🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.4

Radius: 14

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1 AU - 1.22 AU

Year: 767 Days

Day: 14.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,798,622 km

• M1: 174,132 km (0.051 R)
• M2: 793,617 km (0.116 R)
• M3: 1,552,228 km (0.08 R)
• M4: 2,017,327 km (0.086 R)
• M5: 2,587,445 km (0.093 R)
• M6: 3,673,525 km (0.119 R)
• M7: 4,375,289 km (0.093 R)
• M8: 5,027,236 km (0.038 R)
• M9: 5,990,497 km (0.085 R)
• M10: 6,880,754 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.4

Radius: 8.8

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.68 AU - 2.12 AU

Year: 1718 Days

Day: 12.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,798,622 km

• M1: 159,322 km (0.092 R)
• M2: 687,851 km (0.085 R)
• M3: 1,036,863 km (0.081 R)
• M4: 1,421,479 km (0.083 R)
• M5: 2,345,844 km (0.099 R)
• M6: 4,314,702 km (0.115 R)
• M7: 5,404,821 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.3

Radius: 11.5

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.86 AU - 4.8 AU

Year: 5911 Days

Day: 9.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,798,622 km

• M1: 143,464 km (0.044 R)
• M2: 501,901 km (0.078 R)
• M3: 1,573,470 km (0.077 R)
• M4: 1,971,251 km (0.054 R)
• M5: 2,805,558 km (0.104 R)
• M6: 3,273,201 km (0.077 R)
• M7: 4,267,279 km (0.066 R)
• M8: 8,111,645 km (0.073 R)
• M9: 11,440,497 km (0.027 R)
• M10: 13,704,212 km (0.11 R)
• M11: 14,539,866 km (0.032 R)
• M12: 17,124,468 km (0.066 R)
• M13: 20,142,306 km (0.082 R)
• M14: 26,865,085 km (0.105 R)
• M15: 29,159,318 km (0.05 R)
• M16: 30,261,106 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.6

Radius: 10.6

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.49 AU - 5.29 AU

Year: 6034 Days

Day: 7.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,798,622 km

• M1: 132,993 km (0.044 R)
• M2: 465,549 km (0.111 R)
• M3: 849,716 km (0.083 R)
• M4: 1,363,734 km (0.044 R)
• M5: 1,784,553 km (0.101 R)
• M6: 2,244,866 km (0.12 R)
• M7: 3,045,364 km (0.075 R)
• M8: 3,774,205 km (0.098 R)
• M9: 4,412,838 km (0.108 R)
• M10: 5,346,179 km (0.118 R)
• M11: 5,695,041 km (0.117 R)
• M12: 6,183,927 km (0.116 R)
• M13: 6,901,548 km (0.079 R)
• M14: 7,710,274 km (0.083 R)
• M15: 8,270,967 km (0.062 R)
• M16: 8,979,463 km (0.093 R)
• M17: 10,974,350 km (0.118 R)
• M18: 11,587,851 km (0.101 R)
• M19: 13,781,554 km (0.083 R)
• M20: 14,608,082 km (0.085 R)
• M21: 15,004,966 km (0.074 R)
• M22: 18,052,424 km (0.12 R)
• M23: 22,979,729 km (0.108 R)
• M24: 24,696,514 km (0.116 R)
• M25: 25,260,199 km (0.117 R)
• M26: 28,121,408 km (0.101 R)
• M27: 28,736,255 km (0.09 R)
• M28: 29,630,102 km (0.118 R)
• M29: 30,634,652 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.8

Radius: 8.7

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.12 AU - 5.89 AU

Year: 7334 Days

Day: 14.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,798,622 km

• M1: 108,458 km (0.099 R)
• M2: 851,361 km (0.109 R)
• M3: 2,635,166 km (0.081 R)
• M4: 4,090,754 km (0.082 R)
• M5: 4,519,052 km (0.057 R)
• M6: 5,371,461 km (0.091 R)
• M7: 7,162,746 km (0.103 R)
• M8: 12,418,718 km (0.109 R)
• M9: 12,750,975 km (0.041 R)
• M10: 14,994,643 km (0.101 R)
• M11: 16,209,677 km (0.11 R)
• M12: 18,260,066 km (0.072 R)
• M13: 18,617,754 km (0.109 R)
• M14: 19,421,394 km (0.105 R)
• M15: 25,173,881 km (0.115 R)
• M16: 25,796,058 km (0.044 R)
• M17: 31,968,467 km (0.036 R)
• M18: 32,593,187 km (0.071 R)
• M19: 36,063,110 km (0.095 R)
• M20: 36,626,645 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.2

Radius: 4.4

Gravity: 21.55 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.2 AU - 8.6 AU

Year: 13206 Days

Day: 19.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,798,622 km

• M1: 65,823 km (0.103 R)
• M2: 574,905 km (0.112 R)
• M3: 790,924 km (0.072 R)
• M4: 1,482,066 km (0.059 R)
• M5: 2,314,877 km (0.062 R)
• M6: 3,622,512 km (0.034 R)
• M7: 5,390,011 km (0.118 R)
• M8: 6,496,736 km (0.117 R)
• M9: 7,204,633 km (0.07 R)
• M10: 8,679,668 km (0.119 R)
• M11: 15,825,061 km (0.077 R)
• M12: 23,505,416 km (0.111 R)
• M13: 24,140,010 km (0.105 R)
• M14: 29,738,561 km (0.086 R)
• M15: 34,030,673 km (0.106 R)
• M16: 38,094,051 km (0.118 R)
• M17: 38,592,361 km (0.076 R)
• M18: 43,005,049 km (0.107 R)
• M19: 44,364,146 km (0.103 R)
• M20: 48,031,239 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.7

Radius: 5.9

Gravity: 22.37 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 9.37 AU - 12.21 AU

Year: 23251 Days

Day: 20.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,798,622 km

• M1: 74,649 km (0.066 R)
• M2: 329,863 km (0.113 R)
• M3: 637,885 km (0.086 R)
• M4: 994,826 km (0.07 R)
• M5: 1,347,727 km (0.084 R)
• M6: 1,651,112 km (0.084 R)
• M7: 2,040,665 km (0.045 R)
• M8: 2,348,537 km (0.117 R)
• M9: 3,112,683 km (0.093 R)
• M10: 3,770,465 km (0.106 R)
• M11: 4,304,230 km (0.116 R)
• M12: 5,040,700 km (0.086 R)
• M13: 5,772,383 km (0.103 R)
• M14: 6,807,601 km (0.078 R)
• M15: 7,751,862 km (0.069 R)
• M16: 8,391,393 km (0.11 R)
• M17: 8,893,743 km (0.045 R)
• M18: 9,356,748 km (0.037 R)
• M19: 13,582,290 km (0.117 R)
• M20: 19,596,124 km (0.045 R)
• M21: 24,164,993 km (0.063 R)
• M22: 26,576,211 km (0.087 R)
• M23: 28,146,690 km (0.112 R)
• M24: 29,269,422 km (0.084 R)
• M25: 29,777,905 km (0.029 R)
• M26: 33,227,632 km (0.032 R)
• M27: 33,642,018 km (0.079 R)
• M28: 39,501,916 km (0.104 R)
• M29: 42,347,268 km (0.097 R)
• M30: 47,737,877 km (0.106 R)
• M31: 58,040,084 km (0.088 R)
• M32: 59,652,151 km (0.058 R)
• M33: 64,238,522 km (0.037 R)
• M34: 80,634,150 km (0.072 R)
• M35: 81,382,289 km (0.095 R)
• M36: 84,165,557 km (0.092 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 20,273 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit