🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.64 AU - 0.7 AU

Year: 349 Days

Day: 16.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.8

Radius: 12.2

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.69 AU - 1.07 AU

Year: 525 Days

Day: 5.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,551,416 km

• M1: 152,590 km (0.033 R)
• M2: 580,141 km (0.062 R)
• M3: 1,180,626 km (0.111 R)
• M4: 1,655,749 km (0.091 R)
• M5: 2,045,452 km (0.095 R)
• M6: 2,457,743 km (0.088 R)
• M7: 2,849,391 km (0.097 R)
• M8: 3,491,016 km (0.093 R)
• M9: 3,975,563 km (0.066 R)
• M10: 4,841,436 km (0.095 R)
• M11: 5,412,002 km (0.03 R)
• M12: 6,192,753 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.8

Radius: 14

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.83 AU - 1.15 AU

Year: 626 Days

Day: 8.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,551,416 km

• M1: 177,872 km (0.079 R)
• M2: 728,392 km (0.079 R)
• M3: 1,204,712 km (0.111 R)
• M4: 1,654,702 km (0.043 R)
• M5: 2,446,374 km (0.03 R)
• M6: 2,959,644 km (0.074 R)
• M7: 3,733,963 km (0.095 R)
• M8: 5,223,210 km (0.078 R)
• M9: 5,761,762 km (0.112 R)
• M10: 7,143,149 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.5

Radius: 9.6

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.4 AU - 3.36 AU

Year: 3108 Days

Day: 14.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,551,416 km

• M1: 119,529 km (0.086 R)
• M2: 473,627 km (0.081 R)
• M3: 980,764 km (0.065 R)
• M4: 1,619,098 km (0.092 R)
• M5: 2,042,909 km (0.118 R)
• M6: 2,810,645 km (0.099 R)
• M7: 3,674,423 km (0.118 R)
• M8: 5,074,958 km (0.117 R)
• M9: 5,849,127 km (0.077 R)
• M10: 6,828,096 km (0.079 R)
• M11: 8,084,718 km (0.049 R)
• M12: 8,586,020 km (0.057 R)
• M13: 10,907,480 km (0.116 R)
• M14: 11,520,083 km (0.063 R)
• M15: 12,423,654 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.1

Radius: 12.7

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.72 AU - 3.84 AU

Year: 4673 Days

Day: 9.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,551,416 km

• M1: 158,723 km (0.026 R)
• M2: 624,870 km (0.083 R)
• M3: 1,081,293 km (0.111 R)
• M4: 2,118,156 km (0.067 R)
• M5: 3,986,484 km (0.097 R)
• M6: 4,920,872 km (0.111 R)
• M7: 5,572,221 km (0.107 R)
• M8: 6,978,292 km (0.061 R)
• M9: 7,838,928 km (0.115 R)
• M10: 9,556,312 km (0.084 R)
• M11: 9,989,398 km (0.077 R)
• M12: 10,894,914 km (0.037 R)
• M13: 11,367,942 km (0.075 R)
• M14: 12,559,190 km (0.055 R)
• M15: 13,026,683 km (0.046 R)
• M16: 16,020,436 km (0.073 R)
• M17: 18,035,220 km (0.087 R)
• M18: 21,146,856 km (0.118 R)
• M19: 24,924,202 km (0.047 R)
• M20: 26,333,564 km (0.09 R)
• M21: 30,599,347 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.2

Radius: 14.2

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4 AU - 4.72 AU

Year: 5788 Days

Day: 11.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,551,416 km

• M1: 177,423 km (0.113 R)
• M2: 1,473,689 km (0.057 R)
• M3: 3,377,471 km (0.096 R)
• M4: 4,507,085 km (0.109 R)
• M5: 5,355,903 km (0.068 R)
• M6: 5,847,182 km (0.099 R)
• M7: 10,302,805 km (0.113 R)
• M8: 13,734,880 km (0.085 R)
• M9: 17,390,304 km (0.032 R)
• M10: 18,473,243 km (0.113 R)
• M11: 23,259,627 km (0.112 R)
• M12: 24,574,143 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.6

Radius: 5.8

Gravity: 12.32 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.21 AU - 9.23 AU

Year: 14984 Days

Day: 18.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 88,551,416 km

• M1: 72,256 km (0.059 R)
• M2: 273,465 km (0.108 R)
• M3: 471,383 km (0.077 R)
• M4: 823,536 km (0.081 R)
• M5: 1,115,701 km (0.097 R)
• M6: 2,137,754 km (0.049 R)
• M7: 2,325,948 km (0.113 R)
• M8: 2,823,660 km (0.104 R)
• M9: 3,027,711 km (0.09 R)
• M10: 3,972,422 km (0.103 R)
• M11: 5,000,907 km (0.107 R)
• M12: 6,779,626 km (0.068 R)
• M13: 7,441,596 km (0.083 R)
• M14: 8,236,859 km (0.115 R)
• M15: 8,990,084 km (0.086 R)
• M16: 11,184,535 km (0.078 R)
• M17: 12,708,638 km (0.099 R)
• M18: 13,584,085 km (0.06 R)
• M19: 14,101,993 km (0.101 R)
• M20: 17,871,560 km (0.116 R)
• M21: 19,615,871 km (0.096 R)
• M22: 20,698,361 km (0.101 R)
• M23: 22,981,674 km (0.109 R)
• M24: 26,914,751 km (0.09 R)
• M25: 29,844,326 km (0.113 R)
• M26: 30,061,393 km (0.09 R)
• M27: 30,389,012 km (0.106 R)
• M28: 30,608,622 km (0.043 R)
• M29: 38,084,028 km (0.089 R)
• M30: 39,242,214 km (0.096 R)
• M31: 39,895,807 km (0.071 R)
• M32: 40,423,888 km (0.119 R)
• M33: 40,823,015 km (0.086 R)
• M34: 42,308,821 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.7

Radius: 7.8

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.56 AU - 10 AU

Year: 16542 Days

Day: 25 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 88,551,416 km

• M1: 97,089 km (0.104 R)
• M2: 416,630 km (0.095 R)
• M3: 805,136 km (0.052 R)
• M4: 1,175,989 km (0.112 R)
• M5: 1,545,496 km (0.064 R)
• M6: 1,827,936 km (0.09 R)
• M7: 3,512,109 km (0.106 R)
• M8: 3,767,473 km (0.116 R)
• M9: 5,021,103 km (0.091 R)
• M10: 7,231,860 km (0.086 R)
• M11: 7,836,385 km (0.102 R)
• M12: 9,146,115 km (0.097 R)
• M13: 9,413,895 km (0.113 R)
• M14: 9,742,113 km (0.054 R)
• M15: 11,131,727 km (0.098 R)
• M16: 11,560,774 km (0.092 R)
• M17: 12,714,921 km (0.07 R)
• M18: 13,048,674 km (0.035 R)
• M19: 14,227,505 km (0.04 R)
• M20: 21,862,682 km (0.118 R)
• M21: 23,923,392 km (0.097 R)
• M22: 26,325,186 km (0.098 R)
• M23: 29,693,532 km (0.053 R)
• M24: 31,480,778 km (0.058 R)
• M25: 40,631,679 km (0.096 R)
• M26: 42,089,660 km (0.117 R)
• M27: 44,647,634 km (0.095 R)
• M28: 45,574,692 km (0.117 R)
• M29: 48,432,759 km (0.059 R)
• M30: 48,920,448 km (0.068 R)
• M31: 49,411,429 km (0.098 R)
• M32: 51,071,666 km (0.076 R)
• M33: 52,255,733 km (0.099 R)
• M34: 61,630,882 km (0.117 R)
• M35: 65,516,238 km (0.048 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.2

Radius: 3.6

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 8.72 AU - 12.42 AU

Year: 21850 Days

Day: 21.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,551,416 km

• M1: 44,730 km (0.084 R)
• M2: 225,594 km (0.11 R)
• M3: 651,050 km (0.091 R)
• M4: 1,717,384 km (0.102 R)
• M5: 2,048,892 km (0.066 R)
• M6: 2,221,080 km (0.085 R)
• M7: 2,347,191 km (0.114 R)
• M8: 2,986,572 km (0.084 R)
• M9: 3,440,751 km (0.115 R)
• M10: 3,585,562 km (0.046 R)
• M11: 4,371,699 km (0.089 R)
• M12: 8,023,981 km (0.089 R)
• M13: 8,895,389 km (0.081 R)
• M14: 9,214,630 km (0.119 R)
• M15: 11,187,677 km (0.101 R)
• M16: 11,506,021 km (0.061 R)
• M17: 16,077,283 km (0.087 R)
• M18: 17,033,513 km (0.111 R)
• M19: 18,026,992 km (0.108 R)
• M20: 24,014,049 km (0.102 R)
• M21: 26,833,071 km (0.085 R)
• M22: 30,786,045 km (0.057 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.4

Radius: 7.4

Gravity: 14.34 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 9 AU - 13.16 AU

Year: 23450 Days

Day: 16.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 88,551,416 km

• M1: 98,585 km (0.052 R)
• M2: 461,210 km (0.076 R)
• M3: 865,274 km (0.116 R)
• M4: 1,182,422 km (0.103 R)
• M5: 1,794,726 km (0.081 R)
• M6: 2,054,727 km (0.106 R)
• M7: 2,456,696 km (0.12 R)
• M8: 3,100,715 km (0.082 R)
• M9: 3,787,968 km (0.112 R)
• M10: 4,428,995 km (0.05 R)
• M11: 4,682,713 km (0.105 R)
• M12: 5,061,794 km (0.061 R)
• M13: 6,930,720 km (0.117 R)
• M14: 9,159,429 km (0.107 R)
• M15: 10,821,012 km (0.118 R)
• M16: 11,083,257 km (0.117 R)
• M17: 11,895,424 km (0.105 R)
• M18: 13,039,250 km (0.099 R)
• M19: 14,729,257 km (0.105 R)
• M20: 15,461,090 km (0.098 R)
• M21: 16,647,101 km (0.105 R)
• M22: 18,914,108 km (0.074 R)
• M23: 22,528,542 km (0.099 R)
• M24: 23,172,561 km (0.039 R)
• M25: 25,178,518 km (0.07 R)
• M26: 27,661,843 km (0.115 R)
• M27: 32,020,975 km (0.035 R)
• M28: 35,359,701 km (0.091 R)
• M29: 41,748,577 km (0.103 R)
• M30: 44,539,325 km (0.111 R)
• M31: 45,213,563 km (0.102 R)
• M32: 46,065,972 km (0.049 R)
• M33: 46,409,897 km (0.098 R)
• M34: 46,755,618 km (0.082 R)
• M35: 53,653,875 km (0.097 R)
• M36: 69,199,188 km (0.066 R)
• M37: 74,743,734 km (0.115 R)
• M38: 78,600,068 km (0.079 R)
• M39: 83,860,078 km (0.104 R)
• M40: 85,404,976 km (0.115 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 10,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit