🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.52 AU - 0.66 AU

Year: 163 Days

Day: 44.4 Hours

Environment

Temp: 158 °C

Axial Tilt: 22.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.51 AU - 0.69 AU

Year: 167 Days

Day: 43 Hours

Environment

Temp: 225 °C

Axial Tilt: 34.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.49 AU - 0.71 AU

Year: 167 Days

Day: 15.7 Hours

Environment

Temp: 177 °C

Axial Tilt: 1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,964,280 km

• M1: 145,559 km (0.038 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.1 AU - 1.12 AU

Year: 421 Days

Day: 26.5 Hours

Environment

Temp: 37 °C

Axial Tilt: 13.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.21 AU - 1.95 AU

Year: 715 Days

Day: 44.5 Hours

Environment

Temp: -45 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,964,280 km

• M1: 675,584 km (0.045 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.01 AU - 4.03 AU

Year: 2377 Days

Day: 23.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 36,964,280 km

• M1: 539,899 km (0.101 R)
• M2: 1,932,356 km (0.106 R)

Asteroid Belt

Center: 5.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.5

Radius: 14.4

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.15 AU - 6.93 AU

Year: 6019 Days

Day: 6.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 36,964,280 km

• M1: 189,541 km (0.059 R)
• M2: 1,032,824 km (0.084 R)
• M3: 1,128,417 km (0.11 R)
• M4: 1,338,901 km (0.116 R)
• M5: 1,583,194 km (0.077 R)
• M6: 2,005,060 km (0.11 R)
• M7: 2,617,963 km (0.109 R)
• M8: 2,777,135 km (0.055 R)
• M9: 3,607,852 km (0.099 R)
• M10: 3,799,636 km (0.059 R)
• M11: 3,952,675 km (0.106 R)
• M12: 4,207,739 km (0.065 R)
• M13: 4,366,163 km (0.051 R)
• M14: 4,570,963 km (0.092 R)
• M15: 4,929,399 km (0.073 R)
• M16: 5,157,985 km (0.049 R)
• M17: 5,641,934 km (0.119 R)
• M18: 5,817,263 km (0.118 R)
• M19: 6,124,238 km (0.115 R)
• M20: 6,436,748 km (0.104 R)
• M21: 7,318,627 km (0.073 R)
• M22: 7,844,763 km (0.044 R)
• M23: 8,058,688 km (0.096 R)
• M24: 8,274,557 km (0.114 R)
• M25: 8,492,222 km (0.061 R)
• M26: 9,609,718 km (0.07 R)
• M27: 9,781,457 km (0.071 R)
• M28: 11,432,269 km (0.061 R)
• M29: 11,878,819 km (0.085 R)
• M30: 12,310,409 km (0.113 R)
• M31: 12,663,609 km (0.082 R)
• M32: 12,914,934 km (0.117 R)
• M33: 13,316,454 km (0.102 R)
• M34: 13,465,304 km (0.114 R)
• M35: 13,893,902 km (0.105 R)
• M36: 14,283,455 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.7

Radius: 10.5

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.39 AU - 6.97 AU

Year: 6214 Days

Day: 10.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 36,964,280 km

• M1: 131,796 km (0.102 R)
• M2: 371,751 km (0.051 R)
• M3: 618,737 km (0.102 R)
• M4: 1,175,241 km (0.065 R)
• M5: 1,365,978 km (0.112 R)
• M6: 1,529,788 km (0.059 R)
• M7: 1,661,733 km (0.053 R)
• M8: 1,857,108 km (0.113 R)
• M9: 2,101,551 km (0.055 R)
• M10: 2,487,962 km (0.119 R)
• M11: 3,037,734 km (0.108 R)
• M12: 3,277,989 km (0.043 R)
• M13: 3,574,492 km (0.072 R)
• M14: 3,700,603 km (0.113 R)
• M15: 3,802,628 km (0.109 R)
• M16: 4,488,385 km (0.113 R)
• M17: 4,762,448 km (0.117 R)
• M18: 4,985,648 km (0.084 R)
• M19: 5,413,498 km (0.063 R)
• M20: 6,334,871 km (0.087 R)
• M21: 7,368,593 km (0.111 R)
• M22: 7,627,098 km (0.088 R)
• M23: 7,790,160 km (0.104 R)
• M24: 8,690,739 km (0.077 R)
• M25: 8,895,389 km (0.079 R)
• M26: 9,136,092 km (0.117 R)
• M27: 9,448,901 km (0.086 R)
• M28: 9,942,274 km (0.055 R)
• M29: 10,264,060 km (0.027 R)
• M30: 10,807,698 km (0.093 R)
• M31: 11,435,411 km (0.056 R)
• M32: 11,772,455 km (0.089 R)
• M33: 11,923,249 km (0.083 R)
• M34: 12,150,788 km (0.118 R)
• M35: 12,764,588 km (0.085 R)
• M36: 13,153,243 km (0.111 R)
• M37: 13,942,372 km (0.096 R)
• M38: 14,022,108 km (0.071 R)
• M39: 14,463,571 km (0.067 R)
• M40: 14,991,053 km (0.051 R)
• M41: 15,113,723 km (0.062 R)
• M42: 15,483,679 km (0.063 R)
• M43: 15,649,134 km (0.117 R)
• M44: 16,023,278 km (0.114 R)
• M45: 16,232,566 km (0.077 R)
• M46: 17,121,177 km (0.086 R)
• M47: 17,722,261 km (0.091 R)
• M48: 18,155,946 km (0.107 R)
• M49: 18,286,694 km (0.053 R)
• M50: 18,417,742 km (0.088 R)
• M51: 18,680,885 km (0.113 R)
• M52: 19,344,201 km (0.025 R)
• M53: 20,015,148 km (0.09 R)
• M54: 20,240,442 km (0.081 R)
• M55: 21,425,856 km (0.099 R)
• M56: 21,702,612 km (0.032 R)
• M57: 22,119,990 km (0.115 R)
• M58: 22,446,562 km (0.111 R)
• M59: 23,387,982 km (0.041 R)
• M60: 23,482,827 km (0.089 R)
• M61: 24,246,374 km (0.076 R)
• M62: 24,872,740 km (0.082 R)
• M63: 25,260,947 km (0.061 R)
• M64: 25,797,854 km (0.106 R)
• M65: 26,141,480 km (0.106 R)
• M66: 26,833,370 km (0.084 R)
• M67: 28,134,124 km (0.104 R)
• M68: 28,487,773 km (0.106 R)
• M69: 29,148,696 km (0.116 R)
• M70: 29,711,783 km (0.08 R)
• M71: 30,020,403 km (0.113 R)
• M72: 31,109,176 km (0.081 R)
• M73: 31,684,679 km (0.114 R)
• M74: 33,111,993 km (0.1 R)
• M75: 33,592,351 km (0.069 R)
• M76: 34,128,959 km (0.095 R)
• M77: 34,668,259 km (0.096 R)
• M78: 34,776,568 km (0.116 R)
• M79: 35,264,856 km (0.11 R)
• M80: 35,482,670 km (0.104 R)
• M81: 35,591,727 km (0.074 R)
• M82: 35,974,249 km (0.104 R)

Kuiper Belt

Range: 30.5 - 56.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 13,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit