🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.53 AU - 0.79 AU

Year: 346 Days

Day: 28.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.6

Radius: 10.6

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.67 AU - 0.77 AU

Year: 394 Days

Day: 14.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 90,627,448 km

• M1: 132,095 km (0.067 R)
• M2: 917,035 km (0.108 R)
• M3: 1,565,392 km (0.102 R)
• M4: 2,315,625 km (0.114 R)
• M5: 2,777,434 km (0.073 R)
• M6: 3,359,968 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.5

Radius: 11.2

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3 AU - 3.44 AU

Year: 3731 Days

Day: 7.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 109.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,627,448 km

• M1: 139,276 km (0.066 R)
• M2: 647,460 km (0.046 R)
• M3: 1,038,359 km (0.105 R)
• M4: 1,866,084 km (0.097 R)
• M5: 2,501,725 km (0.04 R)
• M6: 2,863,004 km (0.091 R)
• M7: 3,453,168 km (0.072 R)
• M8: 3,884,159 km (0.118 R)
• M9: 4,267,130 km (0.109 R)
• M10: 4,832,161 km (0.083 R)
• M11: 5,570,726 km (0.086 R)
• M12: 6,437,795 km (0.064 R)
• M13: 6,831,985 km (0.079 R)
• M14: 7,362,459 km (0.027 R)
• M15: 8,843,777 km (0.108 R)
• M16: 9,367,220 km (0.112 R)
• M17: 11,222,982 km (0.078 R)
• M18: 12,910,296 km (0.091 R)
• M19: 13,539,056 km (0.102 R)
• M20: 16,260,092 km (0.077 R)
• M21: 18,752,841 km (0.095 R)
• M22: 19,442,936 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.9

Radius: 7.3

Gravity: 12.72 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.09 AU - 7.79 AU

Year: 13103 Days

Day: 21.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 90,627,448 km

• M1: 90,806 km (0.041 R)
• M2: 371,302 km (0.102 R)
• M3: 634,893 km (0.067 R)
• M4: 1,117,795 km (0.1 R)
• M5: 1,602,044 km (0.067 R)
• M6: 2,256,983 km (0.058 R)
• M7: 3,530,659 km (0.03 R)
• M8: 4,172,434 km (0.054 R)
• M9: 4,536,705 km (0.044 R)
• M10: 4,889,307 km (0.103 R)
• M11: 5,613,062 km (0.039 R)
• M12: 6,249,750 km (0.063 R)
• M13: 7,101,411 km (0.056 R)
• M14: 7,755,453 km (0.072 R)
• M15: 9,133,100 km (0.08 R)
• M16: 9,591,916 km (0.105 R)
• M17: 13,966,008 km (0.074 R)
• M18: 16,359,874 km (0.087 R)
• M19: 17,810,225 km (0.12 R)
• M20: 19,261,623 km (0.073 R)
• M21: 20,357,577 km (0.069 R)
• M22: 22,306,090 km (0.079 R)
• M23: 24,375,776 km (0.039 R)
• M24: 24,961,751 km (0.079 R)
• M25: 26,365,428 km (0.059 R)
• M26: 29,880,978 km (0.086 R)
• M27: 39,273,181 km (0.08 R)
• M28: 41,031,405 km (0.102 R)
• M29: 44,269,451 km (0.117 R)
• M30: 49,052,394 km (0.105 R)
• M31: 52,049,288 km (0.095 R)
• M32: 54,665,755 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.4

Radius: 7.2

Gravity: 13.84 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.32 AU - 12.02 AU

Year: 19416 Days

Day: 16.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 90,627,448 km

• M1: 89,759 km (0.077 R)
• M2: 704,008 km (0.108 R)
• M3: 1,148,762 km (0.116 R)
• M4: 1,404,126 km (0.096 R)
• M5: 1,916,050 km (0.077 R)
• M6: 2,499,930 km (0.112 R)
• M7: 5,695,640 km (0.094 R)
• M8: 6,491,351 km (0.094 R)
• M9: 7,502,932 km (0.117 R)
• M10: 10,009,444 km (0.1 R)
• M11: 11,418,656 km (0.073 R)
• M12: 13,664,868 km (0.095 R)
• M13: 15,006,611 km (0.096 R)
• M14: 15,316,279 km (0.102 R)
• M15: 16,762,890 km (0.093 R)
• M16: 19,925,539 km (0.055 R)
• M17: 21,548,526 km (0.09 R)
• M18: 24,839,380 km (0.095 R)
• M19: 25,821,939 km (0.037 R)
• M20: 26,830,229 km (0.12 R)
• M21: 27,172,060 km (0.101 R)
• M22: 27,748,161 km (0.112 R)
• M23: 28,097,771 km (0.063 R)
• M24: 29,404,957 km (0.06 R)
• M25: 32,012,000 km (0.036 R)
• M26: 33,437,368 km (0.109 R)
• M27: 39,562,653 km (0.048 R)
• M28: 45,098,821 km (0.119 R)
• M29: 46,232,025 km (0.083 R)
• M30: 53,074,482 km (0.105 R)
• M31: 59,589,769 km (0.082 R)
• M32: 67,876,294 km (0.075 R)
• M33: 69,363,746 km (0.107 R)
• M34: 74,628,394 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777.9

Radius: 6.4

Gravity: 18.99 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 10.99 AU - 11.53 AU

Year: 24396 Days

Day: 15.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 90,627,448 km

• M1: 79,586 km (0.089 R)
• M2: 302,337 km (0.102 R)
• M3: 634,445 km (0.074 R)
• M4: 837,000 km (0.088 R)
• M5: 1,210,247 km (0.095 R)
• M6: 2,110,228 km (0.091 R)
• M7: 2,598,515 km (0.118 R)
• M8: 3,187,931 km (0.106 R)
• M9: 4,062,480 km (0.104 R)
• M10: 4,555,405 km (0.041 R)
• M11: 5,008,986 km (0.105 R)
• M12: 5,492,187 km (0.096 R)
• M13: 6,598,313 km (0.09 R)
• M14: 7,898,468 km (0.097 R)
• M15: 11,330,244 km (0.07 R)
• M16: 15,062,411 km (0.108 R)
• M17: 15,475,601 km (0.089 R)
• M18: 16,066,512 km (0.1 R)
• M19: 21,347,915 km (0.096 R)
• M20: 22,505,803 km (0.113 R)
• M21: 23,045,851 km (0.117 R)
• M22: 23,373,919 km (0.111 R)
• M23: 23,705,129 km (0.101 R)
• M24: 25,292,213 km (0.098 R)
• M25: 28,051,246 km (0.081 R)
• M26: 28,550,754 km (0.1 R)
• M27: 30,608,173 km (0.031 R)
• M28: 32,214,555 km (0.082 R)
• M29: 35,159,688 km (0.03 R)
• M30: 35,740,278 km (0.109 R)
• M31: 36,771,755 km (0.12 R)
• M32: 37,974,671 km (0.114 R)
• M33: 42,391,549 km (0.099 R)
• M34: 46,614,098 km (0.073 R)
• M35: 54,131,990 km (0.113 R)
• M36: 56,674,405 km (0.118 R)
• M37: 59,500,309 km (0.103 R)
• M38: 68,089,172 km (0.119 R)
• M39: 68,313,868 km (0.11 R)
• M40: 72,677,638 km (0.09 R)
• M41: 76,493,730 km (0.053 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 18,834 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit