R)
• M30: 44,733,354 km (0.088 R)
• M31: 45,339,225 km (0.088 R)
• M32: 47,660,236 km (0.097 R)
• M33: 49,250,761 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.5

Radius: 5.6

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.2 AU - 9.56 AU

Year: 18601 Days

Day: 16.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,407,737 km

• M1: 78,240 km (0.055 R)
• M2: 288,275 km (0.038 R)
• M3: 479,162 km (0.074 R)
• M4: 859,889 km (0.11 R)
• M5: 1,553,125 km (0.11 R)
• M6: 1,852,171 km (0.094 R)
• M7: 2,264,762 km (0.1 R)
• M8: 2,736,594 km (0.111 R)
• M9: 3,551,154 km (0.069 R)
• M10: 3,737,104 km (0.08 R)
• M11: 4,863,277 km (0.086 R)
• M12: 6,352,674 km (0.102 R)
• M13: 7,807,064 km (0.109 R)
• M14: 11,644,249 km (0.073 R)
• M15: 11,878,370 km (0.096 R)
• M16: 13,350,413 km (0.067 R)
• M17: 14,666,575 km (0.088 R)
• M18: 15,216,497 km (0.103 R)
• M19: 15,923,048 km (0.082 R)
• M20: 19,211,957 km (0.117 R)
• M21: 19,787,011 km (0.112 R)
• M22: 21,318,445 km (0.072 R)
• M23: 31,739,133 km (0.069 R)
• M24: 33,124,260 km (0.097 R)
• M25: 34,790,481 km (0.085 R)
• M26: 35,154,752 km (0.097 R)
• M27: 42,428,649 km (0.086 R)
• M28: 42,983,507 km (0.113 R)
• M29: 45,685,544 km (0.059 R)
• M30: 46,856,447 km (0.116 R)
• M31: 48,801,518 km (0.109 R)
• M32: 54,467,538 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480

Radius: 3.2

Gravity: 46.88 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.94 AU - 10.1 AU

Year: 19042 Days

Day: 20.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 65,407,737 km

• M1: 39,943 km (0.049 R)
• M2: 176,825 km (0.077 R)
• M3: 287,976 km (0.107 R)
• M4: 555,008 km (0.04 R)
• M5: 804,388 km (0.043 R)
• M6: 1,085,931 km (0.09 R)
• M7: 1,987,109 km (0.085 R)
• M8: 2,325,499 km (0.078 R)
• M9: 3,192,419 km (0.103 R)
• M10: 5,878,149 km (0.083 R)
• M11: 6,116,309 km (0.115 R)
• M12: 6,361,051 km (0.092 R)
• M13: 6,569,890 km (0.03 R)
• M14: 7,872,438 km (0.092 R)
• M15: 8,161,910 km (0.095 R)
• M16: 8,968,392 km (0.074 R)
• M17: 11,642,903 km (0.11 R)
• M18: 13,533,371 km (0.1 R)
• M19: 14,731,650 km (0.103 R)
• M20: 15,244,921 km (0.107 R)
• M21: 17,744,103 km (0.1 R)
• M22: 19,263,119 km (0.058 R)
• M23: 20,502,987 km (0.086 R)
• M24: 21,513,819 km (0.066 R)
• M25: 24,847,159 km (0.03 R)
• M26: 25,156,827 km (0.112 R)
• M27: 28,060,521 km (0.049 R)
• M28: 28,508,866 km (0.107 R)
• M29: 30,467,551 km (0.051 R)
• M30: 31,179,787 km (0.083 R)
• M31: 31,540,018 km (0.077 R)
• M32: 32,268,710 km (0.095 R)
• M33: 37,959,263 km (0.114 R)
• M34: 40,183,933 km (0.111 R)
• M35: 52,788,750 km (0.077 R)
• M36: 53,815,141 km (0.095 R)
• M37: 55,379,636 km (0.112 R)
• M38: 64,626,430 km (0.076 R)
• M39: 64,821,206 km (0.105 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 12,649 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit