🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.6

Radius: 11.6

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.51 AU - 0.77 AU

Year: 347 Days

Day: 11.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,975,213 km

• M1: 144,512 km (0.087 R)
• M2: 535,710 km (0.105 R)
• M3: 1,110,016 km (0.113 R)
• M4: 1,527,993 km (0.118 R)
• M5: 1,899,295 km (0.102 R)
• M6: 3,062,867 km (0.116 R)
• M7: 4,260,398 km (0.103 R)
• M8: 5,009,733 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.6

Radius: 9.4

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.54 AU - 0.76 AU

Year: 355 Days

Day: 11.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,975,213 km

• M1: 117,434 km (0.095 R)
• M2: 418,724 km (0.095 R)
• M3: 750,981 km (0.066 R)
• M4: 1,081,293 km (0.117 R)
• M5: 1,461,122 km (0.111 R)
• M6: 1,929,513 km (0.103 R)
• M7: 2,549,297 km (0.117 R)
• M8: 2,876,617 km (0.083 R)
• M9: 3,686,092 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.7

Radius: 11.5

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.95 AU - 1.35 AU

Year: 836 Days

Day: 14.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,975,213 km

• M1: 143,016 km (0.093 R)
• M2: 502,350 km (0.104 R)
• M3: 1,037,611 km (0.101 R)
• M4: 1,616,106 km (0.043 R)
• M5: 2,075,371 km (0.087 R)
• M6: 2,504,867 km (0.116 R)
• M7: 2,923,292 km (0.111 R)
• M8: 3,311,947 km (0.093 R)
• M9: 4,090,754 km (0.086 R)
• M10: 4,821,390 km (0.098 R)
• M11: 5,729,000 km (0.063 R)
• M12: 6,522,318 km (0.035 R)
• M13: 7,062,216 km (0.114 R)
• M14: 7,631,885 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136

Radius: 8.3

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.4 AU - 1.68 AU

Year: 1296 Days

Day: 10.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,975,213 km

• M1: 103,223 km (0.077 R)
• M2: 393,143 km (0.096 R)
• M3: 845,527 km (0.032 R)
• M4: 1,431,203 km (0.081 R)
• M5: 1,859,801 km (0.116 R)
• M6: 2,928,977 km (0.054 R)
• M7: 3,543,974 km (0.085 R)
• M8: 4,038,095 km (0.036 R)
• M9: 5,249,090 km (0.115 R)
• M10: 5,817,712 km (0.114 R)
• M11: 6,193,501 km (0.063 R)
• M12: 6,505,712 km (0.025 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.5

Radius: 12.9

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.6 AU - 3.1 AU

Year: 3263 Days

Day: 11.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,975,213 km

• M1: 160,369 km (0.071 R)
• M2: 660,774 km (0.073 R)
• M3: 1,326,933 km (0.11 R)
• M4: 1,956,291 km (0.043 R)
• M5: 2,507,410 km (0.117 R)
• M6: 4,053,953 km (0.114 R)
• M7: 4,884,071 km (0.073 R)
• M8: 5,287,986 km (0.093 R)
• M9: 5,852,269 km (0.09 R)
• M10: 6,576,173 km (0.096 R)
• M11: 7,294,243 km (0.11 R)
• M12: 7,824,118 km (0.114 R)
• M13: 8,776,608 km (0.052 R)
• M14: 9,884,231 km (0.071 R)
• M15: 11,386,343 km (0.077 R)
• M16: 12,376,232 km (0.109 R)
• M17: 13,867,573 km (0.113 R)
• M18: 14,475,988 km (0.075 R)
• M19: 15,746,223 km (0.119 R)
• M20: 16,520,691 km (0.079 R)
• M21: 18,265,900 km (0.073 R)
• M22: 20,388,993 km (0.094 R)
• M23: 21,242,748 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.4

Radius: 14.4

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.29 AU - 3.87 AU

Year: 4594 Days

Day: 10 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,975,213 km

• M1: 179,218 km (0.034 R)
• M2: 749,485 km (0.091 R)
• M3: 1,436,738 km (0.113 R)
• M4: 3,226,377 km (0.062 R)
• M5: 3,979,752 km (0.081 R)
• M6: 4,954,981 km (0.118 R)
• M7: 7,099,017 km (0.069 R)
• M8: 7,557,086 km (0.117 R)
• M9: 8,849,612 km (0.102 R)
• M10: 12,366,658 km (0.092 R)
• M11: 14,379,497 km (0.106 R)
• M12: 19,521,176 km (0.105 R)
• M13: 22,016,319 km (0.099 R)
• M14: 22,464,514 km (0.11 R)
• M15: 23,071,582 km (0.058 R)
• M16: 23,845,751 km (0.045 R)
• M17: 25,774,666 km (0.062 R)
• M18: 26,272,677 km (0.112 R)
• M19: 28,154,170 km (0.103 R)
• M20: 30,584,088 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390.8

Radius: 4.3

Gravity: 21.14 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.46 AU - 7.72 AU

Year: 11474 Days

Day: 20.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,975,213 km

• M1: 60,288 km (0.054 R)
• M2: 235,018 km (0.054 R)
• M3: 596,896 km (0.099 R)
• M4: 766,539 km (0.094 R)
• M5: 1,492,837 km (0.108 R)
• M6: 2,033,484 km (0.119 R)
• M7: 2,187,121 km (0.108 R)
• M8: 2,441,437 km (0.086 R)
• M9: 3,277,689 km (0.028 R)
• M10: 3,685,194 km (0.082 R)
• M11: 4,717,419 km (0.104 R)
• M12: 5,428,159 km (0.078 R)
• M13: 6,102,097 km (0.066 R)
• M14: 6,680,143 km (0.109 R)
• M15: 7,293,794 km (0.037 R)
• M16: 9,931,204 km (0.116 R)
• M17: 10,729,010 km (0.046 R)
• M18: 10,986,916 km (0.096 R)
• M19: 12,736,015 km (0.106 R)
• M20: 13,083,531 km (0.118 R)
• M21: 15,172,814 km (0.096 R)
• M22: 19,536,285 km (0.116 R)
• M23: 19,998,393 km (0.111 R)
• M24: 21,837,100 km (0.086 R)
• M25: 25,662,916 km (0.106 R)
• M26: 28,121,258 km (0.049 R)
• M27: 38,796,413 km (0.092 R)
• M28: 41,642,213 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.9

Radius: 5.6

Gravity: 21.11 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.72 AU - 10.56 AU

Year: 20301 Days

Day: 22 Hours

Environment

Temp: -243 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,975,213 km

• M1: 93,499 km (0.071 R)
• M2: 320,738 km (0.115 R)
• M3: 676,930 km (0.077 R)
• M4: 1,017,415 km (0.109 R)
• M5: 1,373,159 km (0.113 R)
• M6: 2,419,596 km (0.051 R)
• M7: 2,675,408 km (0.12 R)
• M8: 3,791,109 km (0.055 R)
• M9: 4,783,242 km (0.099 R)
• M10: 5,037,708 km (0.105 R)
• M11: 6,713,504 km (0.086 R)
• M12: 9,275,966 km (0.117 R)
• M13: 10,257,477 km (0.104 R)
• M14: 10,619,953 km (0.102 R)
• M15: 11,116,319 km (0.081 R)
• M16: 18,423,875 km (0.063 R)
• M17: 18,869,378 km (0.117 R)
• M18: 20,061,224 km (0.102 R)
• M19: 24,254,004 km (0.112 R)
• M20: 25,005,284 km (0.112 R)
• M21: 25,882,676 km (0.067 R)
• M22: 27,008,100 km (0.071 R)
• M23: 29,477,064 km (0.08 R)
• M24: 32,220,539 km (0.062 R)
• M25: 35,402,486 km (0.055 R)
• M26: 36,928,384 km (0.054 R)
• M27: 40,259,779 km (0.095 R)
• M28: 59,756,570 km (0.118 R)
• M29: 64,127,072 km (0.091 R)
• M30: 68,068,976 km (0.105 R)
• M31: 73,275,281 km (0.095 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 18,065 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit