🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.1

Radius: 14.7

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.49 AU - 0.73 AU

Year: 318 Days

Day: 11.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,263,788 km

• M1: 182,809 km (0.107 R)
• M2: 704,008 km (0.111 R)
• M3: 1,392,906 km (0.092 R)
• M4: 1,921,136 km (0.09 R)
• M5: 2,550,494 km (0.111 R)
• M6: 3,118,368 km (0.117 R)
• M7: 3,748,474 km (0.028 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.4

Radius: 13.6

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.61 AU - 0.69 AU

Year: 349 Days

Day: 8.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,263,788 km

• M1: 174,581 km (0.058 R)
• M2: 943,514 km (0.062 R)
• M3: 1,758,673 km (0.086 R)
• M4: 2,256,983 km (0.079 R)
• M5: 2,716,398 km (0.092 R)
• M6: 3,493,260 km (0.112 R)
• M7: 3,997,704 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.5

Radius: 8.7

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.12 AU - 3.5 AU

Year: 3141 Days

Day: 14.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,263,788 km

• M1: 109,506 km (0.1 R)
• M2: 397,631 km (0.074 R)
• M3: 693,386 km (0.055 R)
• M4: 1,076,955 km (0.055 R)
• M5: 1,434,943 km (0.105 R)
• M6: 1,743,264 km (0.12 R)
• M7: 2,070,135 km (0.042 R)
• M8: 2,555,281 km (0.061 R)
• M9: 3,990,673 km (0.115 R)
• M10: 4,366,762 km (0.106 R)
• M11: 4,998,962 km (0.083 R)
• M12: 7,955,166 km (0.118 R)
• M13: 8,450,933 km (0.096 R)
• M14: 9,108,416 km (0.107 R)
• M15: 10,961,335 km (0.105 R)
• M16: 12,169,188 km (0.114 R)
• M17: 16,962,454 km (0.113 R)
• M18: 18,176,291 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.2

Radius: 11.6

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.26 AU - 4.98 AU

Year: 5577 Days

Day: 13.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,263,788 km

• M1: 144,362 km (0.094 R)
• M2: 539,600 km (0.09 R)
• M3: 926,759 km (0.113 R)
• M4: 1,532,181 km (0.112 R)
• M5: 2,164,681 km (0.118 R)
• M6: 3,102,660 km (0.093 R)
• M7: 3,743,836 km (0.12 R)
• M8: 4,523,092 km (0.066 R)
• M9: 5,233,382 km (0.091 R)
• M10: 5,860,197 km (0.095 R)
• M11: 7,929,884 km (0.071 R)
• M12: 8,798,599 km (0.1 R)
• M13: 10,865,892 km (0.113 R)
• M14: 11,393,075 km (0.085 R)
• M15: 13,785,145 km (0.064 R)
• M16: 15,040,121 km (0.049 R)
• M17: 16,745,537 km (0.106 R)
• M18: 18,173,299 km (0.115 R)
• M19: 19,261,623 km (0.076 R)
• M20: 20,537,244 km (0.086 R)
• M21: 22,709,705 km (0.049 R)
• M22: 25,363,421 km (0.114 R)
• M23: 30,896,747 km (0.111 R)
• M24: 32,939,806 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 499.9

Radius: 5.4

Gravity: 17.14 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.05 AU - 8.37 AU

Year: 14276 Days

Day: 23.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,263,788 km

• M1: 146,008 km (0.096 R)
• M2: 551,867 km (0.103 R)
• M3: 813,214 km (0.051 R)
• M4: 1,292,675 km (0.103 R)
• M5: 1,891,665 km (0.052 R)
• M6: 3,283,972 km (0.11 R)
• M7: 3,512,408 km (0.092 R)
• M8: 5,386,271 km (0.106 R)
• M9: 6,263,064 km (0.119 R)
• M10: 8,624,467 km (0.109 R)
• M11: 9,871,215 km (0.101 R)
• M12: 11,290,600 km (0.081 R)
• M13: 14,258,771 km (0.057 R)
• M14: 17,478,566 km (0.118 R)
• M15: 17,863,781 km (0.096 R)
• M16: 22,663,629 km (0.057 R)
• M17: 25,112,995 km (0.107 R)
• M18: 27,318,666 km (0.079 R)
• M19: 36,928,384 km (0.119 R)
• M20: 39,376,553 km (0.062 R)
• M21: 42,205,748 km (0.105 R)
• M22: 51,974,938 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.7

Radius: 3.1

Gravity: 97.37 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.31 AU - 9.13 AU

Year: 17171 Days

Day: 21.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 76,263,788 km

• M1: 38,596 km (0.107 R)
• M2: 166,951 km (0.055 R)
• M3: 356,641 km (0.077 R)
• M4: 537,056 km (0.089 R)
• M5: 775,216 km (0.073 R)
• M6: 1,409,511 km (0.071 R)
• M7: 2,287,501 km (0.112 R)
• M8: 3,087,700 km (0.094 R)
• M9: 3,251,061 km (0.116 R)
• M10: 3,899,568 km (0.114 R)
• M11: 5,215,580 km (0.094 R)
• M12: 8,311,359 km (0.119 R)
• M13: 8,415,927 km (0.111 R)
• M14: 9,681,525 km (0.076 R)
• M15: 10,329,434 km (0.092 R)
• M16: 10,450,159 km (0.082 R)
• M17: 10,633,267 km (0.114 R)
• M18: 15,377,315 km (0.119 R)
• M19: 15,693,565 km (0.091 R)
• M20: 20,114,331 km (0.075 R)
• M21: 22,152,901 km (0.075 R)
• M22: 22,964,320 km (0.102 R)
• M23: 23,377,360 km (0.086 R)
• M24: 25,188,242 km (0.114 R)
• M25: 25,849,166 km (0.06 R)
• M26: 28,608,199 km (0.058 R)
• M27: 36,072,385 km (0.103 R)
• M28: 36,490,361 km (0.025 R)
• M29: 38,338,643 km (0.067 R)
• M30: 38,919,681 km (0.107 R)
• M31: 45,866,109 km (0.069 R)
• M32: 48,861,058 km (0.113 R)
• M33: 52,338,909 km (0.116 R)
• M34: 53,233,355 km (0.08 R)
• M35: 54,320,184 km (0.039 R)
• M36: 58,240,545 km (0.093 R)
• M37: 60,171,854 km (0.109 R)
• M38: 61,946,085 km (0.097 R)
• M39: 62,545,224 km (0.087 R)
• M40: 63,148,104 km (0.11 R)
• M41: 64,980,229 km (0.107 R)
• M42: 65,598,816 km (0.118 R)
• M43: 67,057,096 km (0.054 R)
• M44: 67,900,080 km (0.09 R)
• M45: 70,471,518 km (0.097 R)
• M46: 73,775,985 km (0.078 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: 461 - 19,943 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit