🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.5

Radius: 11.8

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.76 AU - 0.94 AU

Year: 506 Days

Day: 12.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,193,316 km

• M1: 146,756 km (0.057 R)
• M2: 597,643 km (0.054 R)
• M3: 1,160,431 km (0.109 R)
• M4: 1,878,351 km (0.091 R)
• M5: 2,354,072 km (0.102 R)
• M6: 2,741,381 km (0.109 R)
• M7: 3,114,029 km (0.103 R)
• M8: 3,625,504 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.6

Radius: 14.7

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.78 AU - 1.28 AU

Year: 675 Days

Day: 11.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,193,316 km

• M1: 184,903 km (0.079 R)
• M2: 651,798 km (0.078 R)
• M3: 1,352,066 km (0.094 R)
• M4: 2,026,303 km (0.08 R)
• M5: 2,652,669 km (0.095 R)
• M6: 3,267,517 km (0.103 R)
• M7: 4,500,353 km (0.069 R)
• M8: 5,002,553 km (0.117 R)
• M9: 5,614,408 km (0.114 R)
• M10: 6,989,512 km (0.085 R)
• M11: 7,711,321 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.4

Radius: 13.8

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.52 AU - 4.24 AU

Year: 4935 Days

Day: 13.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,193,316 km

• M1: 184,005 km (0.117 R)
• M2: 676,182 km (0.1 R)
• M3: 1,341,594 km (0.071 R)
• M4: 1,905,428 km (0.05 R)
• M5: 2,352,726 km (0.037 R)
• M6: 3,742,340 km (0.119 R)
• M7: 4,880,182 km (0.098 R)
• M8: 5,623,683 km (0.104 R)
• M9: 6,833,481 km (0.083 R)
• M10: 9,150,603 km (0.037 R)
• M11: 10,283,058 km (0.062 R)
• M12: 10,778,227 km (0.116 R)
• M13: 13,595,604 km (0.11 R)
• M14: 14,344,940 km (0.113 R)
• M15: 15,708,973 km (0.065 R)
• M16: 19,308,448 km (0.083 R)
• M17: 19,873,030 km (0.118 R)
• M18: 20,319,879 km (0.032 R)
• M19: 21,633,498 km (0.103 R)
• M20: 22,242,810 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.6

Radius: 13.3

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.62 AU - 5.94 AU

Year: 6748 Days

Day: 11.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,193,316 km

• M1: 273,315 km (0.053 R)
• M2: 1,092,214 km (0.078 R)
• M3: 1,659,489 km (0.082 R)
• M4: 2,333,577 km (0.096 R)
• M5: 4,756,763 km (0.038 R)
• M6: 5,555,018 km (0.08 R)
• M7: 6,382,892 km (0.054 R)
• M8: 9,516,669 km (0.035 R)
• M9: 10,784,810 km (0.115 R)
• M10: 11,719,946 km (0.104 R)
• M11: 13,947,757 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.1

Radius: 8.5

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.61 AU - 4.95 AU

Year: 6748 Days

Day: 10.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,193,316 km

• M1: 105,915 km (0.119 R)
• M2: 427,551 km (0.075 R)
• M3: 1,118,842 km (0.109 R)
• M4: 1,406,818 km (0.062 R)
• M5: 1,888,823 km (0.09 R)
• M6: 2,586,547 km (0.09 R)
• M7: 2,854,178 km (0.072 R)
• M8: 3,204,087 km (0.062 R)
• M9: 3,513,755 km (0.032 R)
• M10: 4,730,733 km (0.12 R)
• M11: 5,435,190 km (0.118 R)
• M12: 6,343,249 km (0.057 R)
• M13: 8,879,232 km (0.116 R)
• M14: 10,182,080 km (0.056 R)
• M15: 12,235,161 km (0.054 R)
• M16: 12,611,400 km (0.11 R)
• M17: 13,728,896 km (0.051 R)
• M18: 16,678,517 km (0.104 R)
• M19: 17,074,652 km (0.107 R)
• M20: 17,954,587 km (0.055 R)
• M21: 19,366,791 km (0.068 R)
• M22: 19,731,062 km (0.089 R)
• M23: 22,331,073 km (0.08 R)
• M24: 25,323,928 km (0.083 R)
• M25: 29,236,809 km (0.104 R)
• M26: 30,593,064 km (0.09 R)
• M27: 32,092,184 km (0.09 R)
• M28: 33,639,624 km (0.087 R)
• M29: 36,438,750 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.9

Radius: 6.1

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.02 AU - 7.9 AU

Year: 13156 Days

Day: 20.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,193,316 km

• M1: 75,846 km (0.092 R)
• M2: 289,173 km (0.059 R)
• M3: 1,104,780 km (0.099 R)
• M4: 1,653,356 km (0.084 R)
• M5: 6,002,166 km (0.072 R)
• M6: 7,773,405 km (0.096 R)
• M7: 10,840,011 km (0.047 R)
• M8: 11,983,238 km (0.108 R)
• M9: 13,033,266 km (0.089 R)
• M10: 16,218,803 km (0.054 R)
• M11: 17,021,395 km (0.091 R)
• M12: 22,075,709 km (0.107 R)
• M13: 24,160,355 km (0.117 R)
• M14: 29,396,879 km (0.093 R)
• M15: 36,801,974 km (0.037 R)
• M16: 38,418,678 km (0.108 R)
• M17: 40,082,057 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.2

Radius: 5.9

Gravity: 18.36 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 8.04 AU - 10.7 AU

Year: 18519 Days

Day: 19.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,193,316 km

• M1: 73,752 km (0.076 R)
• M2: 302,188 km (0.101 R)
• M3: 491,728 km (0.054 R)
• M4: 755,320 km (0.116 R)
• M5: 2,321,161 km (0.084 R)
• M6: 3,647,645 km (0.052 R)
• M7: 3,945,345 km (0.072 R)
• M8: 4,195,023 km (0.045 R)
• M9: 4,691,838 km (0.027 R)
• M10: 5,452,094 km (0.04 R)
• M11: 6,503,468 km (0.03 R)
• M12: 7,122,504 km (0.099 R)
• M13: 7,877,076 km (0.118 R)
• M14: 9,215,229 km (0.07 R)
• M15: 10,638,204 km (0.101 R)
• M16: 11,433,316 km (0.117 R)
• M17: 12,399,270 km (0.094 R)
• M18: 13,141,275 km (0.12 R)
• M19: 13,912,452 km (0.096 R)
• M20: 19,541,521 km (0.114 R)
• M21: 19,902,501 km (0.103 R)
• M22: 21,871,508 km (0.101 R)
• M23: 22,853,319 km (0.101 R)
• M24: 29,723,451 km (0.11 R)
• M25: 31,294,229 km (0.101 R)
• M26: 33,430,786 km (0.107 R)
• M27: 44,487,714 km (0.038 R)
• M28: 45,743,139 km (0.107 R)
• M29: 49,150,829 km (0.12 R)
• M30: 53,248,016 km (0.056 R)
• M31: 53,775,647 km (0.064 R)
• M32: 58,495,460 km (0.117 R)
• M33: 62,894,535 km (0.107 R)
• M34: 65,475,846 km (0.102 R)
• M35: 68,333,914 km (0.108 R)
• M36: 68,541,107 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.2

Radius: 5.1

Gravity: 17.04 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 9.27 AU - 11.77 AU

Year: 22031 Days

Day: 18.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,193,316 km

• M1: 63,579 km (0.112 R)
• M2: 232,176 km (0.086 R)
• M3: 591,510 km (0.07 R)
• M4: 1,310,328 km (0.118 R)
• M5: 1,602,941 km (0.116 R)
• M6: 1,900,641 km (0.039 R)
• M7: 2,723,728 km (0.107 R)
• M8: 3,417,863 km (0.1 R)
• M9: 4,096,738 km (0.054 R)
• M10: 4,385,462 km (0.109 R)
• M11: 7,069,247 km (0.092 R)
• M12: 7,344,507 km (0.087 R)
• M13: 7,722,691 km (0.037 R)
• M14: 8,314,201 km (0.1 R)
• M15: 8,882,374 km (0.109 R)
• M16: 9,981,320 km (0.096 R)
• M17: 14,835,920 km (0.087 R)
• M18: 16,696,618 km (0.119 R)
• M19: 17,184,906 km (0.114 R)
• M20: 17,682,768 km (0.096 R)
• M21: 22,505,952 km (0.106 R)
• M22: 25,697,773 km (0.051 R)
• M23: 33,088,356 km (0.093 R)
• M24: 39,299,361 km (0.083 R)
• M25: 40,891,830 km (0.089 R)
• M26: 41,778,347 km (0.088 R)
• M27: 45,452,471 km (0.086 R)
• M28: 51,017,960 km (0.119 R)
• M29: 60,571,579 km (0.041 R)
• M30: 62,888,701 km (0.07 R)
• M31: 67,904,418 km (0.102 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: 302 - 19,079 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit