🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.5

Radius: 10.4

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.11 AU - 1.13 AU

Year: 833 Days

Day: 10.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,737,590 km

• M1: 129,402 km (0.11 R)
• M2: 1,080,994 km (0.086 R)
• M3: 1,508,096 km (0.09 R)
• M4: 1,994,588 km (0.11 R)
• M5: 2,333,278 km (0.111 R)
• M6: 3,058,080 km (0.073 R)
• M7: 3,486,378 km (0.05 R)
• M8: 3,885,057 km (0.048 R)
• M9: 5,017,363 km (0.041 R)
• M10: 6,203,525 km (0.115 R)
• M11: 6,893,171 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.1

Radius: 13.9

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.13 AU - 1.87 AU

Year: 1291 Days

Day: 12.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,737,590 km

• M1: 173,833 km (0.101 R)
• M2: 634,744 km (0.119 R)
• M3: 1,148,014 km (0.068 R)
• M4: 1,635,703 km (0.107 R)
• M5: 2,146,879 km (0.081 R)
• M6: 3,104,006 km (0.12 R)
• M7: 4,176,922 km (0.043 R)
• M8: 4,790,573 km (0.115 R)
• M9: 5,265,396 km (0.109 R)
• M10: 6,288,047 km (0.095 R)
• M11: 6,953,309 km (0.116 R)
• M12: 7,564,267 km (0.112 R)
• M13: 8,290,714 km (0.111 R)
• M14: 9,034,963 km (0.115 R)
• M15: 9,974,288 km (0.082 R)
• M16: 10,880,852 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.7

Radius: 10.9

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.4 AU - 1.78 AU

Year: 1409 Days

Day: 14.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 58.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,737,590 km

• M1: 136,433 km (0.106 R)
• M2: 551,567 km (0.073 R)
• M3: 1,494,184 km (0.108 R)
• M4: 1,896,153 km (0.117 R)
• M5: 2,298,122 km (0.066 R)
• M6: 2,947,676 km (0.094 R)
• M7: 3,491,315 km (0.082 R)
• M8: 4,678,823 km (0.096 R)
• M9: 5,997,827 km (0.116 R)
• M10: 8,122,566 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.3

Radius: 10.1

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.93 AU - 3.21 AU

Year: 2896 Days

Day: 13.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,737,590 km

• M1: 125,662 km (0.091 R)
• M2: 442,660 km (0.102 R)
• M3: 956,080 km (0.109 R)
• M4: 1,318,855 km (0.118 R)
• M5: 1,969,306 km (0.12 R)
• M6: 2,772,647 km (0.063 R)
• M7: 3,090,692 km (0.07 R)
• M8: 3,451,971 km (0.098 R)
• M9: 4,046,922 km (0.047 R)
• M10: 4,779,054 km (0.078 R)
• M11: 5,493,234 km (0.098 R)
• M12: 5,862,741 km (0.072 R)
• M13: 6,710,661 km (0.093 R)
• M14: 7,319,973 km (0.108 R)
• M15: 8,755,066 km (0.097 R)
• M16: 12,757,407 km (0.071 R)
• M17: 13,172,691 km (0.117 R)
• M18: 13,836,905 km (0.113 R)
• M19: 14,523,111 km (0.046 R)
• M20: 15,078,119 km (0.103 R)
• M21: 15,963,589 km (0.095 R)
• M22: 18,533,231 km (0.107 R)
• M23: 19,186,376 km (0.072 R)
• M24: 21,431,541 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.2

Radius: 8.2

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.28 AU - 3.32 AU

Year: 3293 Days

Day: 5.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,737,590 km

• M1: 102,026 km (0.089 R)
• M2: 550,371 km (0.099 R)
• M3: 933,940 km (0.075 R)
• M4: 1,342,790 km (0.103 R)
• M5: 1,917,246 km (0.079 R)
• M6: 2,625,143 km (0.094 R)
• M7: 3,120,462 km (0.083 R)
• M8: 3,637,622 km (0.12 R)
• M9: 6,294,031 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.8

Radius: 11.4

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.86 AU - 4.18 AU

Year: 4642 Days

Day: 6.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,737,590 km

• M1: 142,118 km (0.095 R)
• M2: 1,033,123 km (0.11 R)
• M3: 1,557,314 km (0.064 R)
• M4: 2,189,365 km (0.091 R)
• M5: 2,544,361 km (0.08 R)
• M6: 3,479,048 km (0.071 R)
• M7: 4,268,476 km (0.075 R)
• M8: 5,244,602 km (0.076 R)
• M9: 6,228,956 km (0.12 R)
• M10: 7,183,989 km (0.092 R)
• M11: 8,298,942 km (0.088 R)
• M12: 11,264,570 km (0.034 R)
• M13: 13,117,190 km (0.067 R)
• M14: 13,701,519 km (0.059 R)
• M15: 14,116,055 km (0.117 R)
• M16: 16,625,859 km (0.084 R)
• M17: 18,289,237 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.2

Radius: 14.6

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.11 AU - 5.33 AU

Year: 7208 Days

Day: 5.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,737,590 km

• M1: 181,911 km (0.096 R)
• M2: 1,189,153 km (0.109 R)
• M3: 3,085,606 km (0.084 R)
• M4: 4,863,128 km (0.116 R)
• M5: 6,552,387 km (0.113 R)
• M6: 14,256,079 km (0.077 R)
• M7: 20,834,645 km (0.08 R)
• M8: 21,855,800 km (0.056 R)
• M9: 25,272,167 km (0.117 R)
• M10: 25,809,821 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353

Radius: 7.7

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.7 AU - 10.22 AU

Year: 18853 Days

Day: 22.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,737,590 km

• M1: 97,089 km (0.088 R)
• M2: 378,333 km (0.119 R)
• M3: 653,593 km (0.115 R)
• M4: 915,389 km (0.074 R)
• M5: 2,105,740 km (0.034 R)
• M6: 2,827,549 km (0.113 R)
• M7: 3,208,126 km (0.077 R)
• M8: 5,431,151 km (0.068 R)
• M9: 5,794,823 km (0.032 R)
• M10: 7,327,154 km (0.077 R)
• M11: 7,681,252 km (0.078 R)
• M12: 8,186,743 km (0.1 R)
• M13: 9,315,459 km (0.115 R)
• M14: 9,784,150 km (0.079 R)
• M15: 12,367,106 km (0.078 R)
• M16: 12,616,636 km (0.109 R)
• M17: 16,027,317 km (0.074 R)
• M18: 18,750,747 km (0.117 R)
• M19: 19,751,407 km (0.088 R)
• M20: 20,699,558 km (0.098 R)
• M21: 23,060,661 km (0.118 R)
• M22: 23,918,156 km (0.089 R)
• M23: 29,626,362 km (0.09 R)
• M24: 30,073,660 km (0.097 R)
• M25: 31,908,627 km (0.068 R)
• M26: 33,938,671 km (0.091 R)
• M27: 46,586,273 km (0.107 R)
• M28: 47,648,717 km (0.076 R)
• M29: 47,955,093 km (0.058 R)
• M30: 53,203,585 km (0.085 R)
• M31: 54,030,712 km (0.103 R)
• M32: 57,079,816 km (0.059 R)
• M33: 58,646,404 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.9

Radius: 7

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.46 AU - 11.42 AU

Year: 20388 Days

Day: 19.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,737,590 km

• M1: 88,562 km (0.087 R)
• M2: 341,831 km (0.085 R)
• M3: 761,154 km (0.105 R)
• M4: 1,015,620 km (0.108 R)
• M5: 1,719,029 km (0.113 R)
• M6: 1,951,803 km (0.058 R)
• M7: 2,686,329 km (0.052 R)
• M8: 2,926,733 km (0.1 R)
• M9: 3,591,994 km (0.105 R)
• M10: 4,193,378 km (0.087 R)
• M11: 5,868,874 km (0.109 R)
• M12: 6,443,779 km (0.11 R)
• M13: 7,283,472 km (0.111 R)
• M14: 8,094,741 km (0.06 R)
• M15: 9,671,054 km (0.11 R)
• M16: 14,855,667 km (0.078 R)
• M17: 17,282,144 km (0.105 R)
• M18: 18,288,340 km (0.116 R)
• M19: 20,694,472 km (0.036 R)
• M20: 27,560,416 km (0.069 R)
• M21: 33,064,271 km (0.109 R)
• M22: 34,480,963 km (0.12 R)
• M23: 36,477,646 km (0.068 R)
• M24: 38,550,025 km (0.077 R)
• M25: 39,830,433 km (0.108 R)
• M26: 41,433,524 km (0.117 R)
• M27: 48,113,817 km (0.092 R)
• M28: 59,519,757 km (0.05 R)
• M29: 62,192,024 km (0.113 R)
• M30: 62,969,933 km (0.075 R)
• M31: 67,364,819 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.3

Radius: 4.5

Gravity: 25.5 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 9.66 AU - 9.92 AU

Year: 21532 Days

Day: 18.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,737,590 km

• M1: 83,027 km (0.073 R)
• M2: 655,089 km (0.107 R)
• M3: 1,738,477 km (0.112 R)
• M4: 2,550,943 km (0.04 R)
• M5: 3,066,607 km (0.058 R)
• M6: 3,503,881 km (0.071 R)
• M7: 3,767,473 km (0.056 R)
• M8: 4,107,509 km (0.051 R)
• M9: 4,467,591 km (0.047 R)
• M10: 5,479,321 km (0.076 R)
• M11: 6,038,668 km (0.115 R)
• M12: 6,289,543 km (0.069 R)
• M13: 6,767,808 km (0.103 R)
• M14: 8,502,545 km (0.106 R)
• M15: 10,573,278 km (0.089 R)
• M16: 10,999,483 km (0.087 R)
• M17: 12,957,270 km (0.099 R)
• M18: 14,384,284 km (0.074 R)
• M19: 17,800,501 km (0.086 R)
• M20: 17,971,342 km (0.101 R)
• M21: 18,316,464 km (0.063 R)
• M22: 19,832,489 km (0.114 R)
• M23: 20,667,993 km (0.099 R)
• M24: 24,560,829 km (0.057 R)
• M25: 39,112,662 km (0.118 R)
• M26: 42,522,148 km (0.051 R)
• M27: 46,608,862 km (0.101 R)
• M28: 59,465,902 km (0.058 R)
• M29: 66,390,488 km (0.08 R)
• M30: 68,254,178 km (0.106 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 11,604 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit