🌌 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: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.62 AU - 0.96 AU

Year: 251 Days

Day: 21.6 Hours

Environment

Temp: 126 °C

Axial Tilt: 24.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,835,690 km

• M1: 522,845 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.72 AU - 0.98 AU

Year: 281 Days

Day: 13 Hours

Environment

Temp: 175 °C

Axial Tilt: 6.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.91 AU - 1.07 AU

Year: 353 Days

Day: 23.6 Hours

Environment

Temp: 132 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.96 AU - 1.28 AU

Year: 425 Days

Day: 32.3 Hours

Environment

Temp: 29 °C

Axial Tilt: 23.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 47,835,690 km

• M1: 46,974 km (0.083 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.34 AU - 2.18 AU

Year: 836 Days

Day: 32.5 Hours

Environment

Temp: -54 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.45 AU - 2.15 AU

Year: 865 Days

Day: 24.5 Hours

Environment

Temp: -39 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.1 AU - 3.86 AU

Year: 2325 Days

Day: 39.6 Hours

Environment

Temp: -100 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 11.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.5

Radius: 10.8

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 9.55 AU - 14.27 AU

Year: 14721 Days

Day: 7.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 143.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 47,835,690 km

• M1: 195,824 km (0.1 R)
• M2: 392,096 km (0.117 R)
• M3: 554,260 km (0.086 R)
• M4: 663,467 km (0.107 R)
• M5: 801,246 km (0.119 R)
• M6: 993,180 km (0.061 R)
• M7: 1,060,649 km (0.064 R)
• M8: 2,107,834 km (0.087 R)
• M9: 2,196,396 km (0.093 R)
• M10: 2,438,894 km (0.11 R)
• M11: 3,886,253 km (0.074 R)
• M12: 3,995,759 km (0.073 R)
• M13: 5,066,431 km (0.118 R)
• M14: 5,428,757 km (0.048 R)
• M15: 5,551,427 km (0.063 R)
• M16: 5,924,824 km (0.026 R)
• M17: 6,652,617 km (0.073 R)
• M18: 6,740,132 km (0.037 R)
• M19: 7,004,920 km (0.097 R)
• M20: 7,544,819 km (0.06 R)
• M21: 9,587,728 km (0.105 R)
• M22: 10,746,513 km (0.099 R)
• M23: 10,849,436 km (0.065 R)
• M24: 11,316,331 km (0.053 R)
• M25: 12,323,723 km (0.114 R)
• M26: 13,139,181 km (0.057 R)
• M27: 13,414,890 km (0.091 R)
• M28: 14,310,084 km (0.058 R)
• M29: 15,864,106 km (0.093 R)
• M30: 16,631,244 km (0.097 R)
• M31: 16,750,474 km (0.094 R)
• M32: 16,989,531 km (0.082 R)
• M33: 17,109,508 km (0.115 R)
• M34: 17,592,111 km (0.044 R)
• M35: 18,079,351 km (0.12 R)
• M36: 18,447,661 km (0.057 R)
• M37: 18,570,930 km (0.102 R)
• M38: 19,129,379 km (0.066 R)
• M39: 19,379,207 km (0.035 R)
• M40: 19,630,233 km (0.091 R)
• M41: 20,326,162 km (0.045 R)
• M42: 20,965,693 km (0.095 R)
• M43: 22,330,474 km (0.089 R)
• M44: 23,522,919 km (0.07 R)
• M45: 24,736,008 km (0.065 R)
• M46: 25,831,364 km (0.037 R)
• M47: 26,176,935 km (0.116 R)
• M48: 26,315,462 km (0.083 R)
• M49: 26,942,427 km (0.09 R)
• M50: 27,786,009 km (0.099 R)
• M51: 27,856,769 km (0.054 R)
• M52: 28,995,957 km (0.071 R)
• M53: 30,005,144 km (0.04 R)
• M54: 30,733,087 km (0.084 R)
• M55: 33,101,371 km (0.042 R)
• M56: 35,527,849 km (0.089 R)
• M57: 35,758,229 km (0.059 R)
• M58: 36,297,829 km (0.032 R)
• M59: 36,375,171 km (0.116 R)
• M60: 40,790,552 km (0.066 R)
• M61: 41,758,600 km (0.08 R)
• M62: 42,164,160 km (0.113 R)
• M63: 42,571,066 km (0.115 R)
• M64: 42,979,169 km (0.117 R)
• M65: 43,060,999 km (0.088 R)
• M66: 44,294,134 km (0.103 R)
• M67: 46,207,192 km (0.11 R)
• M68: 46,710,738 km (0.072 R)
• M69: 47,300,603 km (0.119 R)
• M70: 49,855,884 km (0.114 R)
• M71: 51,236,972 km (0.104 R)
• M72: 54,833,155 km (0.119 R)
• M73: 54,921,866 km (0.093 R)
• M74: 55,811,674 km (0.084 R)
• M75: 57,515,594 km (0.063 R)
• M76: 58,781,940 km (0.042 R)
• M77: 60,057,561 km (0.116 R)
• M78: 61,526,463 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.4

Radius: 3.3

Gravity: 22.81 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 10.82 AU - 14.94 AU

Year: 16556 Days

Day: 16 Hours

Environment

Temp: -178 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 47,835,690 km

• M1: 48,919 km (0.112 R)
• M2: 340,634 km (0.058 R)
• M3: 575,353 km (0.086 R)
• M4: 674,387 km (0.102 R)
• M5: 814,860 km (0.09 R)
• M6: 1,003,203 km (0.117 R)
• M7: 1,204,562 km (0.095 R)
• M8: 1,575,116 km (0.053 R)
• M9: 1,598,004 km (0.119 R)
• M10: 1,713,943 km (0.082 R)
• M11: 2,003,115 km (0.119 R)
• M12: 2,153,312 km (0.112 R)
• M13: 2,229,756 km (0.063 R)
• M14: 2,544,660 km (0.039 R)
• M15: 2,680,046 km (0.096 R)
• M16: 2,845,501 km (0.075 R)
• M17: 3,361,614 km (0.119 R)
• M18: 3,570,004 km (0.111 R)
• M19: 3,630,292 km (0.059 R)
• M20: 3,660,660 km (0.103 R)
• M21: 3,999,349 km (0.082 R)
• M22: 4,156,577 km (0.038 R)
• M23: 4,220,156 km (0.038 R)
• M24: 4,252,020 km (0.059 R)
• M25: 4,477,165 km (0.046 R)
• M26: 5,210,195 km (0.105 R)
• M27: 5,520,610 km (0.083 R)
• M28: 5,555,467 km (0.097 R)
• M29: 5,695,640 km (0.082 R)
• M30: 5,801,555 km (0.089 R)
• M31: 6,123,190 km (0.118 R)
• M32: 6,414,009 km (0.109 R)
• M33: 6,634,965 km (0.086 R)
• M34: 6,709,165 km (0.09 R)
• M35: 7,389,536 km (0.117 R)
• M36: 7,621,264 km (0.056 R)
• M37: 9,060,395 km (0.11 R)
• M38: 9,225,401 km (0.045 R)
• M39: 9,768,292 km (0.096 R)
• M40: 10,065,094 km (0.076 R)
• M41: 10,493,991 km (0.068 R)
• M42: 10,667,226 km (0.087 R)
• M43: 11,104,500 km (0.041 R)
• M44: 11,148,482 km (0.036 R)
• M45: 12,313,999 km (0.086 R)
• M46: 12,772,517 km (0.061 R)
• M47: 13,376,892 km (0.027 R)
• M48: 13,611,761 km (0.066 R)
• M49: 14,276,873 km (0.067 R)
• M50: 15,196,152 km (0.037 R)
• M51: 16,134,430 km (0.1 R)
• M52: 16,184,395 km (0.101 R)
• M53: 17,142,121 km (0.116 R)
• M54: 18,014,725 km (0.109 R)
• M55: 19,217,941 km (0.107 R)
• M56: 19,270,749 km (0.108 R)
• M57: 20,717,360 km (0.093 R)
• M58: 21,043,484 km (0.077 R)
• M59: 21,535,960 km (0.11 R)
• M60: 22,309,530 km (0.1 R)
• M61: 23,148,475 km (0.114 R)
• M62: 23,430,318 km (0.053 R)
• M63: 24,340,022 km (0.079 R)
• M64: 24,569,206 km (0.114 R)
• M65: 25,959,719 km (0.077 R)
• M66: 26,723,416 km (0.115 R)
• M67: 29,912,393 km (0.107 R)
• M68: 32,649,586 km (0.061 R)
• M69: 33,028,966 km (0.118 R)
• M70: 33,856,093 km (0.11 R)
• M71: 34,047,877 km (0.087 R)
• M72: 35,725,468 km (0.09 R)
• M73: 35,920,842 km (0.109 R)
• M74: 36,508,762 km (0.089 R)
• M75: 36,574,286 km (0.086 R)
• M76: 36,836,830 km (0.077 R)
• M77: 36,902,504 km (0.118 R)
• M78: 37,959,413 km (0.114 R)
• M79: 38,092,255 km (0.109 R)
• M80: 38,892,454 km (0.087 R)
• M81: 39,093,364 km (0.105 R)
• M82: 39,361,743 km (0.11 R)
• M83: 41,189,380 km (0.112 R)
• M84: 41,736,160 km (0.12 R)
• M85: 42,767,937 km (0.109 R)
• M86: 42,906,165 km (0.102 R)
• M87: 43,391,012 km (0.109 R)
• M88: 43,738,378 km (0.064 R)
• M89: 43,808,091 km (0.071 R)
• M90: 44,856,473 km (0.088 R)
• M91: 45,137,418 km (0.072 R)
• M92: 45,207,729 km (0.086 R)
• M93: 46,054,602 km (0.083 R)
• M94: 47,620,742 km (0.116 R)

Kuiper Belt

Range: 30.6 - 54.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 12,804 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit