🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.52 AU - 0.54 AU

Year: 135 Days

Day: 14.1 Hours

Environment

Temp: 285 °C

Axial Tilt: 4.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.79 AU - 0.81 AU

Year: 250 Days

Day: 40.1 Hours

Environment

Temp: 144 °C

Axial Tilt: 13.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.62 AU - 0.98 AU

Year: 250 Days

Day: 40.1 Hours

Environment

Temp: 171 °C

Axial Tilt: 7.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 4.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.5

Radius: 13.8

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.4 AU - 9.68 AU

Year: 7976 Days

Day: 6.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 111,893,111 km

• M1: 171,589 km (0.042 R)
• M2: 631,453 km (0.098 R)
• M3: 1,286,392 km (0.113 R)
• M4: 2,278,675 km (0.096 R)
• M5: 3,001,980 km (0.116 R)
• M6: 3,484,434 km (0.117 R)
• M7: 5,166,213 km (0.052 R)
• M8: 7,562,322 km (0.061 R)
• M9: 10,623,244 km (0.111 R)
• M10: 11,401,901 km (0.12 R)
• M11: 12,114,286 km (0.11 R)
• M12: 14,665,528 km (0.108 R)
• M13: 16,130,241 km (0.053 R)
• M14: 16,768,425 km (0.079 R)
• M15: 18,924,879 km (0.12 R)
• M16: 21,873,153 km (0.113 R)
• M17: 22,655,550 km (0.099 R)
• M18: 23,133,815 km (0.1 R)
• M19: 24,525,973 km (0.104 R)
• M20: 25,456,172 km (0.103 R)
• M21: 26,234,530 km (0.074 R)
• M22: 27,748,011 km (0.104 R)
• M23: 29,602,277 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.5

Radius: 13.1

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.97 AU - 9.53 AU

Year: 8290 Days

Day: 9.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 111,893,111 km

• M1: 163,062 km (0.044 R)
• M2: 602,730 km (0.072 R)
• M3: 1,112,410 km (0.065 R)
• M4: 1,926,970 km (0.045 R)
• M5: 3,280,083 km (0.119 R)
• M6: 3,743,836 km (0.105 R)
• M7: 4,182,756 km (0.069 R)
• M8: 8,663,512 km (0.097 R)
• M9: 14,862,848 km (0.113 R)
• M10: 15,633,426 km (0.119 R)
• M11: 24,262,680 km (0.117 R)
• M12: 25,877,440 km (0.06 R)
• M13: 26,912,208 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.7

Radius: 7.5

Gravity: 16.4 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 12.25 AU - 18.41 AU

Year: 20999 Days

Day: 19 Hours

Environment

Temp: -187 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 111,893,111 km

• M1: 93,349 km (0.093 R)
• M2: 726,447 km (0.084 R)
• M3: 1,054,815 km (0.118 R)
• M4: 2,186,373 km (0.061 R)
• M5: 2,803,614 km (0.109 R)
• M6: 4,071,904 km (0.114 R)
• M7: 5,041,747 km (0.054 R)
• M8: 5,939,335 km (0.081 R)
• M9: 6,609,832 km (0.116 R)
• M10: 8,369,552 km (0.11 R)
• M11: 8,755,664 km (0.06 R)
• M12: 9,386,518 km (0.038 R)
• M13: 10,483,520 km (0.091 R)
• M14: 12,640,870 km (0.093 R)
• M15: 14,837,117 km (0.104 R)
• M16: 15,077,969 km (0.083 R)
• M17: 15,732,909 km (0.116 R)
• M18: 21,775,616 km (0.058 R)
• M19: 22,824,446 km (0.078 R)
• M20: 23,469,812 km (0.061 R)
• M21: 27,842,557 km (0.03 R)
• M22: 29,455,073 km (0.066 R)
• M23: 30,736,977 km (0.094 R)
• M24: 32,055,832 km (0.118 R)
• M25: 33,826,023 km (0.035 R)
• M26: 34,947,259 km (0.094 R)
• M27: 35,660,542 km (0.089 R)
• M28: 40,456,799 km (0.075 R)
• M29: 43,335,062 km (0.038 R)
• M30: 45,835,441 km (0.072 R)
• M31: 48,430,665 km (0.096 R)
• M32: 56,409,916 km (0.103 R)
• M33: 67,395,636 km (0.025 R)
• M34: 73,038,916 km (0.106 R)
• M35: 80,711,492 km (0.083 R)
• M36: 83,975,867 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815.6

Radius: 4.9

Gravity: 33.97 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 20.59 AU - 20.59 AU

Year: 32686 Days

Day: 21.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 111,893,111 km

• M1: 61,036 km (0.081 R)
• M2: 244,742 km (0.11 R)
• M3: 572,511 km (0.103 R)
• M4: 996,471 km (0.094 R)
• M5: 1,530,835 km (0.067 R)
• M6: 7,164,691 km (0.106 R)
• M7: 9,139,832 km (0.102 R)
• M8: 9,652,354 km (0.059 R)
• M9: 11,970,672 km (0.061 R)
• M10: 12,274,655 km (0.097 R)
• M11: 12,898,328 km (0.07 R)
• M12: 14,378,151 km (0.042 R)
• M13: 18,870,724 km (0.05 R)
• M14: 20,990,227 km (0.093 R)
• M15: 21,321,287 km (0.068 R)
• M16: 27,232,796 km (0.026 R)
• M17: 35,535,777 km (0.119 R)
• M18: 36,480,338 km (0.095 R)
• M19: 38,419,426 km (0.106 R)
• M20: 40,938,505 km (0.113 R)
• M21: 42,854,255 km (0.081 R)
• M22: 44,284,560 km (0.112 R)
• M23: 49,541,130 km (0.093 R)
• M24: 61,047,301 km (0.059 R)
• M25: 66,344,262 km (0.095 R)
• M26: 69,958,995 km (0.104 R)
• M27: 71,689,843 km (0.087 R)
• M28: 72,440,375 km (0.111 R)
• M29: 98,078,159 km (0.091 R)

Kuiper Belt

Range: 31.4 - 57.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 15,873 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit