🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.8

Radius: 11

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.44 AU - 0.64 AU

Year: 269 Days

Day: 5.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,264,054 km

• M1: 136,732 km (0.088 R)
• M2: 537,056 km (0.09 R)
• M3: 944,411 km (0.115 R)
• M4: 1,385,875 km (0.089 R)
• M5: 1,832,724 km (0.034 R)
• M6: 2,366,489 km (0.079 R)
• M7: 3,042,821 km (0.115 R)
• M8: 3,438,058 km (0.057 R)
• M9: 3,855,586 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.8

Radius: 8.3

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.1 AU - 1.72 AU

Year: 1136 Days

Day: 7.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,264,054 km

• M1: 103,223 km (0.032 R)
• M2: 382,073 km (0.035 R)
• M3: 703,409 km (0.095 R)
• M4: 2,210,608 km (0.064 R)
• M5: 3,532,903 km (0.095 R)
• M6: 3,912,433 km (0.082 R)
• M7: 4,407,153 km (0.054 R)
• M8: 4,791,021 km (0.108 R)
• M9: 9,526,093 km (0.064 R)
• M10: 10,075,566 km (0.046 R)
• M11: 10,389,722 km (0.07 R)
• M12: 11,070,990 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.3

Radius: 12.9

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.6 AU - 1.96 AU

Year: 1611 Days

Day: 11.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,264,054 km

• M1: 160,369 km (0.091 R)
• M2: 690,993 km (0.092 R)
• M3: 1,293,722 km (0.076 R)
• M4: 1,722,919 km (0.086 R)
• M5: 2,310,838 km (0.077 R)
• M6: 2,925,087 km (0.094 R)
• M7: 3,543,974 km (0.087 R)
• M8: 4,248,729 km (0.073 R)
• M9: 6,159,692 km (0.114 R)
• M10: 8,311,807 km (0.094 R)
• M11: 8,745,641 km (0.086 R)
• M12: 9,726,554 km (0.111 R)
• M13: 11,221,336 km (0.079 R)
• M14: 12,259,994 km (0.099 R)
• M15: 14,088,679 km (0.076 R)
• M16: 15,575,083 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.6

Radius: 8.3

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.79 AU - 4.23 AU

Year: 4460 Days

Day: 7.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,264,054 km

• M1: 103,223 km (0.083 R)
• M2: 362,476 km (0.119 R)
• M3: 810,222 km (0.04 R)
• M4: 1,078,002 km (0.073 R)
• M5: 1,612,515 km (0.068 R)
• M6: 1,920,388 km (0.062 R)
• M7: 2,571,737 km (0.106 R)
• M8: 3,403,052 km (0.061 R)
• M9: 3,738,301 km (0.109 R)
• M10: 5,729,598 km (0.065 R)
• M11: 6,359,854 km (0.099 R)
• M12: 7,616,626 km (0.062 R)
• M13: 9,512,330 km (0.065 R)
• M14: 13,218,169 km (0.053 R)
• M15: 15,417,706 km (0.115 R)
• M16: 15,873,680 km (0.066 R)
• M17: 18,226,556 km (0.039 R)
• M18: 19,125,041 km (0.11 R)
• M19: 19,585,204 km (0.05 R)
• M20: 19,918,508 km (0.111 R)
• M21: 20,940,860 km (0.117 R)
• M22: 23,989,215 km (0.095 R)
• M23: 28,412,226 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.8

Radius: 10.1

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.38 AU - 4.56 AU

Year: 5365 Days

Day: 9.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 122.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,264,054 km

• M1: 125,812 km (0.037 R)
• M2: 538,253 km (0.118 R)
• M3: 1,506,899 km (0.055 R)
• M4: 2,099,457 km (0.088 R)
• M5: 2,666,432 km (0.114 R)
• M6: 3,149,933 km (0.106 R)
• M7: 3,522,731 km (0.057 R)
• M8: 4,045,126 km (0.071 R)
• M9: 5,392,405 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.6

Radius: 14.8

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.3 AU - 5.76 AU

Year: 8820 Days

Day: 5.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,264,054 km

• M1: 188,194 km (0.088 R)
• M2: 861,833 km (0.113 R)
• M3: 1,660,836 km (0.101 R)
• M4: 2,246,511 km (0.1 R)
• M5: 3,733,215 km (0.061 R)
• M6: 4,312,907 km (0.118 R)
• M7: 5,202,715 km (0.079 R)
• M8: 9,462,664 km (0.103 R)
• M9: 10,250,446 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135.9

Radius: 3.2

Gravity: 13.27 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.49 AU - 10.63 AU

Year: 18496 Days

Day: 16.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,264,054 km

• M1: 45,777 km (0.105 R)
• M2: 152,889 km (0.089 R)
• M3: 323,879 km (0.098 R)
• M4: 572,062 km (0.069 R)
• M5: 745,895 km (0.12 R)
• M6: 1,013,974 km (0.095 R)
• M7: 1,393,055 km (0.096 R)
• M8: 1,538,465 km (0.105 R)
• M9: 2,367,386 km (0.064 R)
• M10: 2,653,268 km (0.118 R)
• M11: 2,794,189 km (0.098 R)
• M12: 3,409,186 km (0.081 R)
• M13: 4,271,169 km (0.059 R)
• M14: 4,840,987 km (0.117 R)
• M15: 5,268,837 km (0.053 R)
• M16: 7,234,254 km (0.087 R)
• M17: 8,683,109 km (0.097 R)
• M18: 11,123,798 km (0.115 R)
• M19: 12,138,970 km (0.047 R)
• M20: 12,810,963 km (0.063 R)
• M21: 19,327,746 km (0.073 R)
• M22: 22,157,539 km (0.085 R)
• M23: 24,894,432 km (0.108 R)
• M24: 25,976,174 km (0.118 R)
• M25: 30,413,546 km (0.06 R)
• M26: 34,109,511 km (0.096 R)
• M27: 34,550,077 km (0.092 R)
• M28: 37,273,357 km (0.088 R)
• M29: 38,567,977 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.3

Radius: 3.2

Gravity: 79.03 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 8.48 AU - 11.28 AU

Year: 21063 Days

Day: 15.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,264,054 km

• M1: 39,793 km (0.065 R)
• M2: 147,504 km (0.082 R)
• M3: 349,760 km (0.077 R)
• M4: 478,264 km (0.103 R)
• M5: 1,026,241 km (0.105 R)
• M6: 1,133,653 km (0.107 R)
• M7: 1,340,247 km (0.061 R)
• M8: 1,696,141 km (0.117 R)
• M9: 2,242,173 km (0.082 R)
• M10: 3,577,483 km (0.114 R)
• M11: 4,393,540 km (0.108 R)
• M12: 5,406,168 km (0.083 R)
• M13: 7,177,556 km (0.12 R)
• M14: 7,324,312 km (0.091 R)
• M15: 9,891,112 km (0.113 R)
• M16: 10,885,938 km (0.074 R)
• M17: 11,473,857 km (0.084 R)
• M18: 12,220,800 km (0.074 R)
• M19: 13,364,176 km (0.112 R)
• M20: 15,130,179 km (0.068 R)
• M21: 16,193,970 km (0.094 R)
• M22: 17,045,481 km (0.081 R)
• M23: 17,219,313 km (0.032 R)
• M24: 17,394,343 km (0.092 R)
• M25: 18,652,760 km (0.111 R)
• M26: 19,116,514 km (0.054 R)
• M27: 24,514,304 km (0.119 R)
• M28: 26,789,687 km (0.096 R)
• M29: 27,379,701 km (0.07 R)
• M30: 30,716,482 km (0.109 R)
• M31: 33,627,657 km (0.09 R)
• M32: 35,999,381 km (0.079 R)
• M33: 38,929,555 km (0.068 R)
• M34: 46,263,590 km (0.088 R)
• M35: 53,345,254 km (0.083 R)
• M36: 56,176,693 km (0.082 R)
• M37: 58,512,814 km (0.083 R)
• M38: 61,931,723 km (0.098 R)
• M39: 73,901,647 km (0.048 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 15,501 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit