🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.9

Radius: 11.2

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.77 AU - 0.99 AU

Year: 560 Days

Day: 12.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,490,004 km

• M1: 139,276 km (0.08 R)
• M2: 504,743 km (0.047 R)
• M3: 878,738 km (0.112 R)
• M4: 1,313,469 km (0.093 R)
• M5: 2,328,940 km (0.08 R)
• M6: 2,978,194 km (0.058 R)
• M7: 3,610,395 km (0.112 R)
• M8: 4,181,410 km (0.096 R)
• M9: 4,580,836 km (0.116 R)
• M10: 5,235,626 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.2

Radius: 12

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.07 AU - 1.69 AU

Year: 1100 Days

Day: 13.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,490,004 km

• M1: 151,243 km (0.117 R)
• M2: 540,497 km (0.083 R)
• M3: 916,287 km (0.085 R)
• M4: 1,436,738 km (0.067 R)
• M5: 1,899,743 km (0.105 R)
• M6: 2,343,750 km (0.11 R)
• M7: 3,264,525 km (0.108 R)
• M8: 3,695,067 km (0.094 R)
• M9: 4,862,978 km (0.089 R)
• M10: 6,472,651 km (0.117 R)
• M11: 7,969,527 km (0.025 R)
• M12: 8,554,305 km (0.086 R)
• M13: 10,913,913 km (0.081 R)
• M14: 11,357,171 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.7

Radius: 15

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.32 AU - 1.62 AU

Year: 1209 Days

Day: 13.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,490,004 km

• M1: 186,997 km (0.119 R)
• M2: 750,682 km (0.058 R)
• M3: 1,223,561 km (0.04 R)
• M4: 3,430,878 km (0.109 R)
• M5: 3,988,279 km (0.066 R)
• M6: 4,699,318 km (0.04 R)
• M7: 6,446,920 km (0.117 R)
• M8: 7,175,163 km (0.03 R)
• M9: 8,258,700 km (0.047 R)
• M10: 11,392,925 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.8

Radius: 14.7

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.15 AU - 3.13 AU

Year: 2909 Days

Day: 10.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,490,004 km

• M1: 193,430 km (0.11 R)
• M2: 674,387 km (0.068 R)
• M3: 1,193,492 km (0.082 R)
• M4: 2,000,572 km (0.11 R)
• M5: 2,870,185 km (0.099 R)
• M6: 3,402,005 km (0.06 R)
• M7: 3,867,255 km (0.097 R)
• M8: 4,477,913 km (0.085 R)
• M9: 4,972,184 km (0.115 R)
• M10: 5,647,619 km (0.104 R)
• M11: 6,331,131 km (0.107 R)
• M12: 7,444,738 km (0.101 R)
• M13: 7,925,396 km (0.076 R)
• M14: 8,458,862 km (0.088 R)
• M15: 9,083,433 km (0.049 R)
• M16: 10,686,225 km (0.119 R)
• M17: 12,346,013 km (0.068 R)
• M18: 13,150,999 km (0.119 R)
• M19: 14,632,168 km (0.096 R)
• M20: 15,293,091 km (0.067 R)
• M21: 17,924,368 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.2

Radius: 12.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.78 AU - 4.42 AU

Year: 5631 Days

Day: 10.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,490,004 km

• M1: 150,495 km (0.074 R)
• M2: 1,022,053 km (0.066 R)
• M3: 1,544,448 km (0.114 R)
• M4: 2,255,936 km (0.102 R)
• M5: 4,288,821 km (0.105 R)
• M6: 4,900,976 km (0.11 R)
• M7: 6,246,459 km (0.056 R)
• M8: 12,472,872 km (0.109 R)
• M9: 14,000,266 km (0.118 R)
• M10: 15,952,818 km (0.105 R)
• M11: 16,624,811 km (0.086 R)
• M12: 17,100,981 km (0.108 R)
• M13: 17,804,989 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.4

Radius: 9.2

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.42 AU - 5.84 AU

Year: 9061 Days

Day: 8.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,490,004 km

• M1: 114,891 km (0.089 R)
• M2: 445,054 km (0.08 R)
• M3: 754,422 km (0.119 R)
• M4: 1,929,962 km (0.093 R)
• M5: 2,247,708 km (0.115 R)
• M6: 3,143,500 km (0.12 R)
• M7: 3,538,139 km (0.078 R)
• M8: 4,018,199 km (0.079 R)
• M9: 6,754,493 km (0.12 R)
• M10: 8,158,619 km (0.106 R)
• M11: 9,509,338 km (0.058 R)
• M12: 10,287,846 km (0.104 R)
• M13: 10,795,581 km (0.103 R)
• M14: 11,160,749 km (0.12 R)
• M15: 12,138,072 km (0.11 R)
• M16: 13,230,585 km (0.071 R)
• M17: 15,543,967 km (0.1 R)
• M18: 16,830,957 km (0.11 R)
• M19: 17,181,166 km (0.03 R)
• M20: 17,751,583 km (0.088 R)
• M21: 19,309,196 km (0.103 R)
• M22: 24,886,204 km (0.12 R)
• M23: 25,432,536 km (0.114 R)
• M24: 26,361,090 km (0.12 R)
• M25: 26,928,814 km (0.112 R)
• M26: 29,687,099 km (0.103 R)
• M27: 36,337,622 km (0.093 R)
• M28: 37,753,267 km (0.112 R)
• M29: 38,112,900 km (0.116 R)
• M30: 39,821,457 km (0.098 R)
• M31: 42,998,168 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588

Radius: 3.3

Gravity: 53.99 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 8.24 AU - 11.16 AU

Year: 20490 Days

Day: 18.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,490,004 km

• M1: 43,383 km (0.087 R)
• M2: 210,035 km (0.116 R)
• M3: 469,438 km (0.081 R)
• M4: 844,630 km (0.059 R)
• M5: 970,142 km (0.063 R)
• M6: 2,044,105 km (0.064 R)
• M7: 2,229,158 km (0.111 R)
• M8: 3,612,639 km (0.113 R)
• M9: 3,822,076 km (0.116 R)
• M10: 5,560,852 km (0.051 R)
• M11: 5,799,610 km (0.069 R)
• M12: 8,368,654 km (0.078 R)
• M13: 9,003,548 km (0.116 R)
• M14: 11,351,486 km (0.102 R)
• M15: 15,590,791 km (0.086 R)
• M16: 17,630,857 km (0.114 R)
• M17: 18,670,413 km (0.115 R)
• M18: 25,777,807 km (0.068 R)
• M19: 26,888,572 km (0.054 R)
• M20: 30,780,061 km (0.112 R)
• M21: 32,283,370 km (0.096 R)
• M22: 32,923,948 km (0.075 R)
• M23: 34,495,773 km (0.037 R)
• M24: 38,071,611 km (0.029 R)
• M25: 38,642,776 km (0.041 R)
• M26: 38,930,452 km (0.105 R)
• M27: 39,948,615 km (0.108 R)
• M28: 40,242,874 km (0.07 R)
• M29: 44,042,660 km (0.062 R)
• M30: 44,672,019 km (0.08 R)
• M31: 52,521,568 km (0.029 R)
• M32: 54,844,375 km (0.106 R)
• M33: 69,807,453 km (0.109 R)
• M34: 70,234,106 km (0.091 R)
• M35: 71,308,518 km (0.073 R)
• M36: 71,958,371 km (0.06 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: 194 - 18,955 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit