🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.6

Radius: 13.7

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.42 AU - 0.62 AU

Year: 250 Days

Day: 7 Hours

Environment

Temp: -140 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,424,235 km

• M1: 171,140 km (0.063 R)
• M2: 615,146 km (0.089 R)
• M3: 1,145,920 km (0.114 R)
• M4: 1,682,976 km (0.061 R)
• M5: 2,215,694 km (0.096 R)
• M6: 2,728,665 km (0.077 R)
• M7: 3,192,269 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.9

Radius: 8.9

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.59 AU - 0.61 AU

Year: 310 Days

Day: 11.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,424,235 km

• M1: 110,702 km (0.115 R)
• M2: 433,235 km (0.032 R)
• M3: 870,959 km (0.042 R)
• M4: 1,232,686 km (0.053 R)
• M5: 1,765,704 km (0.073 R)
• M6: 2,081,954 km (0.094 R)
• M7: 2,652,370 km (0.096 R)
• M8: 3,519,440 km (0.092 R)
• M9: 4,050,961 km (0.068 R)
• M10: 4,329,512 km (0.094 R)
• M11: 4,663,564 km (0.072 R)
• M12: 4,999,710 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971

Radius: 10.5

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.01 AU - 1.45 AU

Year: 910 Days

Day: 5.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,424,235 km

• M1: 130,749 km (0.102 R)
• M2: 473,328 km (0.032 R)
• M3: 1,219,522 km (0.055 R)
• M4: 2,040,665 km (0.102 R)
• M5: 2,454,901 km (0.119 R)
• M6: 2,911,923 km (0.098 R)
• M7: 4,688,248 km (0.054 R)
• M8: 5,081,391 km (0.092 R)
• M9: 5,743,810 km (0.114 R)
• M10: 6,599,809 km (0.09 R)
• M11: 7,094,829 km (0.109 R)
• M12: 7,563,968 km (0.116 R)
• M13: 9,620,938 km (0.042 R)
• M14: 10,227,258 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836

Radius: 14

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.57 AU - 1.63 AU

Year: 1350 Days

Day: 7.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,424,235 km

• M1: 174,132 km (0.052 R)
• M2: 847,921 km (0.063 R)
• M3: 1,354,310 km (0.099 R)
• M4: 1,938,788 km (0.11 R)
• M5: 2,522,968 km (0.051 R)
• M6: 3,076,480 km (0.056 R)
• M7: 3,929,637 km (0.071 R)
• M8: 6,271,292 km (0.037 R)
• M9: 7,296,636 km (0.107 R)
• M10: 8,934,434 km (0.106 R)
• M11: 9,584,287 km (0.118 R)
• M12: 10,909,425 km (0.107 R)
• M13: 11,544,168 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.2

Radius: 13.3

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.5 AU - 2.72 AU

Year: 2812 Days

Day: 10.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,424,235 km

• M1: 165,455 km (0.113 R)
• M2: 960,568 km (0.12 R)
• M3: 1,500,018 km (0.092 R)
• M4: 2,023,162 km (0.09 R)
• M5: 2,447,421 km (0.082 R)
• M6: 3,023,971 km (0.12 R)
• M7: 4,764,692 km (0.075 R)
• M8: 5,938,437 km (0.083 R)
• M9: 7,098,569 km (0.084 R)
• M10: 9,451,145 km (0.045 R)
• M11: 10,291,735 km (0.061 R)
• M12: 11,296,135 km (0.085 R)
• M13: 11,802,674 km (0.068 R)
• M14: 13,241,955 km (0.112 R)
• M15: 15,260,928 km (0.059 R)
• M16: 16,716,066 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.2

Radius: 9.2

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.73 AU - 3.25 AU

Year: 3448 Days

Day: 8.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,424,235 km

• M1: 114,592 km (0.073 R)
• M2: 445,652 km (0.095 R)
• M3: 816,505 km (0.054 R)
• M4: 1,424,022 km (0.045 R)
• M5: 1,810,284 km (0.099 R)
• M6: 2,223,922 km (0.085 R)
• M7: 2,684,085 km (0.042 R)
• M8: 3,242,683 km (0.053 R)
• M9: 3,716,011 km (0.086 R)
• M10: 4,432,884 km (0.118 R)
• M11: 4,872,253 km (0.074 R)
• M12: 6,168,219 km (0.085 R)
• M13: 6,539,821 km (0.083 R)
• M14: 7,486,925 km (0.045 R)
• M15: 8,912,592 km (0.11 R)
• M16: 11,000,679 km (0.037 R)
• M17: 11,548,357 km (0.102 R)
• M18: 12,070,005 km (0.084 R)
• M19: 12,835,797 km (0.111 R)
• M20: 13,254,222 km (0.098 R)
• M21: 13,922,924 km (0.03 R)
• M22: 14,513,985 km (0.118 R)
• M23: 14,815,724 km (0.093 R)
• M24: 19,250,104 km (0.108 R)
• M25: 20,862,769 km (0.111 R)
• M26: 22,163,373 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.3

Radius: 13.1

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.21 AU - 3.33 AU

Year: 3943 Days

Day: 11.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,424,235 km

• M1: 164,558 km (0.11 R)
• M2: 665,411 km (0.115 R)
• M3: 1,220,120 km (0.111 R)
• M4: 1,814,173 km (0.091 R)
• M5: 2,484,222 km (0.119 R)
• M6: 3,161,003 km (0.038 R)
• M7: 3,827,312 km (0.072 R)
• M8: 4,440,663 km (0.064 R)
• M9: 5,014,221 km (0.079 R)
• M10: 5,497,273 km (0.117 R)
• M11: 5,981,970 km (0.076 R)
• M12: 7,890,240 km (0.089 R)
• M13: 12,433,677 km (0.102 R)
• M14: 18,860,252 km (0.07 R)
• M15: 21,048,720 km (0.051 R)
• M16: 23,475,646 km (0.04 R)
• M17: 25,064,525 km (0.099 R)
• M18: 26,004,149 km (0.077 R)
• M19: 26,482,713 km (0.107 R)
• M20: 27,539,622 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.7

Radius: 10.7

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.52 AU - 4.06 AU

Year: 3979 Days

Day: 7.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,424,235 km

• M1: 137,181 km (0.106 R)
• M2: 555,008 km (0.094 R)
• M3: 1,291,030 km (0.042 R)
• M4: 2,352,127 km (0.109 R)
• M5: 3,066,308 km (0.079 R)
• M6: 4,667,902 km (0.108 R)
• M7: 5,165,764 km (0.077 R)
• M8: 5,722,867 km (0.098 R)
• M9: 6,713,055 km (0.114 R)
• M10: 7,463,139 km (0.077 R)
• M11: 8,084,269 km (0.038 R)
• M12: 8,707,643 km (0.11 R)
• M13: 9,229,141 km (0.077 R)
• M14: 9,945,117 km (0.03 R)
• M15: 11,031,796 km (0.06 R)
• M16: 11,526,516 km (0.09 R)
• M17: 14,270,440 km (0.059 R)
• M18: 15,556,234 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 243.1

Radius: 6

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.92 AU - 6.64 AU

Year: 9267 Days

Day: 15.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,424,235 km

• M1: 74,799 km (0.11 R)
• M2: 265,387 km (0.07 R)
• M3: 492,327 km (0.082 R)
• M4: 788,680 km (0.062 R)
• M5: 1,014,872 km (0.089 R)
• M6: 1,252,284 km (0.06 R)
• M7: 1,812,677 km (0.06 R)
• M8: 2,292,587 km (0.059 R)
• M9: 2,687,227 km (0.083 R)
• M10: 2,929,725 km (0.104 R)
• M11: 3,791,558 km (0.116 R)
• M12: 5,909,864 km (0.091 R)
• M13: 6,160,740 km (0.108 R)
• M14: 6,353,571 km (0.08 R)
• M15: 7,379,214 km (0.082 R)
• M16: 8,007,076 km (0.119 R)
• M17: 8,590,209 km (0.104 R)
• M18: 8,871,752 km (0.113 R)
• M19: 9,159,429 km (0.076 R)
• M20: 13,924,570 km (0.104 R)
• M21: 14,652,363 km (0.049 R)
• M22: 18,342,943 km (0.111 R)
• M23: 21,856,249 km (0.066 R)
• M24: 22,685,171 km (0.11 R)
• M25: 28,457,853 km (0.057 R)
• M26: 28,814,495 km (0.112 R)
• M27: 31,871,527 km (0.026 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625.8

Radius: 3.8

Gravity: 43.34 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 8.1 AU - 11.1 AU

Year: 19835 Days

Day: 18.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 73,424,235 km

• M1: 50,414 km (0.087 R)
• M2: 252,970 km (0.115 R)
• M3: 975,378 km (0.031 R)
• M4: 1,556,715 km (0.091 R)
• M5: 1,781,860 km (0.105 R)
• M6: 2,212,104 km (0.086 R)
• M7: 3,442,247 km (0.111 R)
• M8: 3,733,963 km (0.058 R)
• M9: 4,333,252 km (0.118 R)
• M10: 4,501,101 km (0.06 R)
• M11: 5,368,020 km (0.042 R)
• M12: 6,004,260 km (0.079 R)
• M13: 6,426,575 km (0.118 R)
• M14: 7,861,667 km (0.091 R)
• M15: 8,839,589 km (0.066 R)
• M16: 9,109,762 km (0.1 R)
• M17: 9,895,750 km (0.089 R)
• M18: 10,305,199 km (0.072 R)
• M19: 12,255,357 km (0.042 R)
• M20: 13,924,271 km (0.106 R)
• M21: 14,363,939 km (0.111 R)
• M22: 16,135,626 km (0.067 R)
• M23: 18,570,182 km (0.097 R)
• M24: 20,667,095 km (0.085 R)
• M25: 21,238,858 km (0.112 R)
• M26: 25,978,119 km (0.106 R)
• M27: 27,894,019 km (0.108 R)
• M28: 28,475,057 km (0.039 R)
• M29: 29,182,655 km (0.115 R)
• M30: 32,769,264 km (0.09 R)
• M31: 33,546,275 km (0.075 R)
• M32: 34,335,554 km (0.112 R)
• M33: 37,757,306 km (0.099 R)
• M34: 41,549,911 km (0.086 R)
• M35: 42,612,804 km (0.11 R)
• M36: 45,909,791 km (0.114 R)
• M37: 47,537,865 km (0.034 R)
• M38: 48,033,782 km (0.069 R)
• M39: 49,372,832 km (0.115 R)
• M40: 53,005,966 km (0.101 R)
• M41: 56,627,880 km (0.076 R)
• M42: 56,813,232 km (0.106 R)
• M43: 59,833,314 km (0.107 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 16,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit