🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.4

Radius: 10.7

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.61 AU - 0.87 AU

Year: 411 Days

Day: 10.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,099,868 km

• M1: 133,441 km (0.081 R)
• M2: 570,117 km (0.033 R)
• M3: 1,106,276 km (0.107 R)
• M4: 1,496,577 km (0.081 R)
• M5: 2,072,230 km (0.114 R)
• M6: 2,465,822 km (0.117 R)
• M7: 2,941,992 km (0.083 R)
• M8: 3,332,891 km (0.083 R)
• M9: 3,745,482 km (0.116 R)
• M10: 4,524,139 km (0.089 R)
• M11: 5,274,372 km (0.092 R)
• M12: 6,087,586 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.7

Radius: 14.8

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.94 AU - 1.18 AU

Year: 705 Days

Day: 5.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,099,868 km

• M1: 184,155 km (0.052 R)
• M2: 682,316 km (0.098 R)
• M3: 1,191,547 km (0.064 R)
• M4: 1,713,943 km (0.054 R)
• M5: 2,301,264 km (0.103 R)
• M6: 2,800,323 km (0.094 R)
• M7: 3,411,280 km (0.095 R)
• M8: 4,155,679 km (0.089 R)
• M9: 4,656,084 km (0.114 R)
• M10: 5,855,560 km (0.109 R)
• M11: 6,325,148 km (0.117 R)
• M12: 6,841,260 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.3

Radius: 11.8

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.94 AU - 1.94 AU

Year: 1745 Days

Day: 8.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,099,868 km

• M1: 146,756 km (0.116 R)
• M2: 676,781 km (0.099 R)
• M3: 1,646,325 km (0.049 R)
• M4: 2,492,301 km (0.109 R)
• M5: 3,083,362 km (0.044 R)
• M6: 3,820,131 km (0.101 R)
• M7: 4,230,628 km (0.062 R)
• M8: 5,320,299 km (0.112 R)
• M9: 6,355,366 km (0.113 R)
• M10: 7,434,416 km (0.114 R)
• M11: 7,810,355 km (0.061 R)
• M12: 9,145,367 km (0.075 R)
• M13: 10,482,772 km (0.092 R)
• M14: 11,142,349 km (0.103 R)
• M15: 12,666,302 km (0.045 R)
• M16: 13,414,890 km (0.088 R)
• M17: 13,973,488 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.7

Radius: 9.9

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.94 AU - 2 AU

Year: 1785 Days

Day: 6.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 106.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,099,868 km

• M1: 124,017 km (0.115 R)
• M2: 488,587 km (0.101 R)
• M3: 810,521 km (0.05 R)
• M4: 1,265,149 km (0.072 R)
• M5: 2,575,327 km (0.112 R)
• M6: 3,574,342 km (0.118 R)
• M7: 4,069,212 km (0.066 R)
• M8: 4,509,478 km (0.04 R)
• M9: 5,284,395 km (0.095 R)
• M10: 5,762,211 km (0.12 R)
• M11: 7,315,635 km (0.072 R)
• M12: 7,765,625 km (0.105 R)
• M13: 8,085,765 km (0.064 R)
• M14: 8,505,836 km (0.108 R)
• M15: 9,487,946 km (0.094 R)
• M16: 10,756,984 km (0.066 R)
• M17: 11,714,261 km (0.102 R)
• M18: 13,173,140 km (0.03 R)
• M19: 13,713,338 km (0.033 R)
• M20: 14,661,190 km (0.089 R)
• M21: 15,106,094 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.5

Radius: 3.8

Gravity: 17.69 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.58 AU - 6.84 AU

Year: 9992 Days

Day: 18.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,099,868 km

• M1: 47,273 km (0.047 R)
• M2: 228,735 km (0.047 R)
• M3: 511,475 km (0.095 R)
• M4: 819,497 km (0.062 R)
• M5: 977,024 km (0.12 R)
• M6: 1,284,896 km (0.104 R)
• M7: 1,997,281 km (0.06 R)
• M8: 2,598,665 km (0.104 R)
• M9: 3,532,155 km (0.119 R)
• M10: 3,761,489 km (0.067 R)
• M11: 3,879,671 km (0.108 R)
• M12: 4,300,640 km (0.036 R)
• M13: 4,482,401 km (0.11 R)
• M14: 4,723,852 km (0.113 R)
• M15: 5,145,269 km (0.112 R)
• M16: 7,411,827 km (0.112 R)
• M17: 7,598,076 km (0.091 R)
• M18: 8,018,895 km (0.08 R)
• M19: 8,699,415 km (0.088 R)
• M20: 9,592,365 km (0.105 R)
• M21: 10,685,776 km (0.048 R)
• M22: 10,828,043 km (0.066 R)
• M23: 11,808,957 km (0.113 R)
• M24: 14,459,981 km (0.118 R)
• M25: 15,404,691 km (0.04 R)
• M26: 17,679,626 km (0.118 R)
• M27: 19,174,557 km (0.119 R)
• M28: 21,346,270 km (0.115 R)
• M29: 22,028,286 km (0.118 R)
• M30: 23,276,681 km (0.063 R)
• M31: 23,918,156 km (0.114 R)
• M32: 24,985,687 km (0.092 R)
• M33: 27,215,144 km (0.062 R)
• M34: 27,837,321 km (0.093 R)
• M35: 32,460,195 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 585.3

Radius: 7.4

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.93 AU - 7.13 AU

Year: 10774 Days

Day: 18.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,099,868 km

• M1: 93,199 km (0.081 R)
• M2: 398,978 km (0.116 R)
• M3: 642,822 km (0.099 R)
• M4: 990,039 km (0.056 R)
• M5: 2,244,566 km (0.098 R)
• M6: 3,099,967 km (0.099 R)
• M7: 3,332,442 km (0.098 R)
• M8: 3,677,564 km (0.116 R)
• M9: 5,602,739 km (0.07 R)
• M10: 6,127,678 km (0.051 R)
• M11: 8,651,694 km (0.107 R)
• M12: 9,114,998 km (0.095 R)
• M13: 9,401,029 km (0.095 R)
• M14: 9,840,997 km (0.119 R)
• M15: 10,141,988 km (0.097 R)
• M16: 10,921,393 km (0.072 R)
• M17: 12,894,588 km (0.114 R)
• M18: 13,194,532 km (0.062 R)
• M19: 14,249,796 km (0.091 R)
• M20: 15,027,705 km (0.109 R)
• M21: 18,048,834 km (0.059 R)
• M22: 18,959,137 km (0.099 R)
• M23: 19,820,072 km (0.116 R)
• M24: 20,543,827 km (0.11 R)
• M25: 20,788,868 km (0.036 R)
• M26: 24,888,149 km (0.047 R)
• M27: 27,768,656 km (0.068 R)
• M28: 29,289,019 km (0.09 R)
• M29: 31,078,359 km (0.06 R)
• M30: 34,182,216 km (0.119 R)
• M31: 39,216,035 km (0.073 R)
• M32: 39,593,470 km (0.03 R)
• M33: 41,256,849 km (0.042 R)
• M34: 44,177,149 km (0.101 R)
• M35: 44,859,614 km (0.103 R)
• M36: 45,134,575 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 912.6

Radius: 5.3

Gravity: 32.49 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.08 AU - 7.08 AU

Year: 12164 Days

Day: 18.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 60,099,868 km

• M1: 73,453 km (0.095 R)
• M2: 398,828 km (0.082 R)
• M3: 606,171 km (0.085 R)
• M4: 1,121,086 km (0.102 R)
• M5: 1,287,439 km (0.113 R)
• M6: 1,455,587 km (0.075 R)
• M7: 2,051,585 km (0.106 R)
• M8: 2,467,318 km (0.07 R)
• M9: 2,890,231 km (0.114 R)
• M10: 3,965,989 km (0.046 R)
• M11: 4,143,263 km (0.12 R)
• M12: 4,973,531 km (0.111 R)
• M13: 5,320,598 km (0.092 R)
• M14: 5,833,419 km (0.115 R)
• M15: 8,266,030 km (0.082 R)
• M16: 8,953,133 km (0.066 R)
• M17: 9,258,911 km (0.116 R)
• M18: 9,677,486 km (0.035 R)
• M19: 10,108,627 km (0.043 R)
• M20: 11,067,101 km (0.117 R)
• M21: 13,294,314 km (0.118 R)
• M22: 18,942,531 km (0.098 R)
• M23: 19,193,407 km (0.113 R)
• M24: 20,834,495 km (0.082 R)
• M25: 22,009,886 km (0.117 R)
• M26: 22,380,290 km (0.119 R)
• M27: 23,806,108 km (0.092 R)
• M28: 24,889,495 km (0.043 R)
• M29: 25,902,722 km (0.071 R)
• M30: 31,970,411 km (0.078 R)
• M31: 34,021,697 km (0.076 R)
• M32: 42,387,958 km (0.074 R)
• M33: 43,105,280 km (0.065 R)
• M34: 43,830,680 km (0.101 R)
• M35: 47,426,115 km (0.075 R)
• M36: 52,683,733 km (0.057 R)
• M37: 54,014,406 km (0.074 R)
• M38: 55,367,219 km (0.048 R)
• M39: 55,537,910 km (0.061 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: 350 - 17,081 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit