🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.1

Radius: 9.1

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.59 AU - 0.79 AU

Year: 382 Days

Day: 10.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,343,164 km

• M1: 113,246 km (0.072 R)
• M2: 490,382 km (0.087 R)
• M3: 780,901 km (0.11 R)
• M4: 1,084,585 km (0.103 R)
• M5: 1,609,224 km (0.112 R)
• M6: 1,950,307 km (0.091 R)
• M7: 2,295,131 km (0.091 R)
• M8: 2,760,530 km (0.048 R)
• M9: 3,152,775 km (0.113 R)
• M10: 3,474,111 km (0.061 R)
• M11: 3,830,005 km (0.104 R)
• M12: 4,360,778 km (0.033 R)
• M13: 5,327,330 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.9

Radius: 11.6

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.14 AU - 1.26 AU

Year: 877 Days

Day: 5.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 87,343,164 km

• M1: 145,559 km (0.111 R)
• M2: 972,985 km (0.054 R)
• M3: 1,490,294 km (0.09 R)
• M4: 2,350,781 km (0.116 R)
• M5: 2,839,966 km (0.082 R)
• M6: 3,416,516 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.8

Radius: 12.1

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.43 AU - 1.55 AU

Year: 1213 Days

Day: 11.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,343,164 km

• M1: 150,495 km (0.03 R)
• M2: 740,509 km (0.108 R)
• M3: 1,172,698 km (0.102 R)
• M4: 1,805,945 km (0.102 R)
• M5: 2,557,076 km (0.098 R)
• M6: 3,680,407 km (0.093 R)
• M7: 4,202,354 km (0.079 R)
• M8: 4,715,923 km (0.107 R)
• M9: 5,209,596 km (0.12 R)
• M10: 5,891,763 km (0.075 R)
• M11: 6,584,700 km (0.091 R)
• M12: 7,279,732 km (0.089 R)
• M13: 8,728,886 km (0.119 R)
• M14: 9,292,721 km (0.049 R)
• M15: 9,849,225 km (0.11 R)
• M16: 11,973,814 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.8

Radius: 14.5

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.55 AU - 1.55 AU

Year: 1287 Days

Day: 8.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,343,164 km

• M1: 180,415 km (0.105 R)
• M2: 753,674 km (0.116 R)
• M3: 1,267,393 km (0.12 R)
• M4: 2,244,866 km (0.064 R)
• M5: 2,967,274 km (0.087 R)
• M6: 3,697,311 km (0.11 R)
• M7: 4,191,284 km (0.082 R)
• M8: 6,078,012 km (0.087 R)
• M9: 6,604,148 km (0.12 R)
• M10: 7,854,038 km (0.097 R)
• M11: 9,677,486 km (0.089 R)
• M12: 11,253,649 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458

Radius: 14

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.39 AU - 1.95 AU

Year: 1439 Days

Day: 14.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,343,164 km

• M1: 174,132 km (0.064 R)
• M2: 615,745 km (0.082 R)
• M3: 1,277,566 km (0.064 R)
• M4: 1,777,372 km (0.087 R)
• M5: 2,229,607 km (0.093 R)
• M6: 2,875,869 km (0.073 R)
• M7: 3,359,819 km (0.072 R)
• M8: 3,833,894 km (0.071 R)
• M9: 4,512,021 km (0.097 R)
• M10: 6,609,384 km (0.108 R)
• M11: 7,062,665 km (0.076 R)
• M12: 7,768,617 km (0.091 R)
• M13: 9,233,929 km (0.111 R)
• M14: 11,041,071 km (0.11 R)
• M15: 11,476,550 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.6

Radius: 10.7

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.62 AU - 1.88 AU

Year: 1544 Days

Day: 8.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,343,164 km

• M1: 133,441 km (0.1 R)
• M2: 510,129 km (0.103 R)
• M3: 881,131 km (0.108 R)
• M4: 1,397,095 km (0.093 R)
• M5: 2,281,517 km (0.06 R)
• M6: 3,869,499 km (0.115 R)
• M7: 5,310,575 km (0.073 R)
• M8: 5,977,333 km (0.045 R)
• M9: 7,344,059 km (0.09 R)
• M10: 8,668,449 km (0.114 R)
• M11: 9,529,534 km (0.109 R)
• M12: 10,719,286 km (0.111 R)
• M13: 11,674,618 km (0.118 R)
• M14: 12,418,269 km (0.115 R)
• M15: 13,232,680 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.8

Radius: 12.8

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.06 AU - 2.18 AU

Year: 2058 Days

Day: 14 Hours

Environment

Temp: -197 °C

Axial Tilt: 170.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,343,164 km

• M1: 159,322 km (0.084 R)
• M2: 591,809 km (0.109 R)
• M3: 1,158,037 km (0.102 R)
• M4: 1,702,573 km (0.082 R)
• M5: 2,116,361 km (0.112 R)
• M6: 3,103,857 km (0.12 R)
• M7: 3,656,770 km (0.112 R)
• M8: 4,295,404 km (0.078 R)
• M9: 5,356,352 km (0.09 R)
• M10: 6,667,278 km (0.091 R)
• M11: 7,236,199 km (0.071 R)
• M12: 7,868,250 km (0.047 R)
• M13: 9,557,359 km (0.106 R)
• M14: 10,024,254 km (0.109 R)
• M15: 10,810,541 km (0.116 R)
• M16: 11,718,600 km (0.119 R)
• M17: 12,170,535 km (0.084 R)
• M18: 14,141,936 km (0.062 R)
• M19: 17,833,712 km (0.11 R)
• M20: 18,377,500 km (0.068 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.5

Radius: 9.7

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.27 AU - 2.95 AU

Year: 2812 Days

Day: 10.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,343,164 km

• M1: 120,725 km (0.086 R)
• M2: 636,988 km (0.117 R)
• M3: 1,374,954 km (0.095 R)
• M4: 1,900,043 km (0.084 R)
• M5: 2,353,324 km (0.099 R)
• M6: 4,053,055 km (0.082 R)
• M7: 4,591,907 km (0.056 R)
• M8: 5,522,256 km (0.111 R)
• M9: 5,950,854 km (0.091 R)
• M10: 6,328,888 km (0.049 R)
• M11: 7,238,592 km (0.077 R)
• M12: 8,733,075 km (0.077 R)
• M13: 9,036,759 km (0.067 R)
• M14: 11,009,057 km (0.067 R)
• M15: 13,492,830 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.4

Radius: 9.9

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.16 AU - 4.54 AU

Year: 5038 Days

Day: 11.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,343,164 km

• M1: 123,717 km (0.114 R)
• M2: 489,185 km (0.072 R)
• M3: 1,746,256 km (0.075 R)
• M4: 2,145,682 km (0.111 R)
• M5: 3,770,166 km (0.114 R)
• M6: 4,097,336 km (0.116 R)
• M7: 4,729,088 km (0.084 R)
• M8: 5,054,762 km (0.05 R)
• M9: 6,412,214 km (0.111 R)
• M10: 6,983,677 km (0.1 R)
• M11: 11,438,552 km (0.074 R)
• M12: 14,195,492 km (0.117 R)
• M13: 15,698,053 km (0.051 R)
• M14: 18,212,344 km (0.119 R)
• M15: 19,016,133 km (0.092 R)
• M16: 19,773,697 km (0.12 R)
• M17: 20,622,814 km (0.072 R)
• M18: 24,343,912 km (0.087 R)
• M19: 24,666,146 km (0.029 R)
• M20: 27,783,167 km (0.12 R)
• M21: 29,118,478 km (0.107 R)
• M22: 30,682,972 km (0.044 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.1

Radius: 7.6

Gravity: 13.94 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 9.42 AU - 11.58 AU

Year: 22689 Days

Day: 17.1 Hours

Environment

Temp: -244 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,343,164 km

• M1: 94,546 km (0.097 R)
• M2: 349,610 km (0.072 R)
• M3: 803,041 km (0.041 R)
• M4: 1,101,639 km (0.097 R)
• M5: 1,474,137 km (0.073 R)
• M6: 2,334,325 km (0.091 R)
• M7: 3,089,645 km (0.084 R)
• M8: 4,097,785 km (0.118 R)
• M9: 5,309,976 km (0.067 R)
• M10: 5,553,671 km (0.112 R)
• M11: 7,375,773 km (0.115 R)
• M12: 7,628,444 km (0.104 R)
• M13: 9,037,806 km (0.079 R)
• M14: 9,386,219 km (0.052 R)
• M15: 10,359,204 km (0.075 R)
• M16: 11,132,026 km (0.053 R)
• M17: 11,736,402 km (0.066 R)
• M18: 14,849,384 km (0.12 R)
• M19: 15,253,148 km (0.084 R)
• M20: 16,337,583 km (0.064 R)
• M21: 18,472,943 km (0.11 R)
• M22: 19,511,302 km (0.052 R)
• M23: 25,292,362 km (0.1 R)
• M24: 28,260,833 km (0.092 R)
• M25: 28,881,215 km (0.11 R)
• M26: 30,666,666 km (0.085 R)
• M27: 33,896,484 km (0.088 R)
• M28: 34,879,492 km (0.098 R)
• M29: 35,593,223 km (0.037 R)
• M30: 46,633,995 km (0.106 R)
• M31: 52,177,344 km (0.066 R)
• M32: 53,298,729 km (0.102 R)
• M33: 53,865,406 km (0.039 R)
• M34: 59,552,070 km (0.039 R)
• M35: 64,979,331 km (0.073 R)
• M36: 72,330,870 km (0.112 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: 242 - 10,792 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit