🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.81 AU - 0.83 AU

Year: 313 Days

Day: 30.1 Hours

Environment

Temp: 5 °C

Axial Tilt: 14.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.76 AU - 1.12 AU

Year: 384 Days

Day: 14.1 Hours

Environment

Temp: -40 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.03 AU - 1.21 AU

Year: 500 Days

Day: 34.5 Hours

Environment

Temp: -63 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.6

Radius: 8.5

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.33 AU - 4.31 AU

Year: 3149 Days

Day: 6.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,163,217 km

• M1: 106,065 km (0.118 R)
• M2: 390,899 km (0.098 R)
• M3: 698,472 km (0.113 R)
• M4: 1,104,930 km (0.107 R)
• M5: 1,837,062 km (0.081 R)
• M6: 2,179,043 km (0.104 R)
• M7: 2,780,127 km (0.069 R)
• M8: 4,202,803 km (0.055 R)
• M9: 5,429,356 km (0.057 R)
• M10: 5,789,886 km (0.069 R)
• M11: 6,304,653 km (0.086 R)
• M12: 6,849,638 km (0.107 R)
• M13: 7,394,473 km (0.118 R)
• M14: 7,709,526 km (0.1 R)
• M15: 8,033,555 km (0.106 R)
• M16: 9,531,628 km (0.077 R)
• M17: 11,835,884 km (0.082 R)
• M18: 15,233,252 km (0.032 R)
• M19: 18,645,729 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.3

Radius: 8.2

Gravity: 13.46 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.75 AU - 7.31 AU

Year: 7038 Days

Day: 10.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,163,217 km

• M1: 102,774 km (0.073 R)
• M2: 492,027 km (0.059 R)
• M3: 758,461 km (0.1 R)
• M4: 1,540,409 km (0.119 R)
• M5: 2,022,862 km (0.114 R)
• M6: 3,090,842 km (0.11 R)
• M7: 5,385,523 km (0.115 R)
• M8: 6,178,542 km (0.077 R)
• M9: 6,822,560 km (0.096 R)
• M10: 7,237,844 km (0.099 R)
• M11: 7,510,711 km (0.088 R)
• M12: 7,912,531 km (0.064 R)
• M13: 8,803,236 km (0.058 R)
• M14: 10,483,071 km (0.08 R)
• M15: 11,983,687 km (0.081 R)
• M16: 13,740,564 km (0.087 R)
• M17: 15,213,804 km (0.06 R)
• M18: 15,792,449 km (0.116 R)
• M19: 16,252,612 km (0.109 R)
• M20: 16,993,720 km (0.066 R)
• M21: 17,827,877 km (0.068 R)
• M22: 18,908,423 km (0.12 R)
• M23: 19,427,228 km (0.073 R)
• M24: 20,339,027 km (0.091 R)
• M25: 23,584,104 km (0.103 R)
• M26: 24,533,602 km (0.048 R)
• M27: 26,693,496 km (0.06 R)
• M28: 31,079,257 km (0.09 R)
• M29: 36,262,225 km (0.11 R)
• M30: 37,526,177 km (0.114 R)
• M31: 41,494,111 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.6

Radius: 14.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.52 AU - 8.58 AU

Year: 9633 Days

Day: 5.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,163,217 km

• M1: 176,675 km (0.076 R)
• M2: 710,590 km (0.047 R)
• M3: 1,815,969 km (0.061 R)
• M4: 3,878,175 km (0.112 R)
• M5: 8,019,343 km (0.107 R)
• M6: 8,498,505 km (0.04 R)
• M7: 9,323,986 km (0.116 R)
• M8: 12,011,512 km (0.087 R)
• M9: 15,245,669 km (0.093 R)
• M10: 16,465,041 km (0.081 R)
• M11: 19,562,465 km (0.11 R)
• M12: 24,542,578 km (0.074 R)
• M13: 27,667,677 km (0.055 R)
• M14: 28,363,158 km (0.088 R)
• M15: 39,741,572 km (0.078 R)
• M16: 40,372,875 km (0.093 R)
• M17: 44,845,103 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265

Radius: 7.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 16.38 AU - 16.78 AU

Year: 28473 Days

Day: 23.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,163,217 km

• M1: 96,042 km (0.042 R)
• M2: 393,592 km (0.112 R)
• M3: 1,052,271 km (0.096 R)
• M4: 1,633,908 km (0.039 R)
• M5: 2,006,556 km (0.072 R)
• M6: 2,613,774 km (0.113 R)
• M7: 3,502,984 km (0.094 R)
• M8: 4,580,088 km (0.094 R)
• M9: 5,286,938 km (0.03 R)
• M10: 7,796,293 km (0.07 R)
• M11: 9,173,341 km (0.081 R)
• M12: 10,586,293 km (0.12 R)
• M13: 10,885,489 km (0.079 R)
• M14: 13,980,071 km (0.052 R)
• M15: 14,340,302 km (0.108 R)
• M16: 15,534,991 km (0.039 R)
• M17: 19,516,239 km (0.038 R)
• M18: 25,067,816 km (0.104 R)
• M19: 26,907,571 km (0.047 R)
• M20: 27,353,223 km (0.119 R)
• M21: 27,690,566 km (0.118 R)
• M22: 28,030,901 km (0.029 R)
• M23: 30,370,612 km (0.049 R)
• M24: 34,379,984 km (0.116 R)
• M25: 36,511,156 km (0.079 R)
• M26: 36,783,573 km (0.083 R)
• M27: 37,886,858 km (0.119 R)
• M28: 41,329,105 km (0.092 R)
• M29: 44,043,558 km (0.081 R)
• M30: 44,974,206 km (0.08 R)
• M31: 48,334,773 km (0.077 R)
• M32: 50,328,314 km (0.083 R)
• M33: 50,665,807 km (0.067 R)
• M34: 52,203,374 km (0.07 R)
• M35: 54,834,501 km (0.115 R)
• M36: 59,226,246 km (0.078 R)
• M37: 65,238,435 km (0.086 R)
• M38: 69,325,748 km (0.091 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 14,927 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit