🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.4

Radius: 14.4

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.75 AU - 0.99 AU

Year: 560 Days

Day: 7.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,208,652 km

• M1: 181,761 km (0.07 R)
• M2: 709,842 km (0.093 R)
• M3: 1,488,200 km (0.087 R)
• M4: 2,098,110 km (0.116 R)
• M5: 2,558,124 km (0.059 R)
• M6: 3,334,686 km (0.101 R)
• M7: 3,859,625 km (0.084 R)
• M8: 4,574,703 km (0.118 R)
• M9: 6,404,135 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.2

Radius: 13.5

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.8 AU - 1.22 AU

Year: 701 Days

Day: 6.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,208,652 km

• M1: 167,998 km (0.077 R)
• M2: 623,973 km (0.089 R)
• M3: 1,051,823 km (0.04 R)
• M4: 2,231,252 km (0.078 R)
• M5: 2,983,879 km (0.076 R)
• M6: 3,665,148 km (0.112 R)
• M7: 4,310,363 km (0.08 R)
• M8: 4,996,868 km (0.092 R)
• M9: 5,626,675 km (0.032 R)
• M10: 6,388,278 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.8

Radius: 10.7

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.93 AU - 1.25 AU

Year: 786 Days

Day: 5.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,208,652 km

• M1: 133,142 km (0.068 R)
• M2: 645,066 km (0.12 R)
• M3: 1,069,924 km (0.105 R)
• M4: 1,419,833 km (0.078 R)
• M5: 1,929,962 km (0.117 R)
• M6: 2,265,510 km (0.027 R)
• M7: 3,044,017 km (0.069 R)
• M8: 3,488,622 km (0.087 R)
• M9: 4,180,961 km (0.084 R)
• M10: 4,560,192 km (0.104 R)
• M11: 5,052,967 km (0.044 R)
• M12: 5,679,034 km (0.11 R)
• M13: 6,549,993 km (0.098 R)
• M14: 7,627,696 km (0.09 R)
• M15: 9,252,479 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.7

Radius: 9.1

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.73 AU - 2.09 AU

Year: 1822 Days

Day: 6.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,208,652 km

• M1: 114,592 km (0.082 R)
• M2: 476,768 km (0.109 R)
• M3: 1,173,147 km (0.09 R)
• M4: 1,543,252 km (0.043 R)
• M5: 1,832,724 km (0.12 R)
• M6: 2,220,930 km (0.12 R)
• M7: 3,261,682 km (0.117 R)
• M8: 3,708,382 km (0.1 R)
• M9: 4,274,161 km (0.069 R)
• M10: 5,161,575 km (0.078 R)
• M11: 5,483,211 km (0.108 R)
• M12: 6,116,309 km (0.081 R)
• M13: 6,503,169 km (0.116 R)
• M14: 7,733,312 km (0.114 R)
• M15: 8,372,245 km (0.055 R)
• M16: 10,537,674 km (0.081 R)
• M17: 11,399,657 km (0.11 R)
• M18: 11,749,417 km (0.074 R)
• M19: 12,717,614 km (0.115 R)
• M20: 13,737,872 km (0.039 R)
• M21: 14,720,281 km (0.097 R)
• M22: 15,088,890 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.7

Radius: 8.8

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.99 AU - 2.11 AU

Year: 2026 Days

Day: 11.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,208,652 km

• M1: 109,506 km (0.091 R)
• M2: 444,006 km (0.039 R)
• M3: 1,038,658 km (0.067 R)
• M4: 1,336,208 km (0.087 R)
• M5: 1,741,319 km (0.098 R)
• M6: 2,167,374 km (0.109 R)
• M7: 2,594,625 km (0.112 R)
• M8: 3,229,968 km (0.109 R)
• M9: 3,702,996 km (0.052 R)
• M10: 3,983,343 km (0.109 R)
• M11: 4,334,897 km (0.108 R)
• M12: 6,314,227 km (0.095 R)
• M13: 6,716,047 km (0.113 R)
• M14: 7,487,972 km (0.112 R)
• M15: 9,144,020 km (0.026 R)
• M16: 9,691,698 km (0.097 R)
• M17: 10,923,786 km (0.04 R)
• M18: 11,393,374 km (0.091 R)
• M19: 12,724,795 km (0.104 R)
• M20: 13,407,709 km (0.075 R)
• M21: 13,862,337 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.4

Radius: 10.1

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.98 AU - 4.28 AU

Year: 4774 Days

Day: 6.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,208,652 km

• M1: 125,662 km (0.084 R)
• M2: 573,109 km (0.119 R)
• M3: 939,026 km (0.105 R)
• M4: 1,600,398 km (0.074 R)
• M5: 2,007,603 km (0.119 R)
• M6: 2,564,407 km (0.086 R)
• M7: 3,298,932 km (0.086 R)
• M8: 3,833,745 km (0.09 R)
• M9: 5,343,935 km (0.069 R)
• M10: 6,446,322 km (0.105 R)
• M11: 7,150,479 km (0.027 R)
• M12: 8,228,481 km (0.111 R)
• M13: 9,213,434 km (0.11 R)
• M14: 15,965,833 km (0.05 R)
• M15: 17,615,448 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.2

Radius: 3.5

Gravity: 25.49 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.24 AU - 5.86 AU

Year: 9025 Days

Day: 19.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,208,652 km

• M1: 43,533 km (0.041 R)
• M2: 152,889 km (0.059 R)
• M3: 839,992 km (0.106 R)
• M4: 1,181,524 km (0.087 R)
• M5: 1,348,625 km (0.037 R)
• M6: 1,635,404 km (0.078 R)
• M7: 2,007,005 km (0.093 R)
• M8: 2,856,123 km (0.084 R)
• M9: 3,220,693 km (0.105 R)
• M10: 3,502,834 km (0.11 R)
• M11: 3,801,132 km (0.112 R)
• M12: 5,108,019 km (0.066 R)
• M13: 5,282,600 km (0.066 R)
• M14: 5,674,696 km (0.088 R)
• M15: 5,989,151 km (0.099 R)
• M16: 6,652,917 km (0.076 R)
• M17: 7,401,055 km (0.06 R)
• M18: 7,852,991 km (0.089 R)
• M19: 8,323,027 km (0.059 R)
• M20: 10,814,131 km (0.106 R)
• M21: 18,396,050 km (0.108 R)
• M22: 19,153,015 km (0.087 R)
• M23: 19,645,342 km (0.106 R)
• M24: 26,142,078 km (0.111 R)
• M25: 27,097,859 km (0.074 R)
• M26: 27,362,498 km (0.074 R)
• M27: 28,620,466 km (0.064 R)
• M28: 30,961,673 km (0.114 R)
• M29: 31,154,355 km (0.052 R)
• M30: 31,541,963 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.3

Radius: 7

Gravity: 13.94 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 8.03 AU - 9.89 AU

Year: 18513 Days

Day: 23.1 Hours

Environment

Temp: -244 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,208,652 km

• M1: 87,365 km (0.075 R)
• M2: 316,100 km (0.062 R)
• M3: 699,370 km (0.115 R)
• M4: 1,325,587 km (0.099 R)
• M5: 1,687,314 km (0.084 R)
• M6: 2,384,440 km (0.046 R)
• M7: 3,480,095 km (0.102 R)
• M8: 4,075,794 km (0.07 R)
• M9: 5,821,152 km (0.084 R)
• M10: 6,880,604 km (0.097 R)
• M11: 7,385,348 km (0.034 R)
• M12: 8,264,235 km (0.101 R)
• M13: 8,994,572 km (0.071 R)
• M14: 10,885,190 km (0.029 R)
• M15: 13,869,667 km (0.069 R)
• M16: 14,378,300 km (0.078 R)
• M17: 16,863,121 km (0.099 R)
• M18: 17,109,808 km (0.108 R)
• M19: 21,392,346 km (0.117 R)
• M20: 22,965,068 km (0.085 R)
• M21: 24,824,719 km (0.113 R)
• M22: 28,374,827 km (0.087 R)
• M23: 29,076,141 km (0.11 R)
• M24: 30,879,992 km (0.12 R)
• M25: 32,756,997 km (0.099 R)
• M26: 38,842,938 km (0.057 R)
• M27: 43,447,410 km (0.119 R)
• M28: 46,765,192 km (0.098 R)
• M29: 47,743,263 km (0.105 R)
• M30: 56,798,422 km (0.092 R)
• M31: 57,167,929 km (0.063 R)
• M32: 57,911,580 km (0.112 R)
• M33: 63,101,279 km (0.118 R)
• M34: 67,552,564 km (0.113 R)
• M35: 70,491,564 km (0.058 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 12,177 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit