🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.85 AU - 0.99 AU

Year: 319 Days

Day: 34.6 Hours

Environment

Temp: 81 °C

Axial Tilt: 19.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 23,302,051 km

• M1: 137,331 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.98 AU - 1.04 AU

Year: 367 Days

Day: 27.5 Hours

Environment

Temp: 46 °C

Axial Tilt: 19.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 23,302,051 km

• M1: 491,579 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.54 AU - 3.92 AU

Year: 2099 Days

Day: 42.5 Hours

Environment

Temp: -110 °C

Axial Tilt: 7.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.25 AU - 3.29 AU

Year: 2139 Days

Day: 39.9 Hours

Environment

Temp: -105 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.4

Radius: 12.4

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.16 AU - 5.86 AU

Year: 4678 Days

Day: 6.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 23,302,051 km

• M1: 210,634 km (0.119 R)
• M2: 336,894 km (0.093 R)
• M3: 438,471 km (0.098 R)
• M4: 523,892 km (0.03 R)
• M5: 616,493 km (0.097 R)
• M6: 715,826 km (0.071 R)
• M7: 1,242,111 km (0.057 R)
• M8: 1,342,940 km (0.116 R)
• M9: 1,537,866 km (0.109 R)
• M10: 1,807,292 km (0.106 R)
• M11: 1,906,176 km (0.103 R)
• M12: 2,161,540 km (0.09 R)
• M13: 2,284,509 km (0.107 R)
• M14: 2,373,969 km (0.062 R)
• M15: 2,482,726 km (0.037 R)
• M16: 2,705,627 km (0.082 R)
• M17: 3,091,739 km (0.051 R)
• M18: 3,578,531 km (0.1 R)
• M19: 4,331,606 km (0.106 R)
• M20: 4,443,206 km (0.106 R)
• M21: 4,533,264 km (0.066 R)
• M22: 4,806,879 km (0.052 R)
• M23: 5,180,125 km (0.097 R)
• M24: 5,298,757 km (0.12 R)
• M25: 5,394,350 km (0.029 R)
• M26: 5,856,308 km (0.092 R)
• M27: 6,483,422 km (0.11 R)
• M28: 6,922,193 km (0.111 R)
• M29: 7,105,749 km (0.075 R)
• M30: 7,828,606 km (0.027 R)
• M31: 8,519,000 km (0.118 R)
• M32: 9,028,082 km (0.105 R)
• M33: 10,705,074 km (0.063 R)
• M34: 10,856,766 km (0.116 R)
• M35: 10,978,539 km (0.103 R)
• M36: 11,254,397 km (0.093 R)
• M37: 11,532,500 km (0.082 R)
• M38: 11,719,198 km (0.091 R)
• M39: 11,844,262 km (0.111 R)
• M40: 11,938,359 km (0.076 R)
• M41: 12,285,426 km (0.058 R)
• M42: 12,444,299 km (0.096 R)
• M43: 12,989,434 km (0.101 R)
• M44: 13,086,523 km (0.039 R)
• M45: 13,248,836 km (0.027 R)
• M46: 13,411,748 km (0.105 R)
• M47: 14,403,283 km (0.114 R)
• M48: 15,384,196 km (0.081 R)
• M49: 15,727,523 km (0.109 R)
• M50: 16,526,675 km (0.048 R)
• M51: 17,911,802 km (0.109 R)
• M52: 18,236,728 km (0.099 R)
• M53: 18,345,486 km (0.087 R)
• M54: 18,563,600 km (0.039 R)
• M55: 19,149,575 km (0.057 R)
• M56: 19,407,781 km (0.063 R)
• M57: 19,555,882 km (0.039 R)
• M58: 19,667,183 km (0.118 R)
• M59: 20,565,518 km (0.081 R)
• M60: 20,792,159 km (0.051 R)
• M61: 21,324,129 km (0.113 R)
• M62: 22,479,474 km (0.118 R)
• M63: 24,051,298 km (0.077 R)
• M64: 24,329,999 km (0.104 R)
• M65: 24,529,712 km (0.119 R)
• M66: 24,810,358 km (0.1 R)
• M67: 24,930,934 km (0.082 R)
• M68: 25,092,051 km (0.104 R)
• M69: 25,334,250 km (0.079 R)
• M70: 26,106,474 km (0.116 R)
• M71: 26,639,342 km (0.081 R)
• M72: 27,010,344 km (0.112 R)
• M73: 27,715,698 km (0.093 R)
• M74: 27,840,912 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.4

Radius: 11.5

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.45 AU - 7.01 AU

Year: 6314 Days

Day: 8.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 23,302,051 km

• M1: 148,850 km (0.072 R)
• M2: 229,184 km (0.116 R)
• M3: 307,872 km (0.08 R)
• M4: 449,990 km (0.074 R)
• M5: 590,463 km (0.096 R)
• M6: 737,368 km (0.119 R)
• M7: 976,425 km (0.084 R)
• M8: 1,069,774 km (0.086 R)
• M9: 1,142,030 km (0.088 R)
• M10: 1,241,064 km (0.06 R)
• M11: 1,395,299 km (0.118 R)
• M12: 1,542,653 km (0.099 R)
• M13: 1,941,182 km (0.051 R)
• M14: 2,061,010 km (0.103 R)
• M15: 2,229,906 km (0.1 R)
• M16: 2,419,596 km (0.087 R)
• M17: 3,072,740 km (0.1 R)
• M18: 3,231,015 km (0.088 R)
• M19: 3,356,079 km (0.077 R)
• M20: 3,537,541 km (0.111 R)
• M21: 3,648,094 km (0.085 R)
• M22: 3,722,444 km (0.077 R)
• M23: 3,797,243 km (0.111 R)
• M24: 4,653,541 km (0.117 R)
• M25: 4,959,020 km (0.058 R)
• M26: 5,376,398 km (0.063 R)
• M27: 5,740,220 km (0.094 R)
• M28: 6,536,978 km (0.102 R)
• M29: 6,696,001 km (0.027 R)
• M30: 6,856,220 km (0.116 R)
• M31: 7,134,023 km (0.094 R)
• M32: 7,344,807 km (0.093 R)
• M33: 7,486,476 km (0.113 R)
• M34: 7,820,528 km (0.099 R)
• M35: 7,965,339 km (0.083 R)
• M36: 8,038,043 km (0.05 R)
• M37: 8,454,075 km (0.1 R)
• M38: 9,358,394 km (0.109 R)
• M39: 10,083,046 km (0.062 R)
• M40: 10,293,381 km (0.055 R)
• M41: 10,852,578 km (0.053 R)
• M42: 10,987,216 km (0.109 R)
• M43: 11,149,380 km (0.12 R)
• M44: 11,531,153 km (0.119 R)
• M45: 12,223,492 km (0.085 R)
• M46: 12,447,889 km (0.101 R)
• M47: 12,673,632 km (0.029 R)
• M48: 12,843,875 km (0.093 R)
• M49: 12,929,295 km (0.096 R)
• M50: 13,129,308 km (0.033 R)
• M51: 13,387,962 km (0.095 R)
• M52: 13,735,478 km (0.11 R)
• M53: 14,056,665 km (0.039 R)
• M54: 14,144,628 km (0.114 R)
• M55: 14,439,486 km (0.12 R)
• M56: 14,855,517 km (0.094 R)
• M57: 15,638,812 km (0.101 R)
• M58: 16,158,216 km (0.092 R)
• M59: 16,652,188 km (0.077 R)
• M60: 17,025,883 km (0.025 R)
• M61: 17,402,571 km (0.049 R)
• M62: 17,655,092 km (0.09 R)
• M63: 18,484,313 km (0.079 R)
• M64: 18,742,070 km (0.104 R)
• M65: 20,015,447 km (0.034 R)
• M66: 20,180,753 km (0.097 R)
• M67: 20,579,281 km (0.051 R)
• M68: 20,846,463 km (0.035 R)
• M69: 21,047,523 km (0.115 R)
• M70: 22,782,858 km (0.081 R)
• M71: 23,267,256 km (0.056 R)

Kuiper Belt

Range: 30.3 - 54.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 16,544 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit