🌌 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: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.71 AU - 0.89 AU

Year: 263 Days

Day: 32.8 Hours

Environment

Temp: 117 °C

Axial Tilt: 2.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.77 AU - 1.07 AU

Year: 324 Days

Day: 47.9 Hours

Environment

Temp: 142 °C

Axial Tilt: 8.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.96 AU - 1.24 AU

Year: 424 Days

Day: 19.3 Hours

Environment

Temp: 15 °C

Axial Tilt: 36.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.06 AU - 1.36 AU

Year: 489 Days

Day: 15.2 Hours

Environment

Temp: 8 °C

Axial Tilt: 39.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.31 AU - 1.33 AU

Year: 557 Days

Day: 26.3 Hours

Environment

Temp: 7 °C

Axial Tilt: 4.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.15 AU - 1.73 AU

Year: 634 Days

Day: 20.7 Hours

Environment

Temp: -42 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.88 AU - 3.4 AU

Year: 2043 Days

Day: 30.8 Hours

Environment

Temp: -105 °C

Axial Tilt: 168.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.9

Radius: 11.2

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.51 AU - 8.05 AU

Year: 7966 Days

Day: 8.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 76,432,063 km

• M1: 143,315 km (0.043 R)
• M2: 230,979 km (0.096 R)
• M3: 374,743 km (0.102 R)
• M4: 586,424 km (0.071 R)
• M5: 772,374 km (0.063 R)
• M6: 1,014,872 km (0.046 R)
• M7: 1,184,067 km (0.109 R)
• M8: 1,342,641 km (0.119 R)
• M9: 1,615,657 km (0.1 R)
• M10: 1,703,321 km (0.038 R)
• M11: 2,118,306 km (0.095 R)
• M12: 2,312,783 km (0.118 R)
• M13: 2,513,394 km (0.096 R)
• M14: 2,851,635 km (0.094 R)
• M15: 3,067,056 km (0.092 R)
• M16: 3,485,630 km (0.097 R)
• M17: 3,804,274 km (0.095 R)
• M18: 4,011,916 km (0.08 R)
• M19: 4,102,123 km (0.113 R)
• M20: 4,847,869 km (0.1 R)
• M21: 5,368,320 km (0.089 R)
• M22: 5,601,692 km (0.107 R)
• M23: 5,702,820 km (0.112 R)
• M24: 5,838,506 km (0.118 R)
• M25: 6,746,565 km (0.076 R)
• M26: 6,926,232 km (0.105 R)
• M27: 7,071,192 km (0.054 R)
• M28: 7,180,548 km (0.072 R)
• M29: 7,586,407 km (0.051 R)
• M30: 8,075,592 km (0.05 R)
• M31: 8,536,354 km (0.073 R)
• M32: 9,045,136 km (0.06 R)
• M33: 9,725,507 km (0.049 R)
• M34: 10,133,311 km (0.111 R)
• M35: 10,965,973 km (0.064 R)
• M36: 11,177,504 km (0.068 R)
• M37: 11,262,476 km (0.118 R)
• M38: 11,690,924 km (0.055 R)
• M39: 12,211,973 km (0.119 R)
• M40: 12,387,302 km (0.105 R)
• M41: 12,829,513 km (0.108 R)
• M42: 13,097,294 km (0.11 R)
• M43: 13,186,903 km (0.058 R)
• M44: 13,683,867 km (0.057 R)
• M45: 15,023,067 km (0.116 R)
• M46: 16,452,026 km (0.113 R)
• M47: 16,889,300 km (0.063 R)
• M48: 17,874,402 km (0.095 R)
• M49: 18,273,679 km (0.091 R)
• M50: 18,373,910 km (0.1 R)
• M51: 18,575,119 km (0.061 R)
• M52: 20,054,941 km (0.089 R)
• M53: 20,365,805 km (0.116 R)
• M54: 23,507,211 km (0.115 R)
• M55: 24,219,446 km (0.042 R)
• M56: 24,661,209 km (0.099 R)
• M57: 24,883,212 km (0.088 R)
• M58: 25,721,259 km (0.113 R)
• M59: 26,002,653 km (0.108 R)
• M60: 26,682,276 km (0.05 R)
• M61: 26,853,117 km (0.04 R)
• M62: 28,059,025 km (0.082 R)
• M63: 30,940,729 km (0.107 R)
• M64: 32,386,293 km (0.089 R)
• M65: 32,629,390 km (0.058 R)
• M66: 34,285,887 km (0.083 R)
• M67: 34,409,754 km (0.057 R)
• M68: 34,533,621 km (0.098 R)
• M69: 34,719,871 km (0.095 R)
• M70: 34,844,186 km (0.096 R)
• M71: 35,093,267 km (0.047 R)
• M72: 35,906,930 km (0.075 R)
• M73: 37,808,019 km (0.069 R)
• M74: 39,029,037 km (0.095 R)
• M75: 39,936,947 km (0.087 R)
• M76: 40,067,097 km (0.043 R)
• M77: 40,393,370 km (0.081 R)
• M78: 40,655,166 km (0.078 R)
• M79: 41,048,758 km (0.114 R)
• M80: 41,180,105 km (0.108 R)
• M81: 42,038,198 km (0.087 R)
• M82: 42,436,129 km (0.092 R)
• M83: 42,702,114 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.4

Radius: 5.2

Gravity: 28.57 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 13.8 AU - 13.94 AU

Year: 18962 Days

Day: 24 Hours

Environment

Temp: -184 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 76,432,063 km

• M1: 67,020 km (0.101 R)
• M2: 119,379 km (0.063 R)
• M3: 191,186 km (0.095 R)
• M4: 249,080 km (0.096 R)
• M5: 348,563 km (0.119 R)
• M6: 461,509 km (0.11 R)
• M7: 698,622 km (0.107 R)
• M8: 1,049,728 km (0.074 R)
• M9: 1,272,330 km (0.096 R)
• M10: 1,330,224 km (0.109 R)
• M11: 1,664,725 km (0.052 R)
• M12: 2,336,120 km (0.118 R)
• M13: 2,888,884 km (0.103 R)
• M14: 3,081,866 km (0.05 R)
• M15: 3,279,036 km (0.108 R)
• M16: 3,318,829 km (0.109 R)
• M17: 3,768,819 km (0.056 R)
• M18: 4,501,250 km (0.075 R)
• M19: 4,634,991 km (0.045 R)
• M20: 4,815,406 km (0.032 R)
• M21: 4,998,065 km (0.052 R)
• M22: 6,141,292 km (0.033 R)
• M23: 6,389,325 km (0.07 R)
• M24: 6,539,671 km (0.11 R)
• M25: 8,106,709 km (0.093 R)
• M26: 8,269,471 km (0.096 R)
• M27: 8,324,074 km (0.109 R)
• M28: 8,764,490 km (0.115 R)
• M29: 8,931,591 km (0.094 R)
• M30: 9,840,548 km (0.054 R)
• M31: 9,898,442 km (0.043 R)
• M32: 10,364,739 km (0.046 R)
• M33: 10,423,531 km (0.108 R)
• M34: 10,778,676 km (0.058 R)
• M35: 11,197,999 km (0.069 R)
• M36: 11,440,048 km (0.117 R)
• M37: 12,052,652 km (0.085 R)
• M38: 12,487,832 km (0.107 R)
• M39: 12,991,378 km (0.114 R)
• M40: 13,823,890 km (0.079 R)
• M41: 14,475,988 km (0.112 R)
• M42: 15,137,958 km (0.041 R)
• M43: 15,674,715 km (0.102 R)
• M44: 15,809,802 km (0.05 R)
• M45: 18,450,055 km (0.067 R)
• M46: 18,521,413 km (0.072 R)
• M47: 19,239,483 km (0.082 R)
• M48: 20,554,897 km (0.099 R)
• M49: 20,925,451 km (0.08 R)
• M50: 20,999,801 km (0.062 R)
• M51: 22,658,093 km (0.1 R)
• M52: 26,098,545 km (0.116 R)
• M53: 26,822,001 km (0.043 R)
• M54: 27,308,044 km (0.117 R)
• M55: 28,700,651 km (0.116 R)
• M56: 29,197,764 km (0.111 R)
• M57: 29,697,720 km (0.095 R)
• M58: 35,645,732 km (0.111 R)
• M59: 37,436,568 km (0.079 R)
• M60: 37,888,802 km (0.079 R)
• M61: 38,070,265 km (0.088 R)
• M62: 42,133,642 km (0.078 R)
• M63: 42,603,978 km (0.111 R)
• M64: 42,981,563 km (0.071 R)
• M65: 43,455,189 km (0.112 R)
• M66: 43,550,035 km (0.052 R)
• M67: 44,790,201 km (0.073 R)
• M68: 45,655,475 km (0.11 R)
• M69: 46,332,256 km (0.074 R)
• M70: 47,402,628 km (0.035 R)
• M71: 54,503,890 km (0.104 R)
• M72: 54,913,788 km (0.112 R)
• M73: 56,252,839 km (0.073 R)
• M74: 56,978,239 km (0.084 R)
• M75: 58,857,786 km (0.087 R)
• M76: 58,962,804 km (0.047 R)
• M77: 60,545,549 km (0.105 R)
• M78: 62,249,320 km (0.038 R)
• M79: 62,463,245 km (0.052 R)
• M80: 62,570,357 km (0.097 R)
• M81: 63,429,647 km (0.111 R)
• M82: 66,358,025 km (0.11 R)
• M83: 66,795,599 km (0.079 R)
• M84: 67,124,415 km (0.109 R)
• M85: 67,234,220 km (0.077 R)
• M86: 67,563,634 km (0.111 R)
• M87: 68,334,662 km (0.095 R)
• M88: 71,896,138 km (0.114 R)
• M89: 72,345,530 km (0.068 R)
• M90: 73,134,210 km (0.088 R)
• M91: 74,039,128 km (0.104 R)
• M92: 75,517,454 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 15,714 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit