🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233

Radius: 11.6

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.61 AU - 0.73 AU

Year: 366 Days

Day: 12.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,924,502 km

• M1: 144,212 km (0.118 R)
• M2: 540,946 km (0.061 R)
• M3: 1,085,931 km (0.082 R)
• M4: 1,449,903 km (0.06 R)
• M5: 2,083,150 km (0.041 R)
• M6: 2,607,940 km (0.114 R)
• M7: 3,011,854 km (0.114 R)
• M8: 3,457,805 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.4

Radius: 10.8

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.76 AU - 0.9 AU

Year: 504 Days

Day: 5.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,924,502 km

• M1: 134,339 km (0.115 R)
• M2: 513,121 km (0.082 R)
• M3: 998,117 km (0.095 R)
• M4: 1,631,814 km (0.084 R)
• M5: 2,164,382 km (0.073 R)
• M6: 2,757,089 km (0.078 R)
• M7: 3,135,571 km (0.076 R)
• M8: 3,527,817 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.9

Radius: 13.7

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.25 AU - 1.29 AU

Year: 954 Days

Day: 7.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,924,502 km

• M1: 170,542 km (0.064 R)
• M2: 808,876 km (0.098 R)
• M3: 1,452,446 km (0.091 R)
• M4: 2,256,235 km (0.114 R)
• M5: 2,777,434 km (0.072 R)
• M6: 3,265,123 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.6

Radius: 12.6

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.44 AU - 1.44 AU

Year: 1152 Days

Day: 9.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,924,502 km

• M1: 157,227 km (0.09 R)
• M2: 886,218 km (0.073 R)
• M3: 1,327,681 km (0.04 R)
• M4: 2,031,988 km (0.108 R)
• M5: 3,331,245 km (0.115 R)
• M6: 4,527,729 km (0.098 R)
• M7: 5,925,572 km (0.091 R)
• M8: 6,664,136 km (0.115 R)
• M9: 8,437,470 km (0.085 R)
• M10: 8,838,541 km (0.054 R)
• M11: 9,252,329 km (0.104 R)
• M12: 9,679,132 km (0.086 R)
• M13: 10,539,469 km (0.037 R)
• M14: 11,072,935 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.5

Radius: 8.8

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.36 AU - 2.2 AU

Year: 1584 Days

Day: 12 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,924,502 km

• M1: 109,506 km (0.118 R)
• M2: 449,242 km (0.079 R)
• M3: 1,544,299 km (0.107 R)
• M4: 1,951,803 km (0.092 R)
• M5: 2,270,148 km (0.118 R)
• M6: 2,730,909 km (0.051 R)
• M7: 3,788,267 km (0.069 R)
• M8: 4,122,469 km (0.035 R)
• M9: 4,750,032 km (0.108 R)
• M10: 5,417,986 km (0.064 R)
• M11: 6,099,704 km (0.052 R)
• M12: 6,387,979 km (0.059 R)
• M13: 6,811,939 km (0.061 R)
• M14: 7,361,562 km (0.047 R)
• M15: 8,430,738 km (0.093 R)
• M16: 9,600,294 km (0.118 R)
• M17: 9,892,458 km (0.055 R)
• M18: 10,224,117 km (0.071 R)
• M19: 10,735,442 km (0.094 R)
• M20: 11,443,639 km (0.053 R)
• M21: 11,994,907 km (0.118 R)
• M22: 12,372,193 km (0.115 R)
• M23: 12,757,407 km (0.083 R)
• M24: 13,350,114 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.6

Radius: 13

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.77 AU - 2.23 AU

Year: 1886 Days

Day: 13.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,924,502 km

• M1: 161,715 km (0.044 R)
• M2: 794,365 km (0.104 R)
• M3: 1,207,255 km (0.04 R)
• M4: 1,640,341 km (0.057 R)
• M5: 2,565,155 km (0.086 R)
• M6: 3,402,753 km (0.104 R)
• M7: 4,236,761 km (0.083 R)
• M8: 5,022,300 km (0.114 R)
• M9: 6,059,163 km (0.111 R)
• M10: 7,082,412 km (0.079 R)
• M11: 7,781,782 km (0.08 R)
• M12: 8,901,971 km (0.113 R)
• M13: 9,470,592 km (0.063 R)
• M14: 9,904,875 km (0.101 R)
• M15: 10,450,309 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.3

Radius: 12.9

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.32 AU - 4.94 AU

Year: 5597 Days

Day: 12.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,924,502 km

• M1: 160,519 km (0.095 R)
• M2: 1,364,333 km (0.073 R)
• M3: 1,938,489 km (0.068 R)
• M4: 2,364,993 km (0.069 R)
• M5: 4,144,609 km (0.096 R)
• M6: 6,451,707 km (0.096 R)
• M7: 6,985,173 km (0.108 R)
• M8: 8,822,983 km (0.08 R)
• M9: 9,359,142 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.6

Radius: 9

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.22 AU - 5.76 AU

Year: 7433 Days

Day: 13.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,924,502 km

• M1: 112,198 km (0.118 R)
• M2: 788,231 km (0.071 R)
• M3: 2,341,356 km (0.083 R)
• M4: 2,691,864 km (0.095 R)
• M5: 2,972,360 km (0.033 R)
• M6: 4,377,832 km (0.114 R)
• M7: 6,319,612 km (0.063 R)
• M8: 6,818,821 km (0.073 R)
• M9: 8,518,103 km (0.113 R)
• M10: 10,143,783 km (0.097 R)
• M11: 10,929,022 km (0.079 R)
• M12: 12,290,662 km (0.048 R)
• M13: 15,347,096 km (0.108 R)
• M14: 19,168,574 km (0.086 R)
• M15: 21,934,489 km (0.118 R)
• M16: 22,501,614 km (0.114 R)
• M17: 23,412,516 km (0.069 R)
• M18: 24,434,119 km (0.103 R)
• M19: 28,434,815 km (0.088 R)
• M20: 30,791,131 km (0.105 R)
• M21: 31,604,794 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602

Radius: 7.9

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.66 AU - 11.14 AU

Year: 19219 Days

Day: 15.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,924,502 km

• M1: 98,435 km (0.074 R)
• M2: 388,506 km (0.106 R)
• M3: 949,348 km (0.114 R)
• M4: 1,315,414 km (0.075 R)
• M5: 1,844,691 km (0.084 R)
• M6: 3,987,232 km (0.115 R)
• M7: 4,302,435 km (0.086 R)
• M8: 5,616,054 km (0.113 R)
• M9: 5,891,912 km (0.096 R)
• M10: 6,343,698 km (0.099 R)
• M11: 6,730,259 km (0.074 R)
• M12: 7,178,304 km (0.056 R)
• M13: 9,171,696 km (0.085 R)
• M14: 10,063,598 km (0.075 R)
• M15: 10,829,839 km (0.062 R)
• M16: 11,196,353 km (0.087 R)
• M17: 12,148,843 km (0.101 R)
• M18: 14,580,257 km (0.077 R)
• M19: 16,027,317 km (0.091 R)
• M20: 16,664,455 km (0.114 R)
• M21: 19,116,065 km (0.104 R)
• M22: 19,741,982 km (0.077 R)
• M23: 20,197,358 km (0.063 R)
• M24: 27,443,131 km (0.056 R)
• M25: 28,124,848 km (0.064 R)
• M26: 29,878,435 km (0.096 R)
• M27: 32,706,882 km (0.06 R)
• M28: 43,011,632 km (0.083 R)
• M29: 48,067,741 km (0.095 R)
• M30: 49,558,035 km (0.069 R)
• M31: 57,474,156 km (0.113 R)
• M32: 58,029,912 km (0.101 R)
• M33: 60,289,288 km (0.105 R)
• M34: 62,606,410 km (0.058 R)
• M35: 63,985,253 km (0.086 R)
• M36: 67,417,926 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508.2

Radius: 5.4

Gravity: 17.43 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 10.05 AU - 10.95 AU

Year: 22689 Days

Day: 24.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,924,502 km

• M1: 67,618 km (0.071 R)
• M2: 251,324 km (0.06 R)
• M3: 541,095 km (0.098 R)
• M4: 790,475 km (0.11 R)
• M5: 1,128,118 km (0.094 R)
• M6: 1,308,383 km (0.085 R)
• M7: 1,781,860 km (0.12 R)
• M8: 2,957,700 km (0.062 R)
• M9: 4,339,086 km (0.1 R)
• M10: 5,936,193 km (0.069 R)
• M11: 13,283,842 km (0.102 R)
• M12: 13,784,845 km (0.051 R)
• M13: 14,003,258 km (0.028 R)
• M14: 14,748,405 km (0.077 R)
• M15: 17,058,346 km (0.074 R)
• M16: 20,154,124 km (0.092 R)
• M17: 20,435,668 km (0.065 R)
• M18: 22,180,577 km (0.055 R)
• M19: 25,305,527 km (0.093 R)
• M20: 27,314,776 km (0.056 R)
• M21: 30,033,717 km (0.099 R)
• M22: 30,524,249 km (0.094 R)
• M23: 30,771,534 km (0.117 R)
• M24: 47,019,359 km (0.116 R)
• M25: 49,191,221 km (0.095 R)
• M26: 50,043,929 km (0.05 R)
• M27: 53,017,336 km (0.115 R)
• M28: 54,456,467 km (0.111 R)
• M29: 56,106,382 km (0.087 R)
• M30: 57,412,372 km (0.083 R)
• M31: 67,545,683 km (0.11 R)
• M32: 70,738,251 km (0.113 R)
• M33: 71,388,553 km (0.051 R)
• M34: 74,029,853 km (0.2 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 14,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit