🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.4

Radius: 13.2

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.99 AU - 1.43 AU

Year: 859 Days

Day: 11.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,687,520 km

• M1: 164,558 km (0.064 R)
• M2: 1,047,783 km (0.049 R)
• M3: 1,497,475 km (0.076 R)
• M4: 1,943,426 km (0.114 R)
• M5: 2,535,834 km (0.098 R)
• M6: 2,995,997 km (0.073 R)
• M7: 3,440,901 km (0.07 R)
• M8: 4,232,872 km (0.095 R)
• M9: 4,849,963 km (0.075 R)
• M10: 5,487,250 km (0.071 R)
• M11: 6,329,486 km (0.072 R)
• M12: 7,115,174 km (0.056 R)
• M13: 8,323,326 km (0.082 R)
• M14: 8,854,100 km (0.114 R)
• M15: 9,492,434 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.4

Radius: 14.4

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.07 AU - 1.45 AU

Year: 913 Days

Day: 10.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 40,687,520 km

• M1: 193,430 km (0.117 R)
• M2: 757,713 km (0.117 R)
• M3: 1,598,304 km (0.113 R)
• M4: 2,913,568 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.2

Radius: 10.4

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.13 AU - 2.65 AU

Year: 2386 Days

Day: 8.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,687,520 km

• M1: 129,402 km (0.084 R)
• M2: 563,236 km (0.112 R)
• M3: 989,590 km (0.103 R)
• M4: 1,504,057 km (0.098 R)
• M5: 1,834,519 km (0.091 R)
• M6: 2,168,272 km (0.114 R)
• M7: 2,780,127 km (0.063 R)
• M8: 3,361,913 km (0.082 R)
• M9: 3,884,309 km (0.117 R)
• M10: 4,709,939 km (0.085 R)
• M11: 5,322,692 km (0.071 R)
• M12: 6,103,892 km (0.12 R)
• M13: 6,908,579 km (0.093 R)
• M14: 7,456,556 km (0.106 R)
• M15: 8,033,406 km (0.105 R)
• M16: 9,846,382 km (0.078 R)
• M17: 10,206,165 km (0.102 R)
• M18: 13,015,912 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.7

Radius: 12.2

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.71 AU - 2.73 AU

Year: 2896 Days

Day: 11.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 83.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,687,520 km

• M1: 152,291 km (0.027 R)
• M2: 653,144 km (0.067 R)
• M3: 1,094,009 km (0.1 R)
• M4: 1,670,260 km (0.101 R)
• M5: 4,054,252 km (0.072 R)
• M6: 5,064,337 km (0.11 R)
• M7: 6,044,203 km (0.072 R)
• M8: 7,199,547 km (0.063 R)
• M9: 7,606,603 km (0.03 R)
• M10: 8,086,513 km (0.045 R)
• M11: 8,496,860 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.7

Radius: 12.1

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.23 AU - 3.37 AU

Year: 3871 Days

Day: 10.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,687,520 km

• M1: 150,645 km (0.108 R)
• M2: 621,430 km (0.097 R)
• M3: 1,107,623 km (0.061 R)
• M4: 1,627,176 km (0.079 R)
• M5: 2,014,485 km (0.111 R)
• M6: 2,415,108 km (0.12 R)
• M7: 4,436,923 km (0.105 R)
• M8: 6,685,828 km (0.096 R)
• M9: 7,725,384 km (0.03 R)
• M10: 8,284,281 km (0.08 R)
• M11: 8,810,118 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.1

Radius: 9.6

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.9 AU - 4.28 AU

Year: 5341 Days

Day: 11.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,687,520 km

• M1: 120,426 km (0.065 R)
• M2: 495,319 km (0.1 R)
• M3: 1,411,306 km (0.066 R)
• M4: 2,019,870 km (0.071 R)
• M5: 2,318,617 km (0.079 R)
• M6: 2,757,238 km (0.103 R)
• M7: 3,229,968 km (0.081 R)
• M8: 4,088,360 km (0.093 R)
• M9: 4,389,052 km (0.118 R)
• M10: 5,063,439 km (0.089 R)
• M11: 6,516,782 km (0.044 R)
• M12: 9,169,751 km (0.076 R)
• M13: 9,599,995 km (0.096 R)
• M14: 10,408,272 km (0.036 R)
• M15: 10,829,240 km (0.093 R)
• M16: 11,457,103 km (0.09 R)
• M17: 12,109,200 km (0.046 R)
• M18: 12,522,539 km (0.107 R)
• M19: 14,214,191 km (0.035 R)
• M20: 15,685,337 km (0.061 R)
• M21: 17,320,441 km (0.069 R)
• M22: 18,313,771 km (0.086 R)
• M23: 20,053,146 km (0.051 R)
• M24: 23,139,948 km (0.055 R)
• M25: 23,457,096 km (0.079 R)
• M26: 24,344,361 km (0.095 R)
• M27: 25,505,539 km (0.095 R)
• M28: 28,479,096 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.7

Radius: 3.8

Gravity: 28.23 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.87 AU - 6.67 AU

Year: 10137 Days

Day: 20.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 40,687,520 km

• M1: 47,273 km (0.076 R)
• M2: 216,917 km (0.083 R)
• M3: 343,926 km (0.047 R)
• M4: 713,283 km (0.105 R)
• M5: 911,051 km (0.085 R)
• M6: 1,211,743 km (0.074 R)
• M7: 1,429,557 km (0.1 R)
• M8: 1,880,894 km (0.039 R)
• M9: 2,139,399 km (0.067 R)
• M10: 2,259,676 km (0.071 R)
• M11: 2,532,991 km (0.104 R)
• M12: 2,910,127 km (0.107 R)
• M13: 4,458,017 km (0.076 R)
• M14: 4,598,190 km (0.112 R)
• M15: 4,946,603 km (0.075 R)
• M16: 5,096,799 km (0.088 R)
• M17: 5,343,636 km (0.115 R)
• M18: 6,446,621 km (0.108 R)
• M19: 8,521,843 km (0.106 R)
• M20: 9,969,202 km (0.037 R)
• M21: 10,306,396 km (0.108 R)
• M22: 11,363,305 km (0.076 R)
• M23: 12,215,713 km (0.086 R)
• M24: 18,673,255 km (0.077 R)
• M25: 18,891,518 km (0.101 R)
• M26: 22,537,069 km (0.045 R)
• M27: 23,368,983 km (0.097 R)
• M28: 24,567,561 km (0.099 R)
• M29: 27,742,476 km (0.112 R)
• M30: 27,931,718 km (0.096 R)
• M31: 31,384,736 km (0.094 R)
• M32: 33,910,247 km (0.097 R)
• M33: 35,890,923 km (0.072 R)
• M34: 37,023,977 km (0.062 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: 460 - 18,697 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit