🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.2

Radius: 8

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.15 AU - 1.91 AU

Year: 1330 Days

Day: 5.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,951,252 km

• M1: 109,057 km (0.089 R)
• M2: 485,295 km (0.116 R)
• M3: 980,165 km (0.095 R)
• M4: 1,298,958 km (0.072 R)
• M5: 1,742,815 km (0.075 R)
• M6: 2,239,181 km (0.031 R)
• M7: 3,375,975 km (0.072 R)
• M8: 4,287,325 km (0.1 R)
• M9: 4,575,600 km (0.101 R)
• M10: 5,012,725 km (0.055 R)
• M11: 5,839,254 km (0.088 R)
• M12: 6,729,660 km (0.109 R)
• M13: 7,245,025 km (0.111 R)
• M14: 10,841,058 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.4

Radius: 15

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.54 AU - 1.86 AU

Year: 1558 Days

Day: 5.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,951,252 km

• M1: 187,297 km (0.088 R)
• M2: 910,153 km (0.088 R)
• M3: 1,432,100 km (0.108 R)
• M4: 2,215,395 km (0.076 R)
• M5: 3,426,390 km (0.068 R)
• M6: 5,929,910 km (0.097 R)
• M7: 6,399,199 km (0.114 R)
• M8: 7,359,916 km (0.093 R)
• M9: 8,241,795 km (0.092 R)
• M10: 9,505,299 km (0.119 R)
• M11: 10,349,929 km (0.093 R)
• M12: 11,033,292 km (0.034 R)
• M13: 11,601,614 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.9

Radius: 10.6

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.82 AU - 2.86 AU

Year: 2516 Days

Day: 14.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,951,252 km

• M1: 132,245 km (0.104 R)
• M2: 532,269 km (0.035 R)
• M3: 993,180 km (0.067 R)
• M4: 1,439,880 km (0.105 R)
• M5: 1,891,964 km (0.109 R)
• M6: 2,336,120 km (0.097 R)
• M7: 2,674,361 km (0.081 R)
• M8: 3,265,123 km (0.067 R)
• M9: 4,202,803 km (0.092 R)
• M10: 4,798,501 km (0.075 R)
• M11: 5,194,038 km (0.099 R)
• M12: 5,672,602 km (0.053 R)
• M13: 8,713,178 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.3

Radius: 12.3

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.22 AU - 4.2 AU

Year: 5023 Days

Day: 5.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,951,252 km

• M1: 155,582 km (0.106 R)
• M2: 947,703 km (0.071 R)
• M3: 1,576,313 km (0.087 R)
• M4: 3,531,856 km (0.105 R)
• M5: 6,247,357 km (0.098 R)
• M6: 6,644,689 km (0.113 R)
• M7: 9,713,390 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.6

Radius: 14.9

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.22 AU - 4.72 AU

Year: 5560 Days

Day: 5.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,951,252 km

• M1: 189,092 km (0.074 R)
• M2: 676,930 km (0.112 R)
• M3: 1,247,945 km (0.049 R)
• M4: 1,783,057 km (0.111 R)
• M5: 2,272,840 km (0.059 R)
• M6: 3,996,806 km (0.025 R)
• M7: 4,714,577 km (0.069 R)
• M8: 5,397,042 km (0.097 R)
• M9: 6,015,779 km (0.039 R)
• M10: 9,451,145 km (0.032 R)
• M11: 10,076,613 km (0.087 R)
• M12: 10,873,072 km (0.071 R)
• M13: 11,361,061 km (0.091 R)
• M14: 12,224,240 km (0.073 R)
• M15: 14,196,688 km (0.09 R)
• M16: 15,319,420 km (0.12 R)
• M17: 15,933,669 km (0.113 R)
• M18: 17,409,153 km (0.074 R)
• M19: 20,705,243 km (0.111 R)
• M20: 22,697,139 km (0.033 R)
• M21: 23,174,356 km (0.095 R)
• M22: 26,970,551 km (0.101 R)
• M23: 28,231,512 km (0.117 R)
• M24: 29,343,323 km (0.058 R)
• M25: 34,816,062 km (0.084 R)
• M26: 35,558,217 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.3

Radius: 5.1

Gravity: 19.39 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.39 AU - 9.25 AU

Year: 15372 Days

Day: 18.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 73,951,252 km

• M1: 64,177 km (0.073 R)
• M2: 235,317 km (0.07 R)
• M3: 433,983 km (0.064 R)
• M4: 596,746 km (0.06 R)
• M5: 996,023 km (0.108 R)
• M6: 1,396,496 km (0.117 R)
• M7: 1,729,651 km (0.12 R)
• M8: 1,915,152 km (0.114 R)
• M9: 2,208,962 km (0.057 R)
• M10: 3,400,958 km (0.103 R)
• M11: 4,390,997 km (0.075 R)
• M12: 4,803,288 km (0.073 R)
• M13: 5,275,868 km (0.09 R)
• M14: 5,631,911 km (0.11 R)
• M15: 8,020,839 km (0.106 R)
• M16: 8,206,939 km (0.072 R)
• M17: 8,831,959 km (0.098 R)
• M18: 9,960,974 km (0.091 R)
• M19: 10,840,161 km (0.097 R)
• M20: 11,591,741 km (0.112 R)
• M21: 11,889,889 km (0.109 R)
• M22: 12,132,088 km (0.119 R)
• M23: 12,377,578 km (0.07 R)
• M24: 14,462,075 km (0.088 R)
• M25: 14,877,359 km (0.064 R)
• M26: 17,931,100 km (0.067 R)
• M27: 19,145,236 km (0.094 R)
• M28: 21,023,587 km (0.047 R)
• M29: 21,736,122 km (0.051 R)
• M30: 22,280,957 km (0.095 R)
• M31: 25,341,281 km (0.049 R)
• M32: 28,887,947 km (0.069 R)
• M33: 29,215,866 km (0.1 R)
• M34: 34,806,637 km (0.094 R)
• M35: 36,689,925 km (0.074 R)
• M36: 37,203,345 km (0.096 R)
• M37: 47,891,664 km (0.063 R)
• M38: 49,278,586 km (0.077 R)
• M39: 54,760,151 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937

Radius: 7.8

Gravity: 15.4 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.33 AU - 9.99 AU

Year: 16385 Days

Day: 15.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,951,252 km

• M1: 97,388 km (0.068 R)
• M2: 780,901 km (0.116 R)
• M3: 1,666,670 km (0.11 R)
• M4: 2,192,506 km (0.098 R)
• M5: 2,516,984 km (0.119 R)
• M6: 3,025,467 km (0.097 R)
• M7: 3,457,356 km (0.089 R)
• M8: 3,868,302 km (0.085 R)
• M9: 5,452,244 km (0.082 R)
• M10: 6,134,261 km (0.095 R)
• M11: 7,474,807 km (0.118 R)
• M12: 8,892,696 km (0.1 R)
• M13: 12,586,716 km (0.081 R)
• M14: 12,997,661 km (0.097 R)
• M15: 13,991,440 km (0.08 R)
• M16: 15,419,950 km (0.075 R)
• M17: 16,778,149 km (0.098 R)
• M18: 19,186,525 km (0.115 R)
• M19: 20,472,917 km (0.118 R)
• M20: 22,111,313 km (0.109 R)
• M21: 23,939,250 km (0.091 R)
• M22: 24,358,722 km (0.058 R)
• M23: 29,661,967 km (0.085 R)
• M24: 35,414,902 km (0.03 R)
• M25: 35,959,738 km (0.117 R)
• M26: 36,234,100 km (0.105 R)
• M27: 41,718,358 km (0.061 R)
• M28: 47,400,983 km (0.115 R)
• M29: 52,161,935 km (0.112 R)
• M30: 52,867,140 km (0.099 R)
• M31: 54,116,431 km (0.098 R)
• M32: 57,232,106 km (0.112 R)
• M33: 64,019,511 km (0.097 R)
• M34: 67,919,528 km (0.118 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 12,708 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit