🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.4

Radius: 8.7

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.08 AU - 1.2 AU

Year: 856 Days

Day: 6.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,437,641 km

• M1: 108,309 km (0.06 R)
• M2: 395,088 km (0.105 R)
• M3: 692,937 km (0.086 R)
• M4: 980,315 km (0.104 R)
• M5: 1,489,097 km (0.098 R)
• M6: 1,791,734 km (0.114 R)
• M7: 2,115,912 km (0.048 R)
• M8: 2,693,510 km (0.092 R)
• M9: 3,225,629 km (0.088 R)
• M10: 3,524,077 km (0.115 R)
• M11: 3,976,012 km (0.085 R)
• M12: 4,548,972 km (0.062 R)
• M13: 5,248,940 km (0.115 R)
• M14: 5,780,312 km (0.073 R)
• M15: 6,079,508 km (0.092 R)
• M16: 6,473,249 km (0.12 R)
• M17: 6,906,186 km (0.116 R)
• M18: 7,902,358 km (0.088 R)
• M19: 8,196,767 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.5

Radius: 9.3

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.95 AU - 1.43 AU

Year: 912 Days

Day: 8.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,437,641 km

• M1: 115,639 km (0.053 R)
• M2: 405,859 km (0.071 R)
• M3: 1,005,447 km (0.094 R)
• M4: 1,427,313 km (0.084 R)
• M5: 2,038,720 km (0.117 R)
• M6: 2,522,519 km (0.091 R)
• M7: 3,031,750 km (0.119 R)
• M8: 3,364,007 km (0.102 R)
• M9: 3,664,101 km (0.1 R)
• M10: 4,148,050 km (0.097 R)
• M11: 4,542,539 km (0.07 R)
• M12: 4,842,034 km (0.039 R)
• M13: 5,137,041 km (0.094 R)
• M14: 5,782,406 km (0.117 R)
• M15: 7,644,152 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.5

Radius: 14.4

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.4 AU - 1.76 AU

Year: 1396 Days

Day: 7.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,437,641 km

• M1: 179,069 km (0.057 R)
• M2: 814,560 km (0.106 R)
• M3: 1,510,639 km (0.103 R)
• M4: 2,239,929 km (0.105 R)
• M5: 3,226,826 km (0.097 R)
• M6: 3,760,591 km (0.108 R)
• M7: 4,905,015 km (0.117 R)
• M8: 5,503,107 km (0.058 R)
• M9: 7,002,527 km (0.112 R)
• M10: 7,567,857 km (0.03 R)
• M11: 8,251,220 km (0.097 R)
• M12: 9,131,604 km (0.118 R)
• M13: 10,344,842 km (0.087 R)
• M14: 11,478,645 km (0.059 R)
• M15: 12,812,010 km (0.119 R)
• M16: 13,495,822 km (0.093 R)
• M17: 13,993,086 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.3

Radius: 11.4

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.28 AU - 3.22 AU

Year: 3206 Days

Day: 9.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,437,641 km

• M1: 142,716 km (0.055 R)
• M2: 512,074 km (0.097 R)
• M3: 1,457,233 km (0.114 R)
• M4: 2,756,341 km (0.115 R)
• M5: 3,516,448 km (0.099 R)
• M6: 4,639,329 km (0.113 R)
• M7: 5,419,632 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.8

Radius: 9.6

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.63 AU - 4.27 AU

Year: 5518 Days

Day: 13.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,437,641 km

• M1: 121,473 km (0.042 R)
• M2: 610,958 km (0.09 R)
• M3: 909,705 km (0.077 R)
• M4: 2,079,410 km (0.079 R)
• M5: 2,458,342 km (0.104 R)
• M6: 3,124,052 km (0.112 R)
• M7: 3,739,348 km (0.111 R)
• M8: 4,407,303 km (0.082 R)
• M9: 5,299,505 km (0.085 R)
• M10: 7,589,250 km (0.077 R)
• M11: 8,092,198 km (0.105 R)
• M12: 8,535,007 km (0.048 R)
• M13: 9,425,414 km (0.112 R)
• M14: 13,782,901 km (0.094 R)
• M15: 17,602,284 km (0.104 R)
• M16: 19,253,246 km (0.058 R)
• M17: 21,306,776 km (0.092 R)
• M18: 27,429,966 km (0.031 R)
• M19: 28,063,663 km (0.113 R)
• M20: 33,182,603 km (0.101 R)
• M21: 33,798,647 km (0.099 R)
• M22: 34,948,007 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.1

Radius: 5.6

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.09 AU - 7.91 AU

Year: 11649 Days

Day: 22.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,437,641 km

• M1: 77,193 km (0.081 R)
• M2: 306,975 km (0.045 R)
• M3: 1,853,069 km (0.109 R)
• M4: 2,695,155 km (0.088 R)
• M5: 3,454,514 km (0.09 R)
• M6: 3,676,068 km (0.079 R)
• M7: 7,788,215 km (0.095 R)
• M8: 10,090,526 km (0.069 R)
• M9: 10,361,298 km (0.104 R)
• M10: 10,637,007 km (0.056 R)
• M11: 12,139,867 km (0.052 R)
• M12: 17,879,938 km (0.083 R)
• M13: 18,950,909 km (0.075 R)
• M14: 19,922,547 km (0.11 R)
• M15: 29,193,725 km (0.118 R)
• M16: 31,531,342 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.3

Radius: 5.3

Gravity: 32.76 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.28 AU - 8.48 AU

Year: 14093 Days

Day: 24.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,437,641 km

• M1: 66,421 km (0.085 R)
• M2: 343,028 km (0.098 R)
• M3: 528,679 km (0.11 R)
• M4: 698,772 km (0.027 R)
• M5: 1,091,316 km (0.11 R)
• M6: 1,555,369 km (0.104 R)
• M7: 1,950,307 km (0.03 R)
• M8: 2,431,115 km (0.108 R)
• M9: 3,216,653 km (0.05 R)
• M10: 3,739,199 km (0.095 R)
• M11: 4,316,647 km (0.113 R)
• M12: 4,881,977 km (0.062 R)
• M13: 5,346,478 km (0.059 R)
• M14: 7,975,810 km (0.069 R)
• M15: 10,640,747 km (0.036 R)
• M16: 12,236,807 km (0.112 R)
• M17: 12,692,332 km (0.087 R)
• M18: 13,226,696 km (0.113 R)
• M19: 13,499,562 km (0.104 R)
• M20: 14,919,994 km (0.103 R)
• M21: 19,073,729 km (0.098 R)
• M22: 20,131,236 km (0.117 R)
• M23: 20,311,202 km (0.102 R)
• M24: 20,857,534 km (0.055 R)
• M25: 22,458,530 km (0.048 R)
• M26: 22,749,348 km (0.106 R)
• M27: 32,811,899 km (0.095 R)
• M28: 35,624,639 km (0.091 R)
• M29: 39,996,487 km (0.059 R)
• M30: 41,723,893 km (0.115 R)
• M31: 48,483,772 km (0.104 R)
• M32: 49,458,552 km (0.111 R)
• M33: 50,612,251 km (0.084 R)
• M34: 52,973,354 km (0.073 R)
• M35: 55,406,863 km (0.093 R)
• M36: 56,293,679 km (0.078 R)
• M37: 65,294,384 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997

Radius: 4.3

Gravity: 53.92 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.73 AU - 8.39 AU

Year: 16085 Days

Day: 19.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 60,437,641 km

• M1: 54,603 km (0.106 R)
• M2: 249,380 km (0.074 R)
• M3: 556,504 km (0.032 R)
• M4: 763,548 km (0.108 R)
• M5: 1,393,654 km (0.077 R)
• M6: 2,085,694 km (0.103 R)
• M7: 2,427,225 km (0.102 R)
• M8: 2,755,892 km (0.062 R)
• M9: 3,797,542 km (0.117 R)
• M10: 4,930,746 km (0.075 R)
• M11: 5,341,093 km (0.064 R)
• M12: 5,978,230 km (0.097 R)
• M13: 6,358,059 km (0.089 R)
• M14: 6,620,155 km (0.066 R)
• M15: 7,072,838 km (0.068 R)
• M16: 7,449,675 km (0.026 R)
• M17: 8,090,253 km (0.114 R)
• M18: 8,766,884 km (0.094 R)
• M19: 9,880,341 km (0.078 R)
• M20: 10,351,125 km (0.07 R)
• M21: 11,400,704 km (0.112 R)
• M22: 16,392,187 km (0.075 R)
• M23: 24,321,173 km (0.078 R)
• M24: 32,379,412 km (0.108 R)
• M25: 33,154,179 km (0.091 R)
• M26: 38,637,839 km (0.085 R)
• M27: 39,949,663 km (0.109 R)
• M28: 41,140,611 km (0.088 R)
• M29: 41,896,828 km (0.048 R)
• M30: 42,354,897 km (0.037 R)
• M31: 43,749,299 km (0.081 R)
• M32: 48,618,261 km (0.12 R)
• M33: 48,786,558 km (0.11 R)
• M34: 56,765,660 km (0.11 R)
• M35: 60,380,543 km (0.117 R)
• M36: 63,541,097 km (0.115 R)
• M37: 63,943,815 km (0.094 R)
• M38: 68,064,488 km (0.113 R)
• M39: 73,459,735 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412

Radius: 6.2

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.22 AU - 10.32 AU

Year: 18256 Days

Day: 19.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 60,437,641 km

• M1: 77,043 km (0.071 R)
• M2: 343,327 km (0.106 R)
• M3: 652,247 km (0.076 R)
• M4: 1,125,874 km (0.109 R)
• M5: 1,658,442 km (0.072 R)
• M6: 2,642,946 km (0.096 R)
• M7: 2,988,217 km (0.101 R)
• M8: 3,234,755 km (0.095 R)
• M9: 3,602,766 km (0.114 R)
• M10: 4,086,864 km (0.108 R)
• M11: 5,289,332 km (0.047 R)
• M12: 6,185,274 km (0.119 R)
• M13: 7,353,783 km (0.082 R)
• M14: 8,761,648 km (0.099 R)
• M15: 10,119,548 km (0.05 R)
• M16: 10,620,701 km (0.095 R)
• M17: 12,600,329 km (0.059 R)
• M18: 13,510,034 km (0.115 R)
• M19: 13,913,051 km (0.09 R)
• M20: 15,459,444 km (0.09 R)
• M21: 16,653,684 km (0.103 R)
• M22: 18,312,724 km (0.041 R)
• M23: 18,806,248 km (0.089 R)
• M24: 20,253,009 km (0.12 R)
• M25: 21,227,639 km (0.064 R)
• M26: 21,498,710 km (0.078 R)
• M27: 27,848,990 km (0.082 R)
• M28: 29,387,455 km (0.038 R)
• M29: 29,950,391 km (0.106 R)
• M30: 31,214,045 km (0.113 R)
• M31: 31,564,852 km (0.112 R)
• M32: 32,993,960 km (0.117 R)
• M33: 35,218,032 km (0.106 R)
• M34: 38,202,509 km (0.081 R)
• M35: 39,007,944 km (0.091 R)
• M36: 40,099,410 km (0.082 R)
• M37: 40,931,324 km (0.107 R)
• M38: 42,343,229 km (0.095 R)
• M39: 57,411,324 km (0.089 R)
• M40: 59,178,973 km (0.069 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: 259 - 19,583 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit