🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.4

Radius: 13.7

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.7 AU - 0.82 AU

Year: 457 Days

Day: 12.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,646,187 km

• M1: 170,990 km (0.117 R)
• M2: 616,194 km (0.088 R)
• M3: 1,128,866 km (0.115 R)
• M4: 1,667,867 km (0.091 R)
• M5: 2,151,816 km (0.115 R)
• M6: 3,183,293 km (0.108 R)
• M7: 3,749,072 km (0.103 R)
• M8: 4,622,275 km (0.045 R)
• M9: 5,382,980 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.6

Radius: 11.7

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.78 AU - 0.92 AU

Year: 541 Days

Day: 6.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,646,187 km

• M1: 145,559 km (0.117 R)
• M2: 530,624 km (0.063 R)
• M3: 925,712 km (0.095 R)
• M4: 1,504,955 km (0.092 R)
• M5: 2,611,231 km (0.04 R)
• M6: 3,034,892 km (0.116 R)
• M7: 3,440,153 km (0.12 R)
• M8: 4,109,005 km (0.06 R)
• M9: 4,607,166 km (0.052 R)
• M10: 5,688,609 km (0.081 R)
• M11: 6,250,648 km (0.12 R)
• M12: 6,869,983 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.5

Radius: 11

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.84 AU - 1.08 AU

Year: 649 Days

Day: 10.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,646,187 km

• M1: 136,732 km (0.108 R)
• M2: 531,072 km (0.086 R)
• M3: 908,209 km (0.083 R)
• M4: 1,519,316 km (0.105 R)
• M5: 2,007,603 km (0.09 R)
• M6: 3,078,575 km (0.11 R)
• M7: 3,814,147 km (0.079 R)
• M8: 4,693,932 km (0.068 R)
• M9: 5,173,842 km (0.103 R)
• M10: 5,546,341 km (0.083 R)
• M11: 5,973,293 km (0.079 R)
• M12: 6,441,236 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.5

Radius: 9.4

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.06 AU - 1.24 AU

Year: 851 Days

Day: 9.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,646,187 km

• M1: 116,986 km (0.092 R)
• M2: 456,722 km (0.108 R)
• M3: 809,025 km (0.114 R)
• M4: 1,146,518 km (0.107 R)
• M5: 1,539,661 km (0.109 R)
• M6: 1,910,664 km (0.105 R)
• M7: 2,237,835 km (0.1 R)
• M8: 2,823,361 km (0.096 R)
• M9: 3,735,160 km (0.118 R)
• M10: 4,219,707 km (0.104 R)
• M11: 5,426,364 km (0.042 R)
• M12: 6,419,544 km (0.111 R)
• M13: 7,366,798 km (0.088 R)
• M14: 7,718,203 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.8

Radius: 10.1

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.72 AU - 2.36 AU

Year: 2011 Days

Day: 13.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,646,187 km

• M1: 125,662 km (0.083 R)
• M2: 582,085 km (0.088 R)
• M3: 1,318,705 km (0.101 R)
• M4: 1,655,600 km (0.086 R)
• M5: 2,200,136 km (0.076 R)
• M6: 2,564,706 km (0.096 R)
• M7: 3,870,995 km (0.114 R)
• M8: 4,303,482 km (0.099 R)
• M9: 4,878,237 km (0.08 R)
• M10: 5,503,406 km (0.098 R)
• M11: 6,446,023 km (0.104 R)
• M12: 7,199,248 km (0.094 R)
• M13: 7,552,299 km (0.102 R)
• M14: 8,947,449 km (0.107 R)
• M15: 9,356,150 km (0.106 R)
• M16: 10,507,156 km (0.094 R)
• M17: 11,000,829 km (0.091 R)
• M18: 12,830,261 km (0.086 R)
• M19: 15,917,213 km (0.101 R)
• M20: 17,186,103 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.4

Radius: 10.7

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.02 AU - 6.7 AU

Year: 8566 Days

Day: 5.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,646,187 km

• M1: 135,835 km (0.091 R)
• M2: 512,672 km (0.081 R)
• M3: 929,003 km (0.116 R)
• M4: 1,607,878 km (0.078 R)
• M5: 2,093,323 km (0.12 R)
• M6: 2,560,218 km (0.077 R)
• M7: 4,535,059 km (0.109 R)
• M8: 5,007,190 km (0.114 R)
• M9: 7,705,188 km (0.091 R)
• M10: 8,379,126 km (0.05 R)
• M11: 8,938,622 km (0.105 R)
• M12: 9,364,677 km (0.058 R)
• M13: 9,723,263 km (0.071 R)
• M14: 10,257,477 km (0.056 R)
• M15: 12,737,212 km (0.071 R)
• M16: 15,316,279 km (0.103 R)
• M17: 17,555,909 km (0.11 R)
• M18: 19,101,404 km (0.114 R)
• M19: 21,277,904 km (0.053 R)
• M20: 22,178,932 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.9

Radius: 4.2

Gravity: 35.65 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 8.76 AU - 11.56 AU

Year: 22354 Days

Day: 18.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,646,187 km

• M1: 52,658 km (0.106 R)
• M2: 284,984 km (0.117 R)
• M3: 624,422 km (0.053 R)
• M4: 983,307 km (0.11 R)
• M5: 1,152,502 km (0.113 R)
• M6: 1,618,948 km (0.119 R)
• M7: 1,993,392 km (0.109 R)
• M8: 3,017,838 km (0.104 R)
• M9: 3,406,643 km (0.038 R)
• M10: 5,618,597 km (0.114 R)
• M11: 6,162,385 km (0.041 R)
• M12: 6,694,654 km (0.047 R)
• M13: 9,020,752 km (0.116 R)
• M14: 11,051,244 km (0.109 R)
• M15: 11,635,722 km (0.088 R)
• M16: 15,987,076 km (0.093 R)
• M17: 20,625,208 km (0.118 R)
• M18: 21,310,965 km (0.115 R)
• M19: 28,180,200 km (0.049 R)
• M20: 28,419,556 km (0.082 R)
• M21: 30,008,734 km (0.04 R)
• M22: 33,229,577 km (0.104 R)
• M23: 37,389,594 km (0.096 R)
• M24: 38,114,994 km (0.083 R)
• M25: 40,651,725 km (0.113 R)
• M26: 42,039,096 km (0.107 R)
• M27: 53,556,935 km (0.041 R)
• M28: 54,108,652 km (0.097 R)
• M29: 61,226,220 km (0.066 R)
• M30: 61,829,249 km (0.07 R)
• M31: 66,161,753 km (0.1 R)
• M32: 66,372,985 km (0.095 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 11,313 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit