🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.41 AU - 0.67 AU

Year: 146 Days

Day: 29.3 Hours

Environment

Temp: 204 °C

Axial Tilt: 13.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.49 AU - 0.61 AU

Year: 150 Days

Day: 34.4 Hours

Environment

Temp: 204 °C

Axial Tilt: 49.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.15 AU - 3.01 AU

Year: 1529 Days

Day: 35.9 Hours

Environment

Temp: -93 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.74 AU - 2.96 AU

Year: 1775 Days

Day: 23.8 Hours

Environment

Temp: -108 °C

Axial Tilt: 47.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.77 AU - 4.41 AU

Year: 3052 Days

Day: 26.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.14 AU - 4.72 AU

Year: 3440 Days

Day: 16.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.82 AU - 5.4 AU

Year: 3652 Days

Day: 24.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 13.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.6

Radius: 5.8

Gravity: 19.88 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 11.61 AU - 15.01 AU

Year: 17916 Days

Day: 19.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 60,580,161 km

• M1: 122,221 km (0.09 R)
• M2: 227,389 km (0.096 R)
• M3: 473,178 km (0.092 R)
• M4: 530,923 km (0.118 R)
• M5: 675,285 km (0.06 R)
• M6: 718,818 km (0.08 R)
• M7: 1,101,938 km (0.105 R)
• M8: 1,425,817 km (0.073 R)
• M9: 1,540,110 km (0.118 R)
• M10: 1,901,239 km (0.117 R)
• M11: 2,321,161 km (0.099 R)
• M12: 2,733,602 km (0.056 R)
• M13: 4,142,664 km (0.079 R)
• M14: 5,289,631 km (0.119 R)
• M15: 5,333,912 km (0.065 R)
• M16: 7,302,171 km (0.054 R)
• M17: 7,750,366 km (0.085 R)
• M18: 7,851,195 km (0.053 R)
• M19: 8,054,050 km (0.081 R)
• M20: 8,361,773 km (0.082 R)
• M21: 8,673,236 km (0.042 R)
• M22: 9,147,611 km (0.033 R)
• M23: 10,342,299 km (0.048 R)
• M24: 11,758,243 km (0.068 R)
• M25: 12,341,525 km (0.101 R)
• M26: 12,400,467 km (0.088 R)
• M27: 14,332,224 km (0.108 R)
• M28: 14,704,723 km (0.115 R)
• M29: 15,777,489 km (0.064 R)
• M30: 17,137,034 km (0.082 R)
• M31: 17,930,651 km (0.081 R)
• M32: 18,804,004 km (0.102 R)
• M33: 19,007,457 km (0.072 R)
• M34: 19,075,374 km (0.085 R)
• M35: 19,966,678 km (0.093 R)
• M36: 20,035,792 km (0.089 R)
• M37: 20,871,446 km (0.118 R)
• M38: 22,432,799 km (0.116 R)
• M39: 23,154,758 km (0.088 R)
• M40: 23,664,738 km (0.045 R)
• M41: 24,104,855 km (0.025 R)
• M42: 24,695,766 km (0.045 R)
• M43: 25,516,161 km (0.105 R)
• M44: 26,421,228 km (0.084 R)
• M45: 26,573,070 km (0.066 R)
• M46: 27,030,390 km (0.086 R)
• M47: 27,567,297 km (0.038 R)
• M48: 28,340,269 km (0.032 R)
• M49: 28,807,464 km (0.05 R)
• M50: 28,963,793 km (0.094 R)
• M51: 29,749,631 km (0.087 R)
• M52: 31,502,918 km (0.117 R)
• M53: 31,905,935 km (0.066 R)
• M54: 32,067,650 km (0.085 R)
• M55: 32,148,732 km (0.09 R)
• M56: 34,526,141 km (0.052 R)
• M57: 34,775,371 km (0.064 R)
• M58: 37,044,472 km (0.118 R)
• M59: 37,299,686 km (0.058 R)
• M60: 38,068,320 km (0.112 R)
• M61: 39,795,278 km (0.112 R)
• M62: 40,580,666 km (0.045 R)
• M63: 41,371,291 km (0.115 R)
• M64: 41,547,667 km (0.057 R)
• M65: 42,344,425 km (0.097 R)
• M66: 43,414,499 km (0.1 R)
• M67: 44,583,905 km (0.118 R)
• M68: 44,945,783 km (0.032 R)
• M69: 45,490,469 km (0.086 R)
• M70: 45,672,529 km (0.067 R)
• M71: 46,403,016 km (0.105 R)
• M72: 46,953,536 km (0.092 R)
• M73: 47,137,391 km (0.109 R)
• M74: 47,968,258 km (0.034 R)
• M75: 48,432,011 km (0.105 R)
• M76: 48,990,311 km (0.075 R)
• M77: 53,437,257 km (0.058 R)
• M78: 55,562,594 km (0.062 R)
• M79: 56,147,073 km (0.04 R)
• M80: 56,733,646 km (0.101 R)
• M81: 57,617,171 km (0.067 R)
• M82: 58,307,416 km (0.07 R)
• M83: 59,000,503 km (0.102 R)
• M84: 59,099,686 km (0.108 R)
• M85: 59,497,317 km (0.107 R)
• M86: 59,795,914 km (0.05 R)
• M87: 62,304,521 km (0.067 R)
• M88: 63,520,752 km (0.082 R)
• M89: 64,438,086 km (0.056 R)
• M90: 64,847,087 km (0.04 R)
• M91: 66,388,992 km (0.083 R)
• M92: 66,698,809 km (0.091 R)
• M93: 67,631,103 km (0.069 R)
• M94: 67,942,865 km (0.119 R)
• M95: 68,985,412 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.5

Radius: 4.5

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 16.87 AU - 17.95 AU

Year: 26803 Days

Day: 22.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 60,580,161 km

• M1: 540,198 km (0.059 R)
• M2: 712,385 km (0.067 R)
• M3: 879,635 km (0.109 R)
• M4: 1,772,436 km (0.07 R)
• M5: 1,941,332 km (0.075 R)
• M6: 1,998,628 km (0.112 R)
• M7: 2,294,233 km (0.119 R)
• M8: 2,635,017 km (0.102 R)
• M9: 3,125,100 km (0.091 R)
• M10: 3,363,259 km (0.12 R)
• M11: 3,432,374 km (0.056 R)
• M12: 3,965,840 km (0.108 R)
• M13: 4,223,597 km (0.09 R)
• M14: 4,448,891 km (0.082 R)
• M15: 4,716,671 km (0.064 R)
• M16: 4,755,268 km (0.11 R)
• M17: 4,794,013 km (0.096 R)
• M18: 5,388,366 km (0.078 R)
• M19: 5,632,659 km (0.11 R)
• M20: 5,922,131 km (0.081 R)
• M21: 6,047,644 km (0.095 R)
• M22: 6,216,390 km (0.09 R)
• M23: 6,688,521 km (0.101 R)
• M24: 7,039,178 km (0.11 R)
• M25: 7,083,310 km (0.112 R)
• M26: 7,530,906 km (0.096 R)
• M27: 7,803,773 km (0.083 R)
• M28: 8,265,881 km (0.059 R)
• M29: 8,453,028 km (0.106 R)
• M30: 8,500,151 km (0.105 R)
• M31: 8,641,820 km (0.118 R)
• M32: 8,831,809 km (0.112 R)
• M33: 9,023,295 km (0.094 R)
• M34: 9,704,264 km (0.104 R)
• M35: 9,901,883 km (0.08 R)
• M36: 10,150,664 km (0.093 R)
• M37: 10,756,237 km (0.118 R)
• M38: 11,791,304 km (0.093 R)
• M39: 12,695,773 km (0.109 R)
• M40: 12,911,942 km (0.046 R)
• M41: 13,567,330 km (0.112 R)
• M42: 14,401,787 km (0.11 R)
• M43: 15,195,553 km (0.06 R)
• M44: 15,597,822 km (0.079 R)
• M45: 16,295,397 km (0.034 R)
• M46: 16,471,324 km (0.1 R)
• M47: 17,241,155 km (0.109 R)
• M48: 17,480,362 km (0.096 R)
• M49: 17,600,489 km (0.105 R)
• M50: 21,518,756 km (0.047 R)
• M51: 22,164,570 km (0.112 R)
• M52: 22,620,395 km (0.063 R)
• M53: 24,139,711 km (0.08 R)
• M54: 24,340,322 km (0.101 R)
• M55: 25,148,300 km (0.118 R)
• M56: 25,760,005 km (0.038 R)
• M57: 25,828,222 km (0.059 R)
• M58: 26,514,278 km (0.12 R)
• M59: 26,998,077 km (0.096 R)
• M60: 27,554,581 km (0.101 R)
• M61: 27,764,168 km (0.083 R)
• M62: 28,255,447 km (0.108 R)
• M63: 29,388,950 km (0.1 R)
• M64: 29,746,340 km (0.107 R)
• M65: 30,320,945 km (0.116 R)
• M66: 31,335,368 km (0.03 R)
• M67: 31,554,080 km (0.118 R)
• M68: 32,434,464 km (0.062 R)
• M69: 33,100,025 km (0.058 R)
• M70: 33,174,225 km (0.099 R)
• M71: 34,144,218 km (0.068 R)
• M72: 34,219,316 km (0.113 R)
• M73: 34,595,106 km (0.097 R)
• M74: 35,275,028 km (0.057 R)
• M75: 35,578,712 km (0.118 R)
• M76: 35,806,998 km (0.036 R)
• M77: 36,035,733 km (0.056 R)
• M78: 36,418,106 km (0.089 R)
• M79: 36,571,443 km (0.11 R)
• M80: 36,878,717 km (0.079 R)
• M81: 37,341,125 km (0.108 R)
• M82: 38,116,341 km (0.075 R)
• M83: 40,156,407 km (0.093 R)
• M84: 40,711,714 km (0.087 R)
• M85: 46,319,390 km (0.053 R)
• M86: 47,152,052 km (0.085 R)
• M87: 48,494,394 km (0.066 R)
• M88: 51,130,757 km (0.096 R)
• M89: 53,203,436 km (0.117 R)
• M90: 53,638,765 km (0.065 R)
• M91: 55,656,242 km (0.084 R)
• M92: 56,186,567 km (0.051 R)
• M93: 56,807,398 km (0.041 R)
• M94: 57,698,403 km (0.092 R)
• M95: 60,126,825 km (0.054 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 11,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit