🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.9

Radius: 11.2

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.4 AU - 0.62 AU

Year: 256 Days

Day: 14.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,431,619 km

• M1: 139,276 km (0.081 R)
• M2: 602,131 km (0.098 R)
• M3: 1,043,146 km (0.103 R)
• M4: 1,462,618 km (0.099 R)
• M5: 1,824,047 km (0.074 R)
• M6: 2,347,340 km (0.118 R)
• M7: 2,741,531 km (0.107 R)
• M8: 3,432,374 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.4

Radius: 13.8

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.62 AU - 0.66 AU

Year: 360 Days

Day: 10.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,431,619 km

• M1: 171,589 km (0.12 R)
• M2: 607,218 km (0.101 R)
• M3: 1,129,165 km (0.056 R)
• M4: 1,565,093 km (0.095 R)
• M5: 2,059,813 km (0.095 R)
• M6: 2,898,459 km (0.079 R)
• M7: 4,018,498 km (0.117 R)
• M8: 4,859,836 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912

Radius: 8.8

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.24 AU - 1.62 AU

Year: 1202 Days

Day: 8.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,431,619 km

• M1: 109,506 km (0.097 R)
• M2: 460,163 km (0.115 R)
• M3: 987,047 km (0.104 R)
• M4: 1,308,981 km (0.1 R)
• M5: 1,848,730 km (0.113 R)
• M6: 2,136,856 km (0.108 R)
• M7: 4,571,412 km (0.088 R)
• M8: 5,042,795 km (0.08 R)
• M9: 6,269,198 km (0.086 R)
• M10: 8,846,470 km (0.078 R)
• M11: 9,832,470 km (0.119 R)
• M12: 11,731,315 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.8

Radius: 8.8

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.34 AU - 1.94 AU

Year: 1476 Days

Day: 14.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,431,619 km

• M1: 109,506 km (0.119 R)
• M2: 1,202,019 km (0.113 R)
• M3: 1,802,355 km (0.118 R)
• M4: 2,363,646 km (0.112 R)
• M5: 2,646,087 km (0.096 R)
• M6: 3,332,293 km (0.069 R)
• M7: 3,774,953 km (0.078 R)
• M8: 4,594,300 km (0.117 R)
• M9: 4,932,691 km (0.1 R)
• M10: 5,434,292 km (0.092 R)
• M11: 5,930,209 km (0.065 R)
• M12: 8,172,532 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.6

Radius: 9.1

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.08 AU - 2.46 AU

Year: 2404 Days

Day: 7.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,431,619 km

• M1: 113,246 km (0.065 R)
• M2: 555,457 km (0.106 R)
• M3: 1,048,980 km (0.118 R)
• M4: 1,480,570 km (0.118 R)
• M5: 1,839,306 km (0.045 R)
• M6: 2,203,726 km (0.098 R)
• M7: 2,795,236 km (0.028 R)
• M8: 3,435,814 km (0.086 R)
• M9: 3,744,285 km (0.108 R)
• M10: 4,272,515 km (0.079 R)
• M11: 4,761,102 km (0.113 R)
• M12: 7,968,331 km (0.102 R)
• M13: 10,143,184 km (0.081 R)
• M14: 10,477,984 km (0.092 R)
• M15: 11,130,381 km (0.059 R)
• M16: 13,427,606 km (0.087 R)
• M17: 14,900,546 km (0.082 R)
• M18: 17,150,199 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.9

Radius: 12.4

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.48 AU - 4.04 AU

Year: 5125 Days

Day: 12.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,431,619 km

• M1: 154,235 km (0.051 R)
• M2: 545,733 km (0.051 R)
• M3: 1,005,597 km (0.079 R)
• M4: 1,470,397 km (0.09 R)
• M5: 3,286,665 km (0.057 R)
• M6: 6,227,909 km (0.065 R)
• M7: 8,110,000 km (0.101 R)
• M8: 8,727,390 km (0.052 R)
• M9: 9,181,869 km (0.119 R)
• M10: 11,160,151 km (0.112 R)
• M11: 11,605,653 km (0.09 R)
• M12: 12,249,373 km (0.059 R)
• M13: 14,586,092 km (0.094 R)
• M14: 18,907,824 km (0.104 R)
• M15: 20,987,235 km (0.104 R)
• M16: 21,874,201 km (0.041 R)
• M17: 25,366,413 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.9

Radius: 11.4

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.79 AU - 4.13 AU

Year: 5539 Days

Day: 12.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,431,619 km

• M1: 144,362 km (0.115 R)
• M2: 680,222 km (0.119 R)
• M3: 1,112,859 km (0.081 R)
• M4: 1,633,609 km (0.098 R)
• M5: 2,049,042 km (0.07 R)
• M6: 2,422,588 km (0.096 R)
• M7: 2,877,515 km (0.09 R)
• M8: 3,593,790 km (0.113 R)
• M9: 4,028,521 km (0.09 R)
• M10: 5,244,153 km (0.072 R)
• M11: 5,805,445 km (0.057 R)
• M12: 6,344,446 km (0.106 R)
• M13: 7,015,392 km (0.089 R)
• M14: 14,195,940 km (0.071 R)
• M15: 15,569,249 km (0.057 R)
• M16: 16,084,763 km (0.032 R)
• M17: 17,029,324 km (0.112 R)
• M18: 18,198,581 km (0.097 R)
• M19: 20,152,479 km (0.027 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 20,351 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit