🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.3

Radius: 12.2

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.59 AU - 0.83 AU

Year: 421 Days

Day: 7.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,740,775 km

• M1: 151,842 km (0.111 R)
• M2: 573,109 km (0.105 R)
• M3: 1,005,896 km (0.107 R)
• M4: 1,474,586 km (0.11 R)
• M5: 1,864,289 km (0.089 R)
• M6: 2,332,829 km (0.105 R)
• M7: 2,951,267 km (0.058 R)
• M8: 3,373,282 km (0.085 R)
• M9: 4,435,577 km (0.097 R)
• M10: 4,830,814 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802

Radius: 8.2

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.83 AU - 0.99 AU

Year: 610 Days

Day: 7 Hours

Environment

Temp: -179 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,740,775 km

• M1: 102,026 km (0.09 R)
• M2: 549,922 km (0.043 R)
• M3: 914,641 km (0.103 R)
• M4: 1,265,598 km (0.101 R)
• M5: 1,689,259 km (0.096 R)
• M6: 2,016,131 km (0.103 R)
• M7: 3,208,276 km (0.085 R)
• M8: 3,561,925 km (0.1 R)
• M9: 5,017,513 km (0.104 R)
• M10: 5,422,624 km (0.102 R)
• M11: 5,679,782 km (0.051 R)
• M12: 6,159,244 km (0.041 R)
• M13: 6,728,015 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.9

Radius: 14.3

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.75 AU - 1.13 AU

Year: 641 Days

Day: 6.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,740,775 km

• M1: 177,872 km (0.097 R)
• M2: 647,609 km (0.102 R)
• M3: 1,093,860 km (0.079 R)
• M4: 1,767,349 km (0.047 R)
• M5: 2,451,311 km (0.114 R)
• M6: 3,372,385 km (0.08 R)
• M7: 3,878,175 km (0.118 R)
• M8: 4,450,387 km (0.114 R)
• M9: 5,898,943 km (0.102 R)
• M10: 6,412,214 km (0.111 R)
• M11: 7,304,565 km (0.115 R)
• M12: 7,944,545 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.6

Radius: 11

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.31 AU - 1.47 AU

Year: 1152 Days

Day: 14.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,740,775 km

• M1: 136,732 km (0.111 R)
• M2: 540,946 km (0.113 R)
• M3: 1,263,204 km (0.113 R)
• M4: 2,066,994 km (0.06 R)
• M5: 3,111,187 km (0.112 R)
• M6: 3,737,404 km (0.102 R)
• M7: 4,264,587 km (0.062 R)
• M8: 4,632,747 km (0.084 R)
• M9: 5,486,203 km (0.089 R)
• M10: 5,978,829 km (0.087 R)
• M11: 6,461,132 km (0.077 R)
• M12: 6,886,289 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.3

Radius: 8.2

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.26 AU - 1.84 AU

Year: 1356 Days

Day: 14.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,740,775 km

• M1: 102,026 km (0.088 R)
• M2: 381,774 km (0.057 R)
• M3: 649,404 km (0.109 R)
• M4: 1,404,724 km (0.109 R)
• M5: 1,711,998 km (0.082 R)
• M6: 1,993,840 km (0.105 R)
• M7: 2,418,250 km (0.115 R)
• M8: 2,800,323 km (0.09 R)
• M9: 3,855,287 km (0.108 R)
• M10: 4,293,608 km (0.09 R)
• M11: 5,116,546 km (0.115 R)
• M12: 5,426,214 km (0.113 R)
• M13: 5,687,113 km (0.103 R)
• M14: 6,277,426 km (0.105 R)
• M15: 6,610,281 km (0.047 R)
• M16: 6,908,130 km (0.118 R)
• M17: 7,604,957 km (0.084 R)
• M18: 8,321,531 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642

Radius: 8.8

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.89 AU - 2.13 AU

Year: 2003 Days

Day: 6.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,740,775 km

• M1: 114,293 km (0.096 R)
• M2: 389,702 km (0.085 R)
• M3: 897,886 km (0.106 R)
• M4: 1,316,611 km (0.116 R)
• M5: 1,661,883 km (0.048 R)
• M6: 2,079,261 km (0.03 R)
• M7: 2,719,839 km (0.085 R)
• M8: 3,253,754 km (0.084 R)
• M9: 3,801,282 km (0.089 R)
• M10: 4,097,635 km (0.065 R)
• M11: 4,429,144 km (0.073 R)
• M12: 4,778,754 km (0.062 R)
• M13: 5,191,196 km (0.09 R)
• M14: 5,603,637 km (0.116 R)
• M15: 6,288,646 km (0.116 R)
• M16: 6,811,191 km (0.108 R)
• M17: 7,562,472 km (0.08 R)
• M18: 10,078,259 km (0.053 R)
• M19: 11,429,277 km (0.081 R)
• M20: 12,010,016 km (0.039 R)
• M21: 12,529,121 km (0.11 R)
• M22: 12,814,703 km (0.117 R)
• M23: 13,741,013 km (0.105 R)
• M24: 14,220,474 km (0.112 R)
• M25: 14,892,318 km (0.06 R)
• M26: 15,585,256 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204

Radius: 11.5

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.55 AU - 4.35 AU

Year: 5518 Days

Day: 11.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,740,775 km

• M1: 143,016 km (0.117 R)
• M2: 954,434 km (0.036 R)
• M3: 1,363,734 km (0.079 R)
• M4: 2,450,114 km (0.103 R)
• M5: 2,898,010 km (0.088 R)
• M6: 3,879,671 km (0.098 R)
• M7: 5,466,605 km (0.088 R)
• M8: 6,099,554 km (0.08 R)
• M9: 7,767,271 km (0.098 R)
• M10: 8,567,919 km (0.114 R)
• M11: 11,344,156 km (0.116 R)
• M12: 12,198,809 km (0.059 R)
• M13: 13,420,126 km (0.064 R)
• M14: 14,770,995 km (0.104 R)
• M15: 16,263,533 km (0.073 R)
• M16: 18,951,357 km (0.083 R)
• M17: 20,462,595 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.5

Radius: 9.9

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.47 AU - 4.67 AU

Year: 6867 Days

Day: 12.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,740,775 km

• M1: 123,717 km (0.108 R)
• M2: 447,597 km (0.097 R)
• M3: 935,435 km (0.106 R)
• M4: 1,295,069 km (0.085 R)
• M5: 1,652,009 km (0.107 R)
• M6: 2,407,778 km (0.083 R)
• M7: 2,835,179 km (0.106 R)
• M8: 4,510,376 km (0.068 R)
• M9: 6,008,598 km (0.053 R)
• M10: 6,656,956 km (0.112 R)
• M11: 7,126,843 km (0.081 R)
• M12: 8,092,946 km (0.072 R)
• M13: 8,419,967 km (0.105 R)
• M14: 9,188,002 km (0.05 R)
• M15: 9,544,045 km (0.111 R)
• M16: 10,765,212 km (0.113 R)
• M17: 12,624,116 km (0.067 R)
• M18: 13,009,031 km (0.106 R)
• M19: 14,269,991 km (0.065 R)
• M20: 19,765,170 km (0.095 R)
• M21: 21,428,399 km (0.038 R)
• M22: 22,374,007 km (0.08 R)
• M23: 23,844,255 km (0.104 R)
• M24: 24,859,576 km (0.054 R)
• M25: 27,892,523 km (0.05 R)
• M26: 29,019,444 km (0.052 R)
• M27: 29,401,816 km (0.025 R)
• M28: 34,468,696 km (0.07 R)
• M29: 35,875,514 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832.8

Radius: 5.3

Gravity: 29.65 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 7.19 AU - 7.67 AU

Year: 14236 Days

Day: 19 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 64,740,775 km

• M1: 96,640 km (0.119 R)
• M2: 340,934 km (0.09 R)
• M3: 509,530 km (0.112 R)
• M4: 717,621 km (0.05 R)
• M5: 971,189 km (0.11 R)
• M6: 1,151,006 km (0.091 R)
• M7: 1,381,836 km (0.109 R)
• M8: 1,829,582 km (0.057 R)
• M9: 2,030,193 km (0.087 R)
• M10: 2,348,088 km (0.07 R)
• M11: 2,607,940 km (0.034 R)
• M12: 3,586,759 km (0.06 R)
• M13: 3,843,618 km (0.101 R)
• M14: 4,458,465 km (0.072 R)
• M15: 4,721,907 km (0.059 R)
• M16: 5,316,409 km (0.114 R)
• M17: 5,688,609 km (0.101 R)
• M18: 6,780,673 km (0.096 R)
• M19: 7,957,859 km (0.117 R)
• M20: 9,212,237 km (0.099 R)
• M21: 9,749,144 km (0.103 R)
• M22: 9,969,651 km (0.074 R)
• M23: 11,730,867 km (0.085 R)
• M24: 13,281,299 km (0.119 R)
• M25: 17,745,449 km (0.075 R)
• M26: 18,999,827 km (0.088 R)
• M27: 19,692,465 km (0.099 R)
• M28: 19,868,243 km (0.052 R)
• M29: 20,045,067 km (0.109 R)
• M30: 20,312,100 km (0.106 R)
• M31: 20,491,617 km (0.098 R)
• M32: 23,706,176 km (0.104 R)
• M33: 24,306,363 km (0.096 R)
• M34: 33,055,445 km (0.113 R)
• M35: 41,634,733 km (0.1 R)
• M36: 42,801,596 km (0.089 R)
• M37: 45,813,600 km (0.089 R)
• M38: 46,743,949 km (0.083 R)
• M39: 50,427,497 km (0.107 R)
• M40: 57,465,030 km (0.081 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 12,424 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit