🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.67 AU - 0.91 AU

Year: 250 Days

Day: 44.4 Hours

Environment

Temp: 145 °C

Axial Tilt: 31.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.84 AU - 0.86 AU

Year: 279 Days

Day: 27.3 Hours

Environment

Temp: 167 °C

Axial Tilt: 15.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.93 AU - 1.45 AU

Year: 463 Days

Day: 32.6 Hours

Environment

Temp: 4 °C

Axial Tilt: 29.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.63 AU - 2.07 AU

Year: 897 Days

Day: 27.7 Hours

Environment

Temp: -48 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,163,495 km

• M1: 248,332 km (0.036 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.94 AU - 2.58 AU

Year: 1211 Days

Day: 30.7 Hours

Environment

Temp: -64 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,163,495 km

• M1: 1,472,641 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.4

Radius: 10.4

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.01 AU - 6.09 AU

Year: 4661 Days

Day: 5.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 55,163,495 km

• M1: 220,058 km (0.116 R)
• M2: 376,388 km (0.115 R)
• M3: 648,656 km (0.077 R)
• M4: 910,153 km (0.108 R)
• M5: 1,083,388 km (0.114 R)
• M6: 1,720,226 km (0.115 R)
• M7: 1,827,488 km (0.086 R)
• M8: 1,937,143 km (0.076 R)
• M9: 2,240,079 km (0.092 R)
• M10: 2,891,278 km (0.098 R)
• M11: 3,041,325 km (0.103 R)
• M12: 3,150,082 km (0.119 R)
• M13: 3,326,907 km (0.115 R)
• M14: 3,416,516 km (0.103 R)
• M15: 3,667,242 km (0.058 R)
• M16: 3,853,492 km (0.103 R)
• M17: 4,186,796 km (0.113 R)
• M18: 4,430,790 km (0.052 R)
• M19: 6,376,310 km (0.109 R)
• M20: 6,685,529 km (0.077 R)
• M21: 6,999,684 km (0.085 R)
• M22: 7,202,240 km (0.076 R)
• M23: 7,524,324 km (0.117 R)
• M24: 7,821,276 km (0.069 R)
• M25: 8,457,516 km (0.108 R)
• M26: 8,890,901 km (0.092 R)
• M27: 9,141,776 km (0.105 R)
• M28: 10,168,766 km (0.025 R)
• M29: 10,530,194 km (0.112 R)
• M30: 10,695,949 km (0.08 R)
• M31: 12,963,254 km (0.081 R)
• M32: 13,212,185 km (0.078 R)
• M33: 13,968,552 km (0.062 R)
• M34: 14,260,417 km (0.045 R)
• M35: 14,443,824 km (0.112 R)
• M36: 14,850,281 km (0.085 R)
• M37: 14,998,982 km (0.052 R)
• M38: 15,110,731 km (0.071 R)
• M39: 15,260,329 km (0.12 R)
• M40: 15,598,720 km (0.108 R)
• M41: 15,787,662 km (0.057 R)
• M42: 15,939,504 km (0.112 R)
• M43: 16,168,089 km (0.1 R)
• M44: 17,405,413 km (0.11 R)
• M45: 17,522,997 km (0.066 R)
• M46: 17,798,407 km (0.099 R)
• M47: 18,194,243 km (0.107 R)
• M48: 19,970,418 km (0.036 R)
• M49: 20,093,388 km (0.116 R)
• M50: 20,381,663 km (0.057 R)
• M51: 20,754,311 km (0.116 R)
• M52: 21,843,383 km (0.082 R)
• M53: 21,927,906 km (0.083 R)
• M54: 22,437,437 km (0.036 R)
• M55: 22,736,483 km (0.083 R)
• M56: 22,908,072 km (0.087 R)
• M57: 22,993,941 km (0.078 R)
• M58: 23,079,959 km (0.094 R)
• M59: 23,252,296 km (0.065 R)
• M60: 23,684,933 km (0.103 R)
• M61: 24,251,610 km (0.096 R)
• M62: 24,558,435 km (0.101 R)
• M63: 24,822,625 km (0.098 R)
• M64: 25,176,125 km (0.101 R)
• M65: 25,576,000 km (0.056 R)
• M66: 25,709,740 km (0.08 R)
• M67: 26,471,942 km (0.12 R)
• M68: 27,560,565 km (0.059 R)
• M69: 27,697,747 km (0.102 R)
• M70: 28,156,414 km (0.069 R)
• M71: 28,340,569 km (0.094 R)
• M72: 28,895,577 km (0.064 R)
• M73: 29,407,501 km (0.116 R)
• M74: 30,345,778 km (0.066 R)
• M75: 30,440,175 km (0.067 R)
• M76: 30,771,235 km (0.093 R)
• M77: 30,961,075 km (0.108 R)
• M78: 31,532,538 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.4

Radius: 13.1

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 10.08 AU - 15.4 AU

Year: 16209 Days

Day: 5.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 55,163,495 km

• M1: 180,714 km (0.115 R)
• M2: 533,466 km (0.105 R)
• M3: 774,319 km (0.108 R)
• M4: 1,166,863 km (0.112 R)
• M5: 1,393,953 km (0.118 R)
• M6: 1,489,097 km (0.091 R)
• M7: 1,586,485 km (0.103 R)
• M8: 1,703,022 km (0.12 R)
• M9: 1,822,551 km (0.069 R)
• M10: 1,927,269 km (0.042 R)
• M11: 2,235,591 km (0.11 R)
• M12: 2,718,044 km (0.052 R)
• M13: 3,148,586 km (0.118 R)
• M14: 3,404,399 km (0.092 R)
• M15: 4,542,839 km (0.118 R)
• M16: 4,881,528 km (0.116 R)
• M17: 5,078,848 km (0.114 R)
• M18: 5,278,710 km (0.047 R)
• M19: 5,712,395 km (0.067 R)
• M20: 6,104,640 km (0.077 R)
• M21: 6,695,851 km (0.067 R)
• M22: 7,137,464 km (0.084 R)
• M23: 8,966,896 km (0.097 R)
• M24: 9,917,890 km (0.104 R)
• M25: 10,011,688 km (0.077 R)
• M26: 10,168,466 km (0.095 R)
• M27: 10,740,230 km (0.118 R)
• M28: 10,868,734 km (0.117 R)
• M29: 10,997,687 km (0.11 R)
• M30: 11,453,063 km (0.097 R)
• M31: 11,914,872 km (0.043 R)
• M32: 12,449,984 km (0.12 R)
• M33: 12,618,880 km (0.075 R)
• M34: 12,993,024 km (0.048 R)
• M35: 13,439,873 km (0.112 R)
• M36: 14,882,445 km (0.097 R)
• M37: 15,025,760 km (0.114 R)
• M38: 16,521,738 km (0.085 R)
• M39: 17,005,987 km (0.097 R)
• M40: 17,684,263 km (0.06 R)
• M41: 17,874,103 km (0.109 R)
• M42: 18,294,473 km (0.114 R)
• M43: 19,692,914 km (0.114 R)
• M44: 19,929,279 km (0.1 R)
• M45: 22,017,366 km (0.102 R)
• M46: 22,880,246 km (0.107 R)
• M47: 23,128,878 km (0.103 R)
• M48: 23,211,905 km (0.112 R)
• M49: 23,503,321 km (0.037 R)
• M50: 24,851,348 km (0.032 R)
• M51: 26,224,357 km (0.113 R)
• M52: 26,745,556 km (0.067 R)
• M53: 27,270,196 km (0.079 R)
• M54: 27,533,787 km (0.089 R)
• M55: 29,043,529 km (0.092 R)
• M56: 29,627,858 km (0.091 R)
• M57: 30,125,271 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.8

Radius: 4.8

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 12.09 AU - 16.83 AU

Year: 19600 Days

Day: 23.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 55,163,495 km

• M1: 227,389 km (0.101 R)
• M2: 675,734 km (0.103 R)
• M3: 1,330,075 km (0.063 R)
• M4: 1,449,454 km (0.102 R)
• M5: 1,776,176 km (0.026 R)
• M6: 1,881,193 km (0.114 R)
• M7: 2,097,512 km (0.108 R)
• M8: 3,260,934 km (0.103 R)
• M9: 3,786,621 km (0.039 R)
• M10: 3,854,090 km (0.108 R)
• M11: 4,302,884 km (0.119 R)
• M12: 4,515,612 km (0.064 R)
• M13: 6,257,230 km (0.117 R)
• M14: 6,783,067 km (0.106 R)
• M15: 6,906,335 km (0.101 R)
• M16: 8,978,715 km (0.069 R)
• M17: 9,755,277 km (0.113 R)
• M18: 10,316,419 km (0.061 R)
• M19: 10,839,862 km (0.049 R)
• M20: 13,480,563 km (0.074 R)
• M21: 14,052,326 km (0.065 R)
• M22: 14,209,554 km (0.099 R)
• M23: 14,420,337 km (0.034 R)
• M24: 15,814,589 km (0.114 R)
• M25: 15,869,043 km (0.088 R)
• M26: 15,923,646 km (0.069 R)
• M27: 15,978,249 km (0.04 R)
• M28: 19,483,477 km (0.105 R)
• M29: 19,600,313 km (0.059 R)
• M30: 19,717,448 km (0.034 R)
• M31: 21,321,287 km (0.081 R)
• M32: 21,743,901 km (0.084 R)
• M33: 24,274,050 km (0.108 R)
• M34: 24,399,862 km (0.068 R)
• M35: 24,778,494 km (0.095 R)
• M36: 26,830,677 km (0.057 R)
• M37: 28,074,733 km (0.105 R)
• M38: 28,670,582 km (0.118 R)
• M39: 28,936,716 km (0.06 R)
• M40: 30,076,951 km (0.097 R)
• M41: 30,212,038 km (0.102 R)
• M42: 31,300,213 km (0.073 R)
• M43: 32,193,761 km (0.092 R)
• M44: 32,331,840 km (0.116 R)
• M45: 32,886,698 km (0.118 R)
• M46: 32,956,261 km (0.115 R)
• M47: 35,279,516 km (0.078 R)
• M48: 35,564,650 km (0.098 R)
• M49: 36,137,310 km (0.078 R)
• M50: 36,785,219 km (0.101 R)
• M51: 38,019,401 km (0.088 R)
• M52: 43,853,419 km (0.083 R)
• M53: 43,930,013 km (0.094 R)
• M54: 45,859,078 km (0.119 R)
• M55: 47,108,070 km (0.089 R)
• M56: 48,843,705 km (0.12 R)
• M57: 49,639,565 km (0.1 R)
• M58: 49,799,186 km (0.067 R)
• M59: 49,959,107 km (0.059 R)
• M60: 52,539,819 km (0.064 R)
• M61: 53,518,638 km (0.119 R)
• M62: 54,092,496 km (0.07 R)
• M63: 55,163,467 km (0.047 R)

Kuiper Belt

Range: 30.8 - 48.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 14,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit