🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.55 AU - 0.69 AU

Year: 320 Days

Day: 36 Hours

Environment

Temp: -137 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.3

Radius: 11.5

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.66 AU - 0.9 AU

Year: 452 Days

Day: 5.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 76,550,190 km

• M1: 143,315 km (0.098 R)
• M2: 661,821 km (0.101 R)
• M3: 1,090,718 km (0.085 R)
• M4: 1,538,465 km (0.073 R)
• M5: 2,589,838 km (0.073 R)
• M6: 3,019,035 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.2

Radius: 12.9

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.43 AU - 1.51 AU

Year: 1169 Days

Day: 11.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,550,190 km

• M1: 160,369 km (0.081 R)
• M2: 674,986 km (0.118 R)
• M3: 1,080,396 km (0.098 R)
• M4: 1,526,497 km (0.085 R)
• M5: 2,352,726 km (0.088 R)
• M6: 3,458,703 km (0.096 R)
• M7: 3,935,322 km (0.066 R)
• M8: 5,467,204 km (0.09 R)
• M9: 5,894,904 km (0.115 R)
• M10: 6,891,226 km (0.053 R)
• M11: 7,889,044 km (0.034 R)
• M12: 8,437,021 km (0.119 R)
• M13: 9,098,393 km (0.113 R)
• M14: 10,525,108 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.5

Radius: 8

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.6 AU - 2.34 AU

Year: 1814 Days

Day: 11.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,550,190 km

• M1: 101,577 km (0.118 R)
• M2: 418,575 km (0.084 R)
• M3: 674,088 km (0.069 R)
• M4: 1,111,662 km (0.113 R)
• M5: 2,247,110 km (0.086 R)
• M6: 2,792,843 km (0.091 R)
• M7: 3,074,386 km (0.053 R)
• M8: 4,241,548 km (0.09 R)
• M9: 4,594,599 km (0.098 R)
• M10: 6,257,380 km (0.101 R)
• M11: 7,196,555 km (0.098 R)
• M12: 8,286,675 km (0.101 R)
• M13: 9,384,574 km (0.082 R)
• M14: 9,883,632 km (0.11 R)
• M15: 10,157,097 km (0.095 R)
• M16: 11,562,719 km (0.119 R)
• M17: 11,981,593 km (0.106 R)
• M18: 12,449,984 km (0.077 R)
• M19: 12,849,709 km (0.068 R)
• M20: 14,100,198 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.8

Radius: 13.4

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.92 AU - 3.1 AU

Year: 2609 Days

Day: 7.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,550,190 km

• M1: 168,447 km (0.089 R)
• M2: 704,756 km (0.073 R)
• M3: 1,240,765 km (0.092 R)
• M4: 1,831,976 km (0.071 R)
• M5: 3,378,668 km (0.084 R)
• M6: 4,034,206 km (0.079 R)
• M7: 4,630,652 km (0.118 R)
• M8: 8,330,507 km (0.114 R)
• M9: 9,366,771 km (0.098 R)
• M10: 10,771,944 km (0.112 R)
• M11: 11,733,260 km (0.101 R)
• M12: 12,791,366 km (0.109 R)
• M13: 14,917,301 km (0.114 R)
• M14: 15,415,013 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.8

Radius: 7.9

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.73 AU - 7.05 AU

Year: 10596 Days

Day: 16.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 148.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,550,190 km

• M1: 98,435 km (0.086 R)
• M2: 530,025 km (0.066 R)
• M3: 1,042,847 km (0.117 R)
• M4: 1,915,900 km (0.104 R)
• M5: 2,209,261 km (0.046 R)
• M6: 2,458,043 km (0.027 R)
• M7: 3,434,917 km (0.069 R)
• M8: 3,820,430 km (0.107 R)
• M9: 6,025,952 km (0.084 R)
• M10: 7,614,831 km (0.044 R)
• M11: 9,235,724 km (0.082 R)
• M12: 11,437,954 km (0.06 R)
• M13: 11,916,966 km (0.066 R)
• M14: 15,653,323 km (0.053 R)
• M15: 16,045,568 km (0.061 R)
• M16: 17,609,764 km (0.096 R)
• M17: 17,891,756 km (0.114 R)
• M18: 19,050,242 km (0.113 R)
• M19: 20,412,480 km (0.118 R)
• M20: 22,410,509 km (0.102 R)
• M21: 22,992,594 km (0.107 R)
• M22: 23,499,432 km (0.069 R)
• M23: 26,791,333 km (0.087 R)
• M24: 27,258,527 km (0.113 R)
• M25: 30,176,583 km (0.103 R)
• M26: 30,784,250 km (0.118 R)
• M27: 34,382,527 km (0.077 R)
• M28: 35,268,147 km (0.077 R)
• M29: 36,969,673 km (0.095 R)
• M30: 37,665,303 km (0.108 R)
• M31: 41,151,382 km (0.078 R)
• M32: 41,399,416 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.6

Radius: 4.2

Gravity: 56.16 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.36 AU - 7.66 AU

Year: 10896 Days

Day: 17 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,550,190 km

• M1: 52,210 km (0.084 R)
• M2: 209,587 km (0.058 R)
• M3: 583,282 km (0.073 R)
• M4: 980,913 km (0.113 R)
• M5: 1,695,243 km (0.1 R)
• M6: 1,844,542 km (0.12 R)
• M7: 2,427,525 km (0.089 R)
• M8: 3,028,160 km (0.102 R)
• M9: 3,198,851 km (0.097 R)
• M10: 3,777,645 km (0.063 R)
• M11: 4,805,084 km (0.108 R)
• M12: 6,473,698 km (0.107 R)
• M13: 7,350,192 km (0.034 R)
• M14: 8,982,006 km (0.09 R)
• M15: 9,697,383 km (0.12 R)
• M16: 10,728,112 km (0.067 R)
• M17: 10,897,307 km (0.086 R)
• M18: 12,877,385 km (0.047 R)
• M19: 15,800,527 km (0.075 R)
• M20: 18,162,977 km (0.078 R)
• M21: 18,564,797 km (0.073 R)
• M22: 23,008,302 km (0.102 R)
• M23: 23,668,627 km (0.114 R)
• M24: 26,231,987 km (0.118 R)
• M25: 26,848,779 km (0.096 R)
• M26: 28,218,198 km (0.112 R)
• M27: 31,209,856 km (0.081 R)
• M28: 31,439,638 km (0.097 R)
• M29: 38,600,739 km (0.043 R)
• M30: 40,751,806 km (0.075 R)
• M31: 40,888,838 km (0.104 R)
• M32: 43,123,381 km (0.074 R)
• M33: 45,881,069 km (0.098 R)
• M34: 46,926,010 km (0.073 R)
• M35: 48,446,074 km (0.037 R)
• M36: 51,905,225 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.3

Radius: 4.6

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.68 AU - 10.86 AU

Year: 17038 Days

Day: 22 Hours

Environment

Temp: -234 °C

Axial Tilt: 56.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,550,190 km

• M1: 57,146 km (0.06 R)
• M2: 288,425 km (0.108 R)
• M3: 731,234 km (0.106 R)
• M4: 894,595 km (0.118 R)
• M5: 1,234,182 km (0.11 R)
• M6: 1,454,390 km (0.095 R)
• M7: 2,183,830 km (0.059 R)
• M8: 2,753,947 km (0.031 R)
• M9: 3,721,696 km (0.069 R)
• M10: 4,239,304 km (0.045 R)
• M11: 4,959,917 km (0.054 R)
• M12: 6,079,508 km (0.091 R)
• M13: 6,262,765 km (0.083 R)
• M14: 7,113,080 km (0.068 R)
• M15: 7,565,912 km (0.114 R)
• M16: 8,620,428 km (0.12 R)
• M17: 9,571,122 km (0.079 R)
• M18: 9,970,249 km (0.119 R)
• M19: 12,424,851 km (0.086 R)
• M20: 14,332,224 km (0.051 R)
• M21: 17,880,685 km (0.058 R)
• M22: 18,870,575 km (0.111 R)
• M23: 19,816,332 km (0.081 R)
• M24: 20,793,356 km (0.094 R)
• M25: 22,667,069 km (0.04 R)
• M26: 25,116,585 km (0.102 R)
• M27: 28,547,163 km (0.071 R)
• M28: 31,616,164 km (0.046 R)
• M29: 32,166,534 km (0.094 R)
• M30: 33,399,969 km (0.098 R)
• M31: 40,428,376 km (0.087 R)
• M32: 43,739,425 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.9

Radius: 6.2

Gravity: 22.29 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 8.88 AU - 10.26 AU

Year: 19421 Days

Day: 17.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,550,190 km

• M1: 77,193 km (0.11 R)
• M2: 400,025 km (0.062 R)
• M3: 1,243,906 km (0.111 R)
• M4: 1,975,889 km (0.099 R)
• M5: 2,245,763 km (0.094 R)
• M6: 2,684,384 km (0.079 R)
• M7: 3,289,956 km (0.115 R)
• M8: 4,145,507 km (0.12 R)
• M9: 4,696,476 km (0.075 R)
• M10: 6,418,497 km (0.099 R)
• M11: 8,522,890 km (0.104 R)
• M12: 8,849,163 km (0.116 R)
• M13: 9,071,166 km (0.113 R)
• M14: 9,584,436 km (0.049 R)
• M15: 10,920,495 km (0.1 R)
• M16: 16,489,126 km (0.113 R)
• M17: 18,668,767 km (0.083 R)
• M18: 21,931,497 km (0.071 R)
• M19: 22,647,472 km (0.054 R)
• M20: 23,803,864 km (0.109 R)
• M21: 31,838,765 km (0.059 R)
• M22: 32,099,066 km (0.082 R)
• M23: 33,021,486 km (0.114 R)
• M24: 35,894,513 km (0.076 R)
• M25: 39,827,740 km (0.095 R)
• M26: 40,281,770 km (0.029 R)
• M27: 50,278,199 km (0.03 R)
• M28: 58,629,201 km (0.082 R)
• M29: 62,416,271 km (0.106 R)
• M30: 64,265,899 km (0.088 R)
• M31: 65,308,895 km (0.089 R)
• M32: 71,805,931 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.3

Radius: 3.1

Gravity: 67.67 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.59 AU - 10.39 AU

Year: 20714 Days

Day: 23.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,550,190 km

• M1: 38,596 km (0.062 R)
• M2: 157,975 km (0.113 R)
• M3: 357,838 km (0.085 R)
• M4: 563,386 km (0.102 R)
• M5: 1,163,722 km (0.065 R)
• M6: 1,847,235 km (0.092 R)
• M7: 1,982,920 km (0.054 R)
• M8: 2,592,980 km (0.108 R)
• M9: 3,759,095 km (0.104 R)
• M10: 4,337,141 km (0.094 R)
• M11: 4,438,868 km (0.089 R)
• M12: 6,164,330 km (0.098 R)
• M13: 6,918,154 km (0.118 R)
• M14: 7,931,679 km (0.079 R)
• M15: 14,889,775 km (0.092 R)
• M16: 15,832,541 km (0.098 R)
• M17: 17,065,826 km (0.045 R)
• M18: 17,749,189 km (0.062 R)
• M19: 18,273,380 km (0.105 R)
• M20: 20,857,234 km (0.111 R)
• M21: 21,440,816 km (0.064 R)
• M22: 22,437,736 km (0.115 R)
• M23: 22,844,941 km (0.109 R)
• M24: 24,096,327 km (0.098 R)
• M25: 29,316,246 km (0.05 R)
• M26: 34,697,132 km (0.1 R)
• M27: 39,359,649 km (0.111 R)
• M28: 45,874,935 km (0.106 R)
• M29: 51,295,315 km (0.111 R)
• M30: 54,707,343 km (0.106 R)
• M31: 56,001,664 km (0.108 R)
• M32: 57,695,560 km (0.027 R)
• M33: 61,780,031 km (0.08 R)
• M34: 63,790,926 km (0.104 R)
• M35: 65,430,817 km (0.116 R)
• M36: 66,261,086 km (0.081 R)
• M37: 71,391,395 km (0.046 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 11,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit