🌌 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: 466.8

Radius: 10.7

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.49 AU - 0.67 AU

Year: 305 Days

Day: 9.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,917,551 km

• M1: 134,937 km (0.05 R)
• M2: 515,813 km (0.068 R)
• M3: 959,521 km (0.087 R)
• M4: 1,441,675 km (0.063 R)
• M5: 1,780,215 km (0.11 R)
• M6: 2,394,464 km (0.115 R)
• M7: 2,820,069 km (0.099 R)
• M8: 3,194,812 km (0.073 R)
• M9: 3,701,799 km (0.073 R)
• M10: 4,116,634 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.6

Radius: 9.8

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.6 AU - 0.6 AU

Year: 321 Days

Day: 6.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,917,551 km

• M1: 121,922 km (0.093 R)
• M2: 511,475 km (0.109 R)
• M3: 821,143 km (0.12 R)
• M4: 1,168,060 km (0.064 R)
• M5: 1,481,169 km (0.111 R)
• M6: 1,791,734 km (0.08 R)
• M7: 2,205,521 km (0.037 R)
• M8: 2,538,077 km (0.085 R)
• M9: 2,863,154 km (0.103 R)
• M10: 3,658,715 km (0.1 R)
• M11: 4,181,410 km (0.086 R)
• M12: 5,111,610 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.6

Radius: 8.3

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.09 AU - 1.37 AU

Year: 942 Days

Day: 14.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,917,551 km

• M1: 103,223 km (0.101 R)
• M2: 362,027 km (0.083 R)
• M3: 635,043 km (0.11 R)
• M4: 1,225,356 km (0.1 R)
• M5: 1,612,964 km (0.046 R)
• M6: 1,941,332 km (0.098 R)
• M7: 2,227,213 km (0.036 R)
• M8: 2,576,823 km (0.109 R)
• M9: 3,218,149 km (0.079 R)
• M10: 3,636,575 km (0.112 R)
• M11: 4,306,474 km (0.102 R)
• M12: 4,778,904 km (0.108 R)
• M13: 5,501,910 km (0.116 R)
• M14: 5,931,705 km (0.109 R)
• M15: 7,045,461 km (0.052 R)
• M16: 8,032,209 km (0.119 R)
• M17: 8,913,490 km (0.068 R)
• M18: 9,306,334 km (0.06 R)
• M19: 10,036,372 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.4

Radius: 11.1

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.44 AU - 3.68 AU

Year: 4636 Days

Day: 13.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 153.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,917,551 km

• M1: 304,581 km (0.11 R)
• M2: 918,980 km (0.085 R)
• M3: 1,311,674 km (0.032 R)
• M4: 1,848,431 km (0.036 R)
• M5: 2,414,659 km (0.063 R)
• M6: 5,014,820 km (0.079 R)
• M7: 6,192,305 km (0.04 R)
• M8: 9,148,658 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.5

Radius: 13.1

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.61 AU - 4.15 AU

Year: 5275 Days

Day: 12.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,917,551 km

• M1: 163,062 km (0.114 R)
• M2: 1,069,176 km (0.11 R)
• M3: 2,269,549 km (0.113 R)
• M4: 4,253,217 km (0.115 R)
• M5: 6,795,932 km (0.091 R)
• M6: 7,735,556 km (0.116 R)
• M7: 9,080,292 km (0.114 R)
• M8: 10,132,413 km (0.032 R)
• M9: 10,756,386 km (0.09 R)
• M10: 11,311,245 km (0.092 R)
• M11: 13,564,937 km (0.08 R)
• M12: 15,513,748 km (0.086 R)
• M13: 17,706,554 km (0.088 R)
• M14: 19,144,189 km (0.087 R)
• M15: 20,237,750 km (0.089 R)
• M16: 20,942,056 km (0.105 R)
• M17: 24,552,751 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.1

Radius: 11.3

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.98 AU - 5.54 AU

Year: 7168 Days

Day: 14.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,917,551 km

• M1: 140,622 km (0.116 R)
• M2: 696,827 km (0.119 R)
• M3: 1,324,540 km (0.089 R)
• M4: 1,888,823 km (0.12 R)
• M5: 2,270,148 km (0.115 R)
• M6: 3,064,213 km (0.09 R)
• M7: 3,666,644 km (0.065 R)
• M8: 5,475,132 km (0.12 R)
• M9: 6,192,753 km (0.114 R)
• M10: 6,753,297 km (0.08 R)
• M11: 8,597,539 km (0.087 R)
• M12: 11,829,003 km (0.115 R)
• M13: 14,067,585 km (0.104 R)
• M14: 14,729,706 km (0.091 R)
• M15: 17,313,859 km (0.098 R)
• M16: 17,864,828 km (0.115 R)
• M17: 19,811,246 km (0.044 R)
• M18: 23,113,918 km (0.086 R)
• M19: 23,530,099 km (0.062 R)
• M20: 26,043,344 km (0.067 R)
• M21: 28,065,757 km (0.064 R)
• M22: 33,682,260 km (0.103 R)
• M23: 35,968,564 km (0.069 R)
• M24: 37,092,792 km (0.092 R)
• M25: 37,778,399 km (0.108 R)
• M26: 38,240,208 km (0.077 R)
• M27: 39,175,194 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805

Radius: 4.4

Gravity: 41.58 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.98 AU - 6.64 AU

Year: 10941 Days

Day: 21.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,917,551 km

• M1: 68,815 km (0.106 R)
• M2: 258,356 km (0.068 R)
• M3: 477,516 km (0.065 R)
• M4: 2,089,882 km (0.109 R)
• M5: 2,861,508 km (0.089 R)
• M6: 5,519,114 km (0.095 R)
• M7: 6,801,766 km (0.103 R)
• M8: 10,043,253 km (0.076 R)
• M9: 10,741,127 km (0.115 R)
• M10: 13,028,329 km (0.116 R)
• M11: 14,857,313 km (0.117 R)
• M12: 20,164,297 km (0.078 R)
• M13: 23,514,392 km (0.09 R)
• M14: 25,810,869 km (0.111 R)
• M15: 27,013,336 km (0.099 R)
• M16: 28,252,605 km (0.105 R)
• M17: 29,421,413 km (0.088 R)
• M18: 31,855,221 km (0.112 R)
• M19: 38,390,853 km (0.08 R)
• M20: 40,486,270 km (0.031 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949.6

Radius: 5.4

Gravity: 32.57 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.85 AU - 7.03 AU

Year: 11281 Days

Day: 16.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 57,917,551 km

• M1: 67,319 km (0.078 R)
• M2: 351,405 km (0.051 R)
• M3: 602,879 km (0.084 R)
• M4: 827,575 km (0.103 R)
• M5: 1,741,020 km (0.039 R)
• M6: 2,071,482 km (0.116 R)
• M7: 2,834,281 km (0.095 R)
• M8: 3,686,840 km (0.088 R)
• M9: 4,571,113 km (0.097 R)
• M10: 5,062,542 km (0.11 R)
• M11: 5,233,981 km (0.045 R)
• M12: 5,516,421 km (0.107 R)
• M13: 6,998,936 km (0.103 R)
• M14: 7,255,198 km (0.093 R)
• M15: 8,486,238 km (0.047 R)
• M16: 9,329,222 km (0.033 R)
• M17: 9,587,428 km (0.098 R)
• M18: 10,064,197 km (0.088 R)
• M19: 11,065,007 km (0.107 R)
• M20: 12,069,706 km (0.093 R)
• M21: 12,562,780 km (0.045 R)
• M22: 13,392,749 km (0.079 R)
• M23: 14,949,764 km (0.09 R)
• M24: 17,003,144 km (0.066 R)
• M25: 18,097,154 km (0.075 R)
• M26: 19,320,565 km (0.104 R)
• M27: 20,166,092 km (0.079 R)
• M28: 28,158,658 km (0.119 R)
• M29: 30,470,842 km (0.073 R)
• M30: 31,039,464 km (0.118 R)
• M31: 32,669,333 km (0.099 R)
• M32: 32,906,744 km (0.112 R)
• M33: 35,095,361 km (0.107 R)
• M34: 38,689,749 km (0.038 R)
• M35: 39,222,467 km (0.094 R)
• M36: 44,384,043 km (0.118 R)
• M37: 51,089,767 km (0.109 R)
• M38: 52,053,327 km (0.1 R)
• M39: 53,192,964 km (0.105 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 14,000 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit