🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.6

Radius: 9.8

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.53 AU - 0.63 AU

Year: 305 Days

Day: 12.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,906,660 km

• M1: 121,922 km (0.109 R)
• M2: 621,878 km (0.037 R)
• M3: 984,055 km (0.075 R)
• M4: 1,318,256 km (0.075 R)
• M5: 1,661,883 km (0.107 R)
• M6: 2,088,985 km (0.117 R)
• M7: 2,489,608 km (0.092 R)
• M8: 2,981,336 km (0.096 R)
• M9: 3,780,039 km (0.088 R)
• M10: 4,249,178 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.4

Radius: 13.4

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.61 AU - 0.75 AU

Year: 387 Days

Day: 9.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,906,660 km

• M1: 166,951 km (0.11 R)
• M2: 602,730 km (0.103 R)
• M3: 1,143,975 km (0.097 R)
• M4: 1,676,843 km (0.093 R)
• M5: 2,132,966 km (0.099 R)
• M6: 3,486,977 km (0.108 R)
• M7: 4,043,780 km (0.086 R)
• M8: 4,460,560 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.7

Radius: 10.3

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.81 AU - 1.23 AU

Year: 711 Days

Day: 11.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,906,660 km

• M1: 128,056 km (0.059 R)
• M2: 509,231 km (0.092 R)
• M3: 882,777 km (0.066 R)
• M4: 1,414,448 km (0.04 R)
• M5: 1,815,669 km (0.082 R)
• M6: 2,151,068 km (0.076 R)
• M7: 4,133,389 km (0.117 R)
• M8: 4,789,675 km (0.103 R)
• M9: 5,143,175 km (0.084 R)
• M10: 5,552,026 km (0.026 R)
• M11: 6,435,401 km (0.049 R)
• M12: 8,178,366 km (0.044 R)
• M13: 8,788,875 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.9

Radius: 11.3

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.14 AU - 1.56 AU

Year: 1083 Days

Day: 10.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,906,660 km

• M1: 140,472 km (0.065 R)
• M2: 520,601 km (0.06 R)
• M3: 881,431 km (0.077 R)
• M4: 1,427,313 km (0.107 R)
• M5: 1,990,400 km (0.101 R)
• M6: 2,417,502 km (0.057 R)
• M7: 3,110,589 km (0.108 R)
• M8: 3,898,969 km (0.114 R)
• M9: 5,345,581 km (0.113 R)
• M10: 5,935,894 km (0.059 R)
• M11: 6,452,904 km (0.112 R)
• M12: 6,975,450 km (0.097 R)
• M13: 7,372,931 km (0.082 R)
• M14: 8,024,579 km (0.094 R)
• M15: 8,971,983 km (0.09 R)
• M16: 9,383,078 km (0.114 R)
• M17: 9,776,071 km (0.084 R)
• M18: 10,211,700 km (0.094 R)
• M19: 10,889,379 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.6

Radius: 14.4

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.13 AU - 5.05 AU

Year: 6788 Days

Day: 8.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 172.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,906,660 km

• M1: 179,069 km (0.073 R)
• M2: 896,989 km (0.095 R)
• M3: 1,562,849 km (0.03 R)
• M4: 2,034,082 km (0.051 R)
• M5: 3,172,073 km (0.103 R)
• M6: 6,847,992 km (0.105 R)
• M7: 8,256,905 km (0.12 R)
• M8: 9,199,072 km (0.075 R)
• M9: 12,046,518 km (0.114 R)
• M10: 13,587,975 km (0.12 R)
• M11: 14,205,963 km (0.103 R)
• M12: 15,802,472 km (0.068 R)
• M13: 17,319,544 km (0.049 R)
• M14: 18,519,618 km (0.093 R)
• M15: 19,070,437 km (0.106 R)
• M16: 19,845,803 km (0.081 R)
• M17: 20,422,802 km (0.107 R)
• M18: 21,309,169 km (0.051 R)
• M19: 23,317,820 km (0.118 R)
• M20: 23,798,777 km (0.043 R)
• M21: 29,629,205 km (0.066 R)
• M22: 33,225,537 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.9

Radius: 7.4

Gravity: 15.1 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7.78 AU - 8.78 AU

Year: 16446 Days

Day: 18.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,906,660 km

• M1: 92,003 km (0.085 R)
• M2: 351,405 km (0.117 R)
• M3: 740,360 km (0.108 R)
• M4: 1,297,462 km (0.064 R)
• M5: 1,536,969 km (0.079 R)
• M6: 1,971,401 km (0.067 R)
• M7: 2,810,046 km (0.099 R)
• M8: 3,545,320 km (0.033 R)
• M9: 3,958,210 km (0.082 R)
• M10: 4,844,727 km (0.109 R)
• M11: 5,391,208 km (0.071 R)
• M12: 8,549,818 km (0.11 R)
• M13: 9,848,925 km (0.077 R)
• M14: 10,966,870 km (0.111 R)
• M15: 13,313,313 km (0.114 R)
• M16: 14,382,788 km (0.105 R)
• M17: 16,290,909 km (0.086 R)
• M18: 16,530,714 km (0.068 R)
• M19: 16,935,676 km (0.066 R)
• M20: 20,140,212 km (0.102 R)
• M21: 22,718,980 km (0.098 R)
• M22: 24,660,311 km (0.113 R)
• M23: 28,521,283 km (0.085 R)
• M24: 35,506,606 km (0.119 R)
• M25: 38,113,648 km (0.084 R)
• M26: 46,055,350 km (0.104 R)
• M27: 53,080,915 km (0.108 R)
• M28: 55,572,767 km (0.074 R)
• M29: 57,215,202 km (0.087 R)
• M30: 61,946,833 km (0.115 R)
• M31: 62,531,611 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.3

Radius: 5.6

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.25 AU - 8.77 AU

Year: 17136 Days

Day: 23.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,906,660 km

• M1: 69,713 km (0.081 R)
• M2: 269,127 km (0.104 R)
• M3: 457,769 km (0.086 R)
• M4: 680,521 km (0.092 R)
• M5: 975,677 km (0.107 R)
• M6: 1,313,918 km (0.101 R)
• M7: 1,575,714 km (0.056 R)
• M8: 3,493,858 km (0.036 R)
• M9: 4,082,825 km (0.094 R)
• M10: 4,490,629 km (0.047 R)
• M11: 5,152,749 km (0.036 R)
• M12: 5,664,075 km (0.111 R)
• M13: 8,096,536 km (0.115 R)
• M14: 10,179,088 km (0.026 R)
• M15: 10,548,894 km (0.118 R)
• M16: 11,885,252 km (0.094 R)
• M17: 12,118,475 km (0.061 R)
• M18: 15,642,552 km (0.048 R)
• M19: 16,206,237 km (0.117 R)
• M20: 16,421,059 km (0.12 R)
• M21: 20,788,719 km (0.113 R)
• M22: 21,212,679 km (0.034 R)
• M23: 22,519,267 km (0.104 R)
• M24: 23,146,979 km (0.058 R)
• M25: 25,387,806 km (0.027 R)
• M26: 27,059,861 km (0.113 R)
• M27: 27,769,105 km (0.119 R)
• M28: 28,594,885 km (0.059 R)
• M29: 31,280,915 km (0.117 R)
• M30: 32,856,180 km (0.11 R)
• M31: 35,678,494 km (0.057 R)
• M32: 43,294,671 km (0.109 R)
• M33: 47,114,952 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123

Radius: 3.2

Gravity: 12.01 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.95 AU - 10.59 AU

Year: 17927 Days

Day: 18.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,906,660 km

• M1: 75,098 km (0.11 R)
• M2: 242,648 km (0.091 R)
• M3: 363,523 km (0.112 R)
• M4: 2,478,238 km (0.097 R)
• M5: 3,795,148 km (0.108 R)
• M6: 4,787,730 km (0.111 R)
• M7: 6,636,461 km (0.077 R)
• M8: 7,268,512 km (0.104 R)
• M9: 9,358,544 km (0.095 R)
• M10: 30,380,485 km (0.086 R)
• M11: 34,872,311 km (0.1 R)
• M12: 36,200,590 km (0.076 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: 394 - 13,820 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit