🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.1

Radius: 14.6

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.52 AU - 0.66 AU

Year: 307 Days

Day: 10.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 72,523,253 km

• M1: 181,612 km (0.108 R)
• M2: 801,097 km (0.108 R)
• M3: 1,433,148 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.3

Radius: 9.7

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.75 AU - 3.35 AU

Year: 3613 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,523,253 km

• M1: 120,576 km (0.054 R)
• M2: 451,486 km (0.102 R)
• M3: 902,524 km (0.039 R)
• M4: 1,251,835 km (0.111 R)
• M5: 2,078,064 km (0.033 R)
• M6: 2,586,398 km (0.108 R)
• M7: 2,940,496 km (0.115 R)
• M8: 3,664,699 km (0.099 R)
• M9: 4,271,019 km (0.11 R)
• M10: 4,917,731 km (0.025 R)
• M11: 5,518,815 km (0.065 R)
• M12: 5,879,795 km (0.119 R)
• M13: 6,962,734 km (0.112 R)
• M14: 8,067,664 km (0.037 R)
• M15: 8,791,867 km (0.106 R)
• M16: 9,677,486 km (0.061 R)
• M17: 10,039,962 km (0.119 R)
• M18: 10,621,598 km (0.101 R)
• M19: 11,007,411 km (0.119 R)
• M20: 11,580,970 km (0.06 R)
• M21: 13,671,450 km (0.044 R)
• M22: 14,128,322 km (0.033 R)
• M23: 15,835,084 km (0.076 R)
• M24: 17,027,379 km (0.093 R)
• M25: 17,735,127 km (0.098 R)
• M26: 19,083,153 km (0.114 R)
• M27: 19,462,384 km (0.069 R)
• M28: 24,488,723 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.8

Radius: 9.9

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.26 AU - 4.52 AU

Year: 5204 Days

Day: 11.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,523,253 km

• M1: 123,119 km (0.07 R)
• M2: 767,437 km (0.062 R)
• M3: 1,880,894 km (0.091 R)
• M4: 3,197,206 km (0.1 R)
• M5: 4,511,722 km (0.112 R)
• M6: 8,887,909 km (0.109 R)
• M7: 9,302,295 km (0.117 R)
• M8: 9,927,913 km (0.05 R)
• M9: 13,387,214 km (0.039 R)
• M10: 13,932,199 km (0.085 R)
• M11: 16,317,388 km (0.046 R)
• M12: 17,991,388 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643

Radius: 10.2

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.69 AU - 5.15 AU

Year: 6303 Days

Day: 8.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,523,253 km

• M1: 129,851 km (0.115 R)
• M2: 492,925 km (0.12 R)
• M3: 1,180,926 km (0.109 R)
• M4: 1,868,029 km (0.087 R)
• M5: 2,513,244 km (0.092 R)
• M6: 3,155,917 km (0.063 R)
• M7: 4,170,789 km (0.097 R)
• M8: 4,686,452 km (0.099 R)
• M9: 5,599,747 km (0.067 R)
• M10: 6,627,485 km (0.069 R)
• M11: 7,852,542 km (0.09 R)
• M12: 8,279,494 km (0.104 R)
• M13: 9,610,317 km (0.108 R)
• M14: 10,935,006 km (0.076 R)
• M15: 11,666,091 km (0.12 R)
• M16: 12,429,489 km (0.097 R)
• M17: 13,719,770 km (0.099 R)
• M18: 14,628,129 km (0.069 R)
• M19: 17,010,026 km (0.092 R)
• M20: 17,726,001 km (0.114 R)
• M21: 20,500,144 km (0.074 R)
• M22: 22,683,974 km (0.099 R)
• M23: 24,359,021 km (0.06 R)
• M24: 28,133,675 km (0.06 R)
• M25: 30,254,075 km (0.04 R)
• M26: 30,728,749 km (0.095 R)
• M27: 31,112,168 km (0.115 R)
• M28: 31,986,269 km (0.085 R)
• M29: 33,885,264 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.4

Radius: 10.2

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.31 AU - 5.81 AU

Year: 7720 Days

Day: 10.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,523,253 km

• M1: 126,859 km (0.031 R)
• M2: 529,576 km (0.084 R)
• M3: 1,245,552 km (0.083 R)
• M4: 1,636,002 km (0.101 R)
• M5: 2,361,851 km (0.104 R)
• M6: 3,154,421 km (0.081 R)
• M7: 3,591,994 km (0.113 R)
• M8: 5,563,694 km (0.111 R)
• M9: 6,054,974 km (0.056 R)
• M10: 6,830,040 km (0.104 R)
• M11: 7,952,623 km (0.102 R)
• M12: 9,115,297 km (0.102 R)
• M13: 9,840,548 km (0.118 R)
• M14: 10,603,647 km (0.079 R)
• M15: 13,588,124 km (0.076 R)
• M16: 18,255,877 km (0.063 R)
• M17: 21,432,887 km (0.052 R)
• M18: 25,349,359 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560.8

Radius: 7.1

Gravity: 11.12 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.27 AU - 7.99 AU

Year: 14295 Days

Day: 16.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,523,253 km

• M1: 88,263 km (0.114 R)
• M2: 316,699 km (0.103 R)
• M3: 556,504 km (0.09 R)
• M4: 997,519 km (0.076 R)
• M5: 1,362,388 km (0.104 R)
• M6: 1,847,235 km (0.109 R)
• M7: 2,360,954 km (0.083 R)
• M8: 5,094,705 km (0.102 R)
• M9: 8,262,440 km (0.069 R)
• M10: 9,084,181 km (0.106 R)
• M11: 10,444,475 km (0.068 R)
• M12: 10,945,478 km (0.047 R)
• M13: 11,173,315 km (0.12 R)
• M14: 14,773,089 km (0.119 R)
• M15: 24,345,258 km (0.106 R)
• M16: 26,126,670 km (0.078 R)
• M17: 27,153,061 km (0.094 R)
• M18: 27,781,521 km (0.114 R)
• M19: 28,099,417 km (0.098 R)
• M20: 28,742,538 km (0.118 R)
• M21: 34,733,035 km (0.113 R)
• M22: 36,477,496 km (0.054 R)
• M23: 39,602,296 km (0.036 R)
• M24: 43,042,449 km (0.098 R)
• M25: 49,727,379 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.4

Radius: 4.6

Gravity: 34 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.05 AU - 9.85 AU

Year: 18160 Days

Day: 21.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,523,253 km

• M1: 59,839 km (0.116 R)
• M2: 438,920 km (0.091 R)
• M3: 893,698 km (0.114 R)
• M4: 1,287,290 km (0.085 R)
• M5: 1,631,066 km (0.027 R)
• M6: 2,365,591 km (0.044 R)
• M7: 2,955,904 km (0.119 R)
• M8: 3,164,145 km (0.063 R)
• M9: 3,848,106 km (0.114 R)
• M10: 6,883,297 km (0.12 R)
• M11: 8,740,256 km (0.101 R)
• M12: 8,899,727 km (0.073 R)
• M13: 9,613,458 km (0.1 R)
• M14: 10,364,589 km (0.026 R)
• M15: 13,406,961 km (0.068 R)
• M16: 14,123,236 km (0.094 R)
• M17: 20,702,101 km (0.046 R)
• M18: 21,367,961 km (0.067 R)
• M19: 25,019,795 km (0.097 R)
• M20: 25,449,440 km (0.066 R)
• M21: 25,666,207 km (0.086 R)
• M22: 26,880,194 km (0.075 R)
• M23: 31,868,086 km (0.104 R)
• M24: 32,755,202 km (0.063 R)
• M25: 33,658,623 km (0.115 R)
• M26: 34,844,486 km (0.11 R)
• M27: 36,194,307 km (0.09 R)
• M28: 37,719,158 km (0.1 R)
• M29: 40,012,643 km (0.114 R)
• M30: 42,094,298 km (0.114 R)
• M31: 43,624,684 km (0.062 R)
• M32: 52,709,015 km (0.117 R)
• M33: 53,770,262 km (0.042 R)
• M34: 54,845,721 km (0.079 R)
• M35: 59,291,022 km (0.105 R)
• M36: 61,017,980 km (0.041 R)
• M37: 63,571,316 km (0.076 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 18,540 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit