🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.5

Radius: 11

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.65 AU - 0.87 AU

Year: 435 Days

Day: 13.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 50,674,941 km

• M1: 173,534 km (0.087 R)
• M2: 569,070 km (0.069 R)
• M3: 1,033,123 km (0.116 R)
• M4: 1,624,184 km (0.107 R)
• M5: 1,987,258 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257

Radius: 13.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.07 AU - 1.51 AU

Year: 961 Days

Day: 13.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,674,941 km

• M1: 171,589 km (0.109 R)
• M2: 611,406 km (0.076 R)
• M3: 1,072,916 km (0.095 R)
• M4: 1,819,110 km (0.083 R)
• M5: 2,254,440 km (0.1 R)
• M6: 2,892,924 km (0.104 R)
• M7: 3,329,899 km (0.119 R)
• M8: 4,309,615 km (0.061 R)
• M9: 5,198,227 km (0.108 R)
• M10: 6,129,474 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.9

Radius: 11.6

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.09 AU - 3.99 AU

Year: 4369 Days

Day: 7.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,674,941 km

• M1: 146,456 km (0.052 R)
• M2: 578,794 km (0.095 R)
• M3: 1,200,074 km (0.055 R)
• M4: 2,595,972 km (0.086 R)
• M5: 3,044,616 km (0.105 R)
• M6: 6,425,229 km (0.095 R)
• M7: 6,889,580 km (0.058 R)
• M8: 9,263,250 km (0.081 R)
• M9: 11,327,401 km (0.075 R)
• M10: 14,748,854 km (0.112 R)
• M11: 17,546,334 km (0.077 R)
• M12: 19,396,860 km (0.09 R)
• M13: 20,867,856 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.5

Radius: 11.1

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.65 AU - 4.97 AU

Year: 5870 Days

Day: 8.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,674,941 km

• M1: 138,228 km (0.085 R)
• M2: 633,846 km (0.072 R)
• M3: 1,380,489 km (0.113 R)
• M4: 1,754,633 km (0.088 R)
• M5: 2,245,763 km (0.115 R)
• M6: 4,913,991 km (0.099 R)
• M7: 8,802,339 km (0.11 R)
• M8: 14,160,186 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.8

Radius: 4.7

Gravity: 35.35 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.94 AU - 8.1 AU

Year: 12202 Days

Day: 18.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 50,674,941 km

• M1: 58,792 km (0.082 R)
• M2: 310,416 km (0.064 R)
• M3: 572,361 km (0.052 R)
• M4: 867,967 km (0.085 R)
• M5: 2,283,611 km (0.095 R)
• M6: 2,700,990 km (0.074 R)
• M7: 2,998,689 km (0.097 R)
• M8: 3,713,767 km (0.107 R)
• M9: 4,229,880 km (0.071 R)
• M10: 4,567,821 km (0.082 R)
• M11: 5,438,481 km (0.09 R)
• M12: 6,179,589 km (0.117 R)
• M13: 6,454,251 km (0.093 R)
• M14: 8,370,450 km (0.036 R)
• M15: 9,002,052 km (0.069 R)
• M16: 9,152,248 km (0.092 R)
• M17: 9,612,860 km (0.066 R)
• M18: 10,088,731 km (0.104 R)
• M19: 10,635,661 km (0.113 R)
• M20: 11,434,364 km (0.088 R)
• M21: 12,395,231 km (0.051 R)
• M22: 13,869,069 km (0.101 R)
• M23: 14,890,822 km (0.089 R)
• M24: 16,329,954 km (0.092 R)
• M25: 21,823,637 km (0.11 R)
• M26: 22,922,433 km (0.105 R)
• M27: 27,476,342 km (0.089 R)
• M28: 27,898,657 km (0.09 R)
• M29: 32,363,106 km (0.075 R)
• M30: 35,382,290 km (0.07 R)
• M31: 44,243,720 km (0.093 R)
• M32: 47,497,174 km (0.093 R)
• M33: 48,411,367 km (0.079 R)
• M34: 50,274,908 km (0.096 R)
• M35: 50,748,086 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.3

Radius: 3.7

Gravity: 15.29 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 9.64 AU - 9.66 AU

Year: 19665 Days

Day: 20.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,674,941 km

• M1: 46,076 km (0.105 R)
• M2: 281,842 km (0.1 R)
• M3: 445,054 km (0.115 R)
• M4: 2,311,138 km (0.06 R)
• M5: 2,824,109 km (0.051 R)
• M6: 3,384,502 km (0.098 R)
• M7: 3,770,315 km (0.058 R)
• M8: 4,507,533 km (0.065 R)
• M9: 6,112,569 km (0.118 R)
• M10: 7,123,851 km (0.111 R)
• M11: 7,414,070 km (0.078 R)
• M12: 11,708,277 km (0.082 R)
• M13: 13,505,546 km (0.097 R)
• M14: 19,259,828 km (0.072 R)
• M15: 19,822,615 km (0.105 R)
• M16: 23,795,935 km (0.111 R)
• M17: 25,102,971 km (0.11 R)
• M18: 28,063,364 km (0.089 R)
• M19: 31,468,810 km (0.119 R)
• M20: 33,615,838 km (0.099 R)
• M21: 41,033,050 km (0.059 R)
• M22: 43,453,993 km (0.072 R)
• M23: 43,728,654 km (0.076 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: 461 - 13,748 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit