🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.9

Radius: 9.4

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.96 AU - 1.16 AU

Year: 753 Days

Day: 8.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 115.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,482,994 km

• M1: 116,836 km (0.09 R)
• M2: 458,966 km (0.057 R)
• M3: 797,506 km (0.059 R)
• M4: 1,509,293 km (0.115 R)
• M5: 3,114,478 km (0.092 R)
• M6: 3,549,359 km (0.109 R)
• M7: 3,908,843 km (0.103 R)
• M8: 5,310,724 km (0.116 R)
• M9: 5,801,256 km (0.117 R)
• M10: 6,321,856 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.9

Radius: 12.7

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.77 AU - 2.49 AU

Year: 2146 Days

Day: 11.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,482,994 km

• M1: 157,975 km (0.086 R)
• M2: 710,440 km (0.107 R)
• M3: 1,133,653 km (0.065 R)
• M4: 2,083,001 km (0.112 R)
• M5: 2,783,418 km (0.083 R)
• M6: 4,296,451 km (0.111 R)
• M7: 5,699,679 km (0.078 R)
• M8: 6,642,445 km (0.096 R)
• M9: 7,047,705 km (0.112 R)
• M10: 7,550,354 km (0.107 R)
• M11: 8,190,783 km (0.111 R)
• M12: 9,708,453 km (0.069 R)
• M13: 10,670,517 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.7

Radius: 14.2

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.07 AU - 3.85 AU

Year: 4442 Days

Day: 5.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,482,994 km

• M1: 176,675 km (0.078 R)
• M2: 619,335 km (0.112 R)
• M3: 1,088,175 km (0.104 R)
• M4: 1,797,718 km (0.077 R)
• M5: 2,249,054 km (0.102 R)
• M6: 6,395,907 km (0.048 R)
• M7: 7,081,814 km (0.114 R)
• M8: 7,816,489 km (0.113 R)
• M9: 10,593,324 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.1

Radius: 14.2

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.99 AU - 4.27 AU

Year: 4774 Days

Day: 13.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,482,994 km

• M1: 176,675 km (0.06 R)
• M2: 811,868 km (0.111 R)
• M3: 1,640,789 km (0.105 R)
• M4: 2,518,630 km (0.095 R)
• M5: 3,065,410 km (0.113 R)
• M6: 3,559,681 km (0.087 R)
• M7: 4,844,129 km (0.106 R)
• M8: 6,161,039 km (0.074 R)
• M9: 6,818,222 km (0.041 R)
• M10: 8,157,273 km (0.118 R)
• M11: 8,627,459 km (0.114 R)
• M12: 9,708,603 km (0.057 R)
• M13: 10,372,368 km (0.073 R)
• M14: 10,924,983 km (0.057 R)
• M15: 11,840,372 km (0.11 R)
• M16: 12,963,403 km (0.102 R)
• M17: 14,952,756 km (0.104 R)
• M18: 18,642,139 km (0.097 R)
• M19: 21,985,501 km (0.047 R)
• M20: 23,209,511 km (0.063 R)
• M21: 25,543,388 km (0.057 R)
• M22: 26,468,351 km (0.088 R)
• M23: 28,118,266 km (0.095 R)
• M24: 29,928,251 km (0.108 R)
• M25: 31,145,678 km (0.072 R)
• M26: 32,688,930 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.4

Radius: 10.4

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.87 AU - 4.15 AU

Year: 5543 Days

Day: 13.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,482,994 km

• M1: 129,552 km (0.116 R)
• M2: 719,416 km (0.075 R)
• M3: 1,342,790 km (0.038 R)
• M4: 1,726,659 km (0.052 R)
• M5: 2,216,292 km (0.078 R)
• M6: 2,972,210 km (0.107 R)
• M7: 3,521,085 km (0.068 R)
• M8: 4,161,514 km (0.119 R)
• M9: 5,862,441 km (0.108 R)
• M10: 6,939,097 km (0.088 R)
• M11: 7,868,100 km (0.055 R)
• M12: 11,007,561 km (0.1 R)
• M13: 12,532,861 km (0.065 R)
• M14: 12,908,202 km (0.088 R)
• M15: 18,634,360 km (0.117 R)
• M16: 22,009,138 km (0.069 R)
• M17: 25,428,048 km (0.071 R)
• M18: 28,443,193 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.2

Radius: 9.6

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.15 AU - 5.23 AU

Year: 7011 Days

Day: 12 Hours

Environment

Temp: -218 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 76,482,994 km

• M1: 119,828 km (0.109 R)
• M2: 484,697 km (0.108 R)
• M3: 838,945 km (0.066 R)
• M4: 1,213,239 km (0.066 R)
• M5: 2,097,063 km (0.11 R)
• M6: 2,449,216 km (0.086 R)
• M7: 2,801,819 km (0.104 R)
• M8: 3,406,044 km (0.093 R)
• M9: 4,119,925 km (0.072 R)
• M10: 4,676,878 km (0.106 R)
• M11: 5,075,407 km (0.106 R)
• M12: 5,621,140 km (0.079 R)
• M13: 6,443,479 km (0.102 R)
• M14: 7,343,909 km (0.106 R)
• M15: 11,438,702 km (0.083 R)
• M16: 11,745,976 km (0.073 R)
• M17: 12,484,541 km (0.073 R)
• M18: 17,110,705 km (0.048 R)
• M19: 17,648,659 km (0.06 R)
• M20: 19,258,183 km (0.064 R)
• M21: 20,210,074 km (0.106 R)
• M22: 20,735,462 km (0.096 R)
• M23: 21,813,464 km (0.059 R)
• M24: 22,286,792 km (0.066 R)
• M25: 23,090,880 km (0.118 R)
• M26: 24,502,037 km (0.108 R)
• M27: 24,842,222 km (0.109 R)
• M28: 29,461,057 km (0.083 R)
• M29: 35,482,969 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957.8

Radius: 5.1

Gravity: 36.82 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.35 AU - 9.61 AU

Year: 17045 Days

Day: 22.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,482,994 km

• M1: 63,429 km (0.027 R)
• M2: 259,852 km (0.045 R)
• M3: 494,421 km (0.103 R)
• M4: 656,585 km (0.101 R)
• M5: 957,277 km (0.1 R)
• M6: 1,869,973 km (0.116 R)
• M7: 2,760,081 km (0.118 R)
• M8: 3,339,922 km (0.055 R)
• M9: 3,903,008 km (0.11 R)
• M10: 5,065,085 km (0.026 R)
• M11: 6,484,768 km (0.048 R)
• M12: 7,357,223 km (0.09 R)
• M13: 7,846,558 km (0.027 R)
• M14: 8,253,464 km (0.088 R)
• M15: 10,746,812 km (0.067 R)
• M16: 11,831,396 km (0.118 R)
• M17: 12,502,343 km (0.12 R)
• M18: 14,667,473 km (0.102 R)
• M19: 15,284,414 km (0.053 R)
• M20: 15,999,043 km (0.1 R)
• M21: 16,652,786 km (0.117 R)
• M22: 23,254,091 km (0.031 R)
• M23: 24,950,232 km (0.078 R)
• M24: 25,167,897 km (0.084 R)
• M25: 25,607,116 km (0.074 R)
• M26: 27,879,658 km (0.096 R)
• M27: 28,468,176 km (0.061 R)
• M28: 32,174,164 km (0.1 R)
• M29: 32,561,473 km (0.043 R)
• M30: 46,007,778 km (0.103 R)
• M31: 46,994,526 km (0.116 R)
• M32: 57,650,980 km (0.094 R)
• M33: 58,605,415 km (0.117 R)
• M34: 61,531,998 km (0.053 R)
• M35: 65,998,392 km (0.099 R)
• M36: 72,430,203 km (0.036 R)
• M37: 75,342,424 km (0.112 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: 363 - 10,375 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit