🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.43 AU - 0.69 AU

Year: 160 Days

Day: 31.9 Hours

Environment

Temp: 131 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 66,420,694 km

• M1: 33,660 km (0.111 R)
• M2: 83,924 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.98 AU - 1.16 AU

Year: 424 Days

Day: 13.5 Hours

Environment

Temp: 12 °C

Axial Tilt: 20.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 66,420,694 km

• M1: 221,405 km (0.05 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.2 AU - 1.74 AU

Year: 682 Days

Day: 22.6 Hours

Environment

Temp: -52 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.88 AU - 1.92 AU

Year: 1003 Days

Day: 25.9 Hours

Environment

Temp: -74 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 66,420,694 km

• M1: 89,908 km (0.054 R)
• M2: 441,763 km (0.097 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.97 AU - 2.11 AU

Year: 1116 Days

Day: 20.1 Hours

Environment

Temp: -91 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.79 AU - 2.57 AU

Year: 1232 Days

Day: 33.2 Hours

Environment

Temp: -86 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.19 AU - 2.39 AU

Year: 1327 Days

Day: 16.1 Hours

Environment

Temp: -89 °C

Axial Tilt: 26.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 11.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.8

Radius: 8.2

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 10.45 AU - 11.91 AU

Year: 14313 Days

Day: 11.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 66,420,694 km

• M1: 111,151 km (0.118 R)
• M2: 284,386 km (0.11 R)
• M3: 350,059 km (0.084 R)
• M4: 437,125 km (0.111 R)
• M5: 499,956 km (0.12 R)
• M6: 2,004,611 km (0.078 R)
• M7: 2,632,773 km (0.106 R)
• M8: 2,722,980 km (0.043 R)
• M9: 2,968,620 km (0.096 R)
• M10: 4,230,777 km (0.038 R)
• M11: 5,103,531 km (0.086 R)
• M12: 5,754,581 km (0.113 R)
• M13: 6,030,290 km (0.078 R)
• M14: 6,149,819 km (0.05 R)
• M15: 7,175,911 km (0.098 R)
• M16: 7,344,956 km (0.096 R)
• M17: 7,773,554 km (0.081 R)
• M18: 8,789,772 km (0.04 R)
• M19: 8,879,980 km (0.094 R)
• M20: 9,336,403 km (0.102 R)
• M21: 9,800,306 km (0.068 R)
• M22: 10,702,531 km (0.069 R)
• M23: 11,041,669 km (0.079 R)
• M24: 12,331,801 km (0.031 R)
• M25: 12,534,506 km (0.083 R)
• M26: 12,840,584 km (0.092 R)
• M27: 13,304,487 km (0.088 R)
• M28: 14,036,768 km (0.09 R)
• M29: 14,195,492 km (0.117 R)
• M30: 14,889,775 km (0.059 R)
• M31: 15,214,103 km (0.104 R)
• M32: 15,322,712 km (0.087 R)
• M33: 16,367,054 km (0.025 R)
• M34: 16,422,705 km (0.049 R)
• M35: 16,925,952 km (0.103 R)
• M36: 17,320,890 km (0.093 R)
• M37: 18,466,062 km (0.025 R)
• M38: 18,640,044 km (0.109 R)
• M39: 20,288,912 km (0.118 R)
• M40: 20,348,751 km (0.107 R)
• M41: 21,861,485 km (0.108 R)
• M42: 22,045,490 km (0.091 R)
• M43: 23,035,379 km (0.058 R)
• M44: 23,976,500 km (0.1 R)
• M45: 25,766,588 km (0.113 R)
• M46: 25,831,364 km (0.092 R)
• M47: 25,896,139 km (0.119 R)
• M48: 26,416,291 km (0.107 R)
• M49: 26,808,686 km (0.101 R)
• M50: 27,467,067 km (0.06 R)
• M51: 27,997,541 km (0.118 R)
• M52: 28,130,683 km (0.081 R)
• M53: 28,397,715 km (0.03 R)
• M54: 29,880,828 km (0.086 R)
• M55: 30,700,325 km (0.117 R)
• M56: 30,768,991 km (0.084 R)
• M57: 30,906,471 km (0.1 R)
• M58: 31,250,846 km (0.12 R)
• M59: 31,458,188 km (0.102 R)
• M60: 32,152,322 km (0.086 R)
• M61: 33,062,326 km (0.119 R)
• M62: 33,485,239 km (0.061 R)
• M63: 33,909,948 km (0.088 R)
• M64: 34,907,766 km (0.045 R)
• M65: 36,495,149 km (0.119 R)
• M66: 39,590,328 km (0.1 R)
• M67: 39,665,127 km (0.074 R)
• M68: 40,640,655 km (0.093 R)
• M69: 42,233,274 km (0.078 R)
• M70: 42,845,429 km (0.104 R)
• M71: 44,233,248 km (0.027 R)
• M72: 44,621,454 km (0.067 R)
• M73: 45,792,507 km (0.065 R)
• M74: 46,421,266 km (0.065 R)
• M75: 46,736,768 km (0.084 R)
• M76: 47,132,156 km (0.065 R)
• M77: 48,644,440 km (0.051 R)
• M78: 48,724,475 km (0.031 R)
• M79: 49,366,400 km (0.056 R)
• M80: 50,415,380 km (0.107 R)
• M81: 51,145,866 km (0.069 R)
• M82: 51,961,773 km (0.053 R)
• M83: 52,125,433 km (0.12 R)
• M84: 52,864,148 km (0.115 R)
• M85: 53,688,881 km (0.077 R)
• M86: 53,937,213 km (0.076 R)
• M87: 54,020,090 km (0.099 R)
• M88: 55,434,837 km (0.105 R)
• M89: 55,769,637 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.4

Radius: 7.9

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 10.46 AU - 14.3 AU

Year: 16678 Days

Day: 16.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 66,420,694 km

• M1: 189,391 km (0.042 R)
• M2: 309,219 km (0.052 R)
• M3: 528,080 km (0.068 R)
• M4: 827,127 km (0.112 R)
• M5: 1,097,899 km (0.117 R)
• M6: 1,213,987 km (0.115 R)
• M7: 1,785,750 km (0.096 R)
• M8: 2,872,279 km (0.114 R)
• M9: 3,593,939 km (0.115 R)
• M10: 3,975,115 km (0.061 R)
• M11: 4,399,973 km (0.096 R)
• M12: 4,744,048 km (0.112 R)
• M13: 4,935,383 km (0.115 R)
• M14: 5,558,010 km (0.095 R)
• M15: 6,876,266 km (0.088 R)
• M16: 7,719,101 km (0.072 R)
• M17: 8,866,965 km (0.095 R)
• M18: 9,023,893 km (0.102 R)
• M19: 9,261,305 km (0.089 R)
• M20: 9,904,127 km (0.042 R)
• M21: 10,395,706 km (0.061 R)
• M22: 12,309,062 km (0.086 R)
• M23: 12,926,154 km (0.088 R)
• M24: 13,283,244 km (0.091 R)
• M25: 13,734,281 km (0.048 R)
• M26: 14,236,182 km (0.116 R)
• M27: 14,512,489 km (0.097 R)
• M28: 15,210,962 km (0.11 R)
• M29: 16,207,284 km (0.106 R)
• M30: 16,689,138 km (0.085 R)
• M31: 16,786,078 km (0.107 R)
• M32: 17,126,712 km (0.085 R)
• M33: 18,262,310 km (0.079 R)
• M34: 19,066,548 km (0.061 R)
• M35: 19,167,826 km (0.081 R)
• M36: 20,242,836 km (0.085 R)
• M37: 20,449,730 km (0.078 R)
• M38: 21,547,778 km (0.09 R)
• M39: 21,600,586 km (0.067 R)
• M40: 23,149,523 km (0.098 R)
• M41: 24,623,510 km (0.048 R)
• M42: 24,789,115 km (0.109 R)
• M43: 25,010,520 km (0.062 R)
• M44: 25,902,871 km (0.115 R)
• M45: 26,805,545 km (0.077 R)
• M46: 28,932,378 km (0.088 R)
• M47: 29,868,711 km (0.066 R)
• M48: 32,011,700 km (0.097 R)
• M49: 32,555,189 km (0.12 R)
• M50: 34,759,364 km (0.046 R)
• M51: 35,069,331 km (0.066 R)
• M52: 35,255,730 km (0.096 R)
• M53: 35,380,196 km (0.073 R)
• M54: 36,255,343 km (0.065 R)
• M55: 36,695,759 km (0.086 R)
• M56: 37,137,821 km (0.045 R)
• M57: 37,708,686 km (0.059 R)
• M58: 38,346,572 km (0.118 R)
• M59: 39,116,702 km (0.109 R)
• M60: 39,245,505 km (0.064 R)
• M61: 39,632,814 km (0.115 R)
• M62: 40,867,894 km (0.069 R)
• M63: 41,522,983 km (0.119 R)
• M64: 42,777,362 km (0.118 R)
• M65: 44,111,027 km (0.076 R)
• M66: 44,245,066 km (0.069 R)
• M67: 44,850,339 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.6

Radius: 3

Gravity: 36.18 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 13.6 AU - 17.66 AU

Year: 23660 Days

Day: 20.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (99)

Outer Limit: 66,420,694 km

• M1: 103,671 km (0.088 R)
• M2: 124,615 km (0.118 R)
• M3: 348,264 km (0.098 R)
• M4: 801,845 km (0.042 R)
• M5: 917,035 km (0.057 R)
• M6: 1,012,927 km (0.102 R)
• M7: 1,293,124 km (0.09 R)
• M8: 1,829,732 km (0.108 R)
• M9: 2,042,759 km (0.075 R)
• M10: 2,231,701 km (0.107 R)
• M11: 2,426,178 km (0.114 R)
• M12: 2,626,191 km (0.099 R)
• M13: 2,728,067 km (0.113 R)
• M14: 3,148,886 km (0.103 R)
• M15: 3,257,194 km (0.106 R)
• M16: 3,702,697 km (0.041 R)
• M17: 3,778,693 km (0.116 R)
• M18: 4,127,555 km (0.099 R)
• M19: 4,608,362 km (0.096 R)
• M20: 4,855,498 km (0.102 R)
• M21: 4,938,824 km (0.12 R)
• M22: 5,106,823 km (0.063 R)
• M23: 5,578,654 km (0.073 R)
• M24: 5,753,534 km (0.107 R)
• M25: 6,019,370 km (0.11 R)
• M26: 6,425,677 km (0.106 R)
• M27: 6,887,336 km (0.103 R)
• M28: 6,980,985 km (0.109 R)
• M29: 8,285,478 km (0.041 R)
• M30: 8,736,665 km (0.115 R)
• M31: 8,787,379 km (0.09 R)
• M32: 8,838,093 km (0.098 R)
• M33: 9,299,004 km (0.089 R)
• M34: 9,715,185 km (0.075 R)
• M35: 10,190,607 km (0.074 R)
• M36: 11,219,092 km (0.077 R)
• M37: 12,336,738 km (0.063 R)
• M38: 13,372,554 km (0.053 R)
• M39: 14,078,506 km (0.068 R)
• M40: 14,435,895 km (0.081 R)
• M41: 15,038,326 km (0.079 R)
• M42: 15,220,686 km (0.117 R)
• M43: 19,346,146 km (0.115 R)
• M44: 19,412,119 km (0.107 R)
• M45: 19,544,363 km (0.044 R)
• M46: 20,411,283 km (0.046 R)
• M47: 22,113,408 km (0.079 R)
• M48: 23,366,739 km (0.097 R)
• M49: 24,072,841 km (0.082 R)
• M50: 25,073,351 km (0.045 R)
• M51: 26,014,322 km (0.115 R)
• M52: 26,452,643 km (0.088 R)
• M53: 27,336,318 km (0.113 R)
• M54: 27,558,770 km (0.083 R)
• M55: 28,229,717 km (0.102 R)
• M56: 29,284,082 km (0.076 R)
• M57: 30,274,570 km (0.1 R)
• M58: 31,043,952 km (0.064 R)
• M59: 32,523,325 km (0.049 R)
• M60: 32,837,780 km (0.096 R)
• M61: 33,707,392 km (0.118 R)
• M62: 34,025,587 km (0.071 R)
• M63: 34,664,819 km (0.077 R)
• M64: 35,793,086 km (0.098 R)
• M65: 36,198,945 km (0.115 R)
• M66: 37,920,068 km (0.077 R)
• M67: 38,832,316 km (0.116 R)
• M68: 40,509,159 km (0.116 R)
• M69: 40,762,727 km (0.086 R)
• M70: 42,123,918 km (0.087 R)
• M71: 42,638,236 km (0.041 R)
• M72: 42,810,123 km (0.063 R)
• M73: 43,068,329 km (0.119 R)
• M74: 43,154,647 km (0.061 R)
• M75: 43,586,536 km (0.034 R)
• M76: 44,454,503 km (0.108 R)
• M77: 44,803,365 km (0.076 R)
• M78: 44,890,731 km (0.082 R)
• M79: 46,561,140 km (0.115 R)
• M80: 48,251,746 km (0.119 R)
• M81: 48,341,206 km (0.104 R)
• M82: 49,690,878 km (0.057 R)
• M83: 50,597,441 km (0.117 R)
• M84: 51,052,817 km (0.092 R)
• M85: 51,875,904 km (0.094 R)
• M86: 53,349,892 km (0.12 R)
• M87: 53,442,493 km (0.064 R)
• M88: 53,999,147 km (0.025 R)
• M89: 54,837,643 km (0.086 R)
• M90: 54,931,141 km (0.094 R)
• M91: 56,905,534 km (0.086 R)
• M92: 57,853,835 km (0.039 R)
• M93: 59,094,450 km (0.103 R)
• M94: 59,573,911 km (0.044 R)
• M95: 60,826,644 km (0.076 R)
• M96: 61,116,864 km (0.076 R)
• M97: 62,380,218 km (0.115 R)
• M98: 65,031,541 km (0.069 R)
• M99: 65,724,927 km (0.091 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 14,909 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit