🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.4

Radius: 13

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.47 AU - 0.67 AU

Year: 297 Days

Day: 14.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,528,681 km

• M1: 161,715 km (0.078 R)
• M2: 676,332 km (0.056 R)
• M3: 1,197,082 km (0.054 R)
• M4: 1,677,441 km (0.105 R)
• M5: 2,201,333 km (0.062 R)
• M6: 3,012,602 km (0.117 R)
• M7: 3,574,492 km (0.093 R)
• M8: 4,002,940 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.8

Radius: 13.9

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.64 AU - 0.74 AU

Year: 396 Days

Day: 5.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,528,681 km

• M1: 172,935 km (0.095 R)
• M2: 673,639 km (0.112 R)
• M3: 1,121,834 km (0.106 R)
• M4: 1,919,939 km (0.112 R)
• M5: 3,675,769 km (0.105 R)
• M6: 4,203,999 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16

Radius: 12.7

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.26 AU - 1.78 AU

Year: 1294 Days

Day: 6.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 61,528,681 km

• M1: 167,101 km (0.105 R)
• M2: 647,759 km (0.115 R)
• M3: 1,233,584 km (0.074 R)
• M4: 1,776,774 km (0.11 R)
• M5: 2,384,590 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.2

Radius: 5.3

Gravity: 15.56 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.67 AU - 6.91 AU

Year: 9617 Days

Day: 21.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,528,681 km

• M1: 65,973 km (0.081 R)
• M2: 239,805 km (0.062 R)
• M3: 453,880 km (0.11 R)
• M4: 700,716 km (0.093 R)
• M5: 937,679 km (0.095 R)
• M6: 1,561,652 km (0.065 R)
• M7: 1,801,757 km (0.075 R)
• M8: 2,199,837 km (0.071 R)
• M9: 2,428,871 km (0.077 R)
• M10: 2,914,316 km (0.05 R)
• M11: 3,279,784 km (0.09 R)
• M12: 3,675,320 km (0.057 R)
• M13: 4,076,093 km (0.068 R)
• M14: 7,460,895 km (0.09 R)
• M15: 10,392,863 km (0.058 R)
• M16: 12,085,264 km (0.075 R)
• M17: 14,677,496 km (0.119 R)
• M18: 17,001,050 km (0.074 R)
• M19: 18,392,310 km (0.108 R)
• M20: 19,633,075 km (0.1 R)
• M21: 23,352,228 km (0.083 R)
• M22: 23,943,588 km (0.118 R)
• M23: 24,372,036 km (0.087 R)
• M24: 25,421,017 km (0.104 R)
• M25: 27,421,888 km (0.117 R)
• M26: 29,329,710 km (0.116 R)
• M27: 29,623,370 km (0.101 R)
• M28: 34,591,815 km (0.091 R)
• M29: 35,249,447 km (0.109 R)
• M30: 38,545,836 km (0.088 R)
• M31: 39,016,022 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.1

Radius: 6.4

Gravity: 14.04 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.89 AU - 9.31 AU

Year: 15913 Days

Day: 21.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 61,528,681 km

• M1: 79,885 km (0.109 R)
• M2: 313,258 km (0.078 R)
• M3: 633,547 km (0.03 R)
• M4: 973,733 km (0.087 R)
• M5: 1,474,736 km (0.12 R)
• M6: 2,951,416 km (0.064 R)
• M7: 3,787,369 km (0.119 R)
• M8: 4,078,337 km (0.073 R)
• M9: 5,007,639 km (0.049 R)
• M10: 6,886,888 km (0.11 R)
• M11: 8,244,638 km (0.103 R)
• M12: 9,088,669 km (0.084 R)
• M13: 11,781,431 km (0.042 R)
• M14: 15,544,116 km (0.11 R)
• M15: 16,215,362 km (0.097 R)
• M16: 18,099,547 km (0.061 R)
• M17: 19,605,100 km (0.073 R)
• M18: 20,037,737 km (0.097 R)
• M19: 23,828,547 km (0.06 R)
• M20: 26,675,544 km (0.055 R)
• M21: 29,628,008 km (0.096 R)
• M22: 32,069,744 km (0.092 R)
• M23: 35,021,011 km (0.099 R)
• M24: 35,529,793 km (0.056 R)
• M25: 36,172,765 km (0.104 R)
• M26: 38,014,315 km (0.115 R)
• M27: 40,892,578 km (0.11 R)
• M28: 43,472,543 km (0.04 R)
• M29: 46,770,577 km (0.098 R)
• M30: 47,387,669 km (0.119 R)
• M31: 49,590,198 km (0.108 R)
• M32: 60,348,978 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.9

Radius: 6.8

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 8.12 AU - 9.7 AU

Year: 18358 Days

Day: 17.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 61,528,681 km

• M1: 86,468 km (0.105 R)
• M2: 606,171 km (0.059 R)
• M3: 2,193,853 km (0.098 R)
• M4: 2,415,258 km (0.109 R)
• M5: 2,951,267 km (0.069 R)
• M6: 3,273,201 km (0.12 R)
• M7: 3,563,720 km (0.075 R)
• M8: 4,227,037 km (0.109 R)
• M9: 5,354,407 km (0.112 R)
• M10: 6,065,296 km (0.11 R)
• M11: 6,423,284 km (0.07 R)
• M12: 7,857,628 km (0.085 R)
• M13: 8,526,331 km (0.032 R)
• M14: 8,824,180 km (0.073 R)
• M15: 11,403,846 km (0.091 R)
• M16: 13,623,728 km (0.085 R)
• M17: 15,302,665 km (0.111 R)
• M18: 15,891,632 km (0.089 R)
• M19: 16,958,714 km (0.077 R)
• M20: 22,543,950 km (0.111 R)
• M21: 23,889,284 km (0.099 R)
• M22: 24,283,325 km (0.09 R)
• M23: 33,469,532 km (0.051 R)
• M24: 35,985,020 km (0.065 R)
• M25: 36,632,928 km (0.097 R)
• M26: 37,288,765 km (0.084 R)
• M27: 38,354,201 km (0.082 R)
• M28: 43,987,459 km (0.115 R)
• M29: 44,282,765 km (0.091 R)
• M30: 45,477,154 km (0.06 R)
• M31: 52,765,263 km (0.109 R)
• M32: 57,209,966 km (0.12 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 12,862 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit