🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565

Radius: 12

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.84 AU - 1.22 AU

Year: 735 Days

Day: 12 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,809,392 km

• M1: 149,299 km (0.1 R)
• M2: 525,388 km (0.068 R)
• M3: 1,070,672 km (0.076 R)
• M4: 1,674,449 km (0.067 R)
• M5: 2,056,372 km (0.032 R)
• M6: 2,895,018 km (0.042 R)
• M7: 3,452,569 km (0.071 R)
• M8: 3,949,384 km (0.099 R)
• M9: 4,430,790 km (0.073 R)
• M10: 4,817,351 km (0.027 R)
• M11: 6,372,420 km (0.072 R)
• M12: 6,824,655 km (0.111 R)
• M13: 7,298,132 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.9

Radius: 14.2

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.26 AU - 1.88 AU

Year: 1383 Days

Day: 11.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,809,392 km

• M1: 176,825 km (0.104 R)
• M2: 720,912 km (0.047 R)
• M3: 1,320,949 km (0.043 R)
• M4: 1,906,625 km (0.098 R)
• M5: 2,762,624 km (0.069 R)
• M6: 3,466,781 km (0.088 R)
• M7: 3,990,374 km (0.047 R)
• M8: 4,931,195 km (0.059 R)
• M9: 5,761,612 km (0.12 R)
• M10: 6,298,818 km (0.049 R)
• M11: 7,107,544 km (0.093 R)
• M12: 7,650,585 km (0.111 R)
• M13: 8,168,193 km (0.093 R)
• M14: 9,073,709 km (0.119 R)
• M15: 10,477,685 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101

Radius: 8.3

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.17 AU - 2.61 AU

Year: 2597 Days

Day: 12.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,809,392 km

• M1: 196,422 km (0.095 R)
• M2: 786,137 km (0.089 R)
• M3: 1,096,552 km (0.087 R)
• M4: 1,538,165 km (0.113 R)
• M5: 1,828,984 km (0.115 R)
• M6: 3,992,169 km (0.053 R)
• M7: 4,512,620 km (0.114 R)
• M8: 4,927,455 km (0.05 R)
• M9: 6,130,072 km (0.093 R)
• M10: 6,753,895 km (0.097 R)
• M11: 7,081,365 km (0.084 R)
• M12: 8,075,592 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.1

Radius: 8.8

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.69 AU - 2.71 AU

Year: 3119 Days

Day: 8.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,809,392 km

• M1: 109,506 km (0.081 R)
• M2: 518,207 km (0.083 R)
• M3: 1,351,018 km (0.101 R)
• M4: 1,715,140 km (0.057 R)
• M5: 2,104,842 km (0.105 R)
• M6: 2,643,843 km (0.08 R)
• M7: 3,236,700 km (0.087 R)
• M8: 3,976,012 km (0.102 R)
• M9: 4,288,821 km (0.035 R)
• M10: 5,605,133 km (0.115 R)
• M11: 6,412,214 km (0.119 R)
• M12: 6,873,125 km (0.047 R)
• M13: 7,861,518 km (0.059 R)
• M14: 9,047,978 km (0.116 R)
• M15: 10,466,615 km (0.102 R)
• M16: 19,717,299 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917

Radius: 12.2

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.18 AU - 3.66 AU

Year: 4446 Days

Day: 9.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,809,392 km

• M1: 151,692 km (0.061 R)
• M2: 559,346 km (0.089 R)
• M3: 1,262,157 km (0.08 R)
• M4: 1,740,721 km (0.109 R)
• M5: 2,620,356 km (0.101 R)
• M6: 3,776,299 km (0.119 R)
• M7: 4,582,632 km (0.063 R)
• M8: 8,029,067 km (0.083 R)
• M9: 8,638,679 km (0.104 R)
• M10: 10,298,467 km (0.028 R)
• M11: 10,835,673 km (0.114 R)
• M12: 14,131,015 km (0.116 R)
• M13: 15,421,446 km (0.093 R)
• M14: 16,727,884 km (0.09 R)
• M15: 17,283,192 km (0.089 R)
• M16: 19,627,989 km (0.107 R)
• M17: 21,089,859 km (0.064 R)
• M18: 22,325,537 km (0.061 R)
• M19: 26,654,451 km (0.093 R)
• M20: 27,497,435 km (0.119 R)
• M21: 28,707,532 km (0.112 R)
• M22: 30,043,142 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.3

Radius: 12.9

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.53 AU - 5.23 AU

Year: 7578 Days

Day: 5.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,809,392 km

• M1: 246,238 km (0.119 R)
• M2: 3,056,584 km (0.065 R)
• M3: 5,736,181 km (0.102 R)
• M4: 6,830,190 km (0.076 R)
• M5: 7,738,548 km (0.084 R)
• M6: 9,043,790 km (0.074 R)
• M7: 9,795,369 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.3

Radius: 9.5

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.86 AU - 6.06 AU

Year: 7765 Days

Day: 8.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,809,392 km

• M1: 118,631 km (0.068 R)
• M2: 1,108,371 km (0.082 R)
• M3: 1,840,951 km (0.082 R)
• M4: 3,312,994 km (0.099 R)
• M5: 3,707,185 km (0.09 R)
• M6: 4,106,462 km (0.038 R)
• M7: 5,201,668 km (0.066 R)
• M8: 7,677,961 km (0.065 R)
• M9: 8,162,957 km (0.063 R)
• M10: 8,539,944 km (0.104 R)
• M11: 8,841,234 km (0.08 R)
• M12: 9,694,989 km (0.098 R)
• M13: 10,504,613 km (0.047 R)
• M14: 12,203,895 km (0.029 R)
• M15: 14,198,484 km (0.115 R)
• M16: 15,054,183 km (0.062 R)
• M17: 16,401,462 km (0.082 R)
• M18: 17,480,661 km (0.075 R)
• M19: 21,552,565 km (0.097 R)
• M20: 24,276,892 km (0.058 R)
• M21: 26,945,718 km (0.116 R)
• M22: 29,804,234 km (0.09 R)
• M23: 31,103,492 km (0.116 R)
• M24: 31,921,493 km (0.071 R)
• M25: 33,069,657 km (0.062 R)
• M26: 36,566,208 km (0.109 R)
• M27: 38,637,390 km (0.115 R)
• M28: 39,226,357 km (0.058 R)
• M29: 40,301,666 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.4

Radius: 7.4

Gravity: 15.31 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.81 AU - 6.69 AU

Year: 9692 Days

Day: 22.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,809,392 km

• M1: 92,751 km (0.06 R)
• M2: 511,326 km (0.112 R)
• M3: 875,148 km (0.097 R)
• M4: 1,228,049 km (0.102 R)
• M5: 1,458,878 km (0.104 R)
• M6: 1,812,677 km (0.099 R)
• M7: 2,062,057 km (0.099 R)
• M8: 2,315,476 km (0.053 R)
• M9: 3,397,068 km (0.117 R)
• M10: 4,598,788 km (0.12 R)
• M11: 5,362,635 km (0.072 R)
• M12: 5,881,141 km (0.092 R)
• M13: 7,681,551 km (0.081 R)
• M14: 8,072,451 km (0.054 R)
• M15: 8,707,045 km (0.065 R)
• M16: 18,722,174 km (0.106 R)
• M17: 24,061,022 km (0.112 R)
• M18: 24,898,172 km (0.114 R)
• M19: 26,532,230 km (0.118 R)
• M20: 27,526,158 km (0.097 R)
• M21: 28,751,215 km (0.028 R)
• M22: 30,012,325 km (0.088 R)
• M23: 30,440,773 km (0.047 R)
• M24: 34,599,444 km (0.032 R)
• M25: 37,738,307 km (0.066 R)
• M26: 39,890,272 km (0.092 R)
• M27: 40,930,576 km (0.053 R)
• M28: 44,854,079 km (0.107 R)
• M29: 47,122,432 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.8

Radius: 5.6

Gravity: 31.47 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 6.72 AU - 9.54 AU

Year: 16295 Days

Day: 19.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,809,392 km

• M1: 89,310 km (0.051 R)
• M2: 302,786 km (0.104 R)
• M3: 599,738 km (0.047 R)
• M4: 2,153,013 km (0.11 R)
• M5: 2,366,190 km (0.09 R)
• M6: 3,681,604 km (0.078 R)
• M7: 4,244,391 km (0.092 R)
• M8: 4,971,436 km (0.104 R)
• M9: 5,737,976 km (0.12 R)
• M10: 6,894,218 km (0.118 R)
• M11: 7,845,212 km (0.066 R)
• M12: 8,456,169 km (0.072 R)
• M13: 10,660,943 km (0.066 R)
• M14: 12,394,483 km (0.111 R)
• M15: 12,803,783 km (0.095 R)
• M16: 13,434,487 km (0.059 R)
• M17: 16,736,561 km (0.067 R)
• M18: 17,320,890 km (0.065 R)
• M19: 22,898,497 km (0.057 R)
• M20: 35,746,860 km (0.066 R)
• M21: 38,127,710 km (0.104 R)
• M22: 39,723,471 km (0.073 R)
• M23: 41,514,307 km (0.112 R)
• M24: 51,455,534 km (0.063 R)
• M25: 55,765,598 km (0.113 R)
• M26: 62,672,083 km (0.075 R)
• M27: 71,424,606 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.6

Radius: 6.6

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.65 AU - 9.79 AU

Year: 18100 Days

Day: 17.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,809,392 km

• M1: 92,751 km (0.034 R)
• M2: 539,899 km (0.082 R)
• M3: 1,245,253 km (0.116 R)
• M4: 4,904,716 km (0.084 R)
• M5: 5,947,263 km (0.098 R)
• M6: 6,599,809 km (0.115 R)
• M7: 7,005,369 km (0.106 R)
• M8: 7,688,732 km (0.064 R)
• M9: 12,201,202 km (0.051 R)
• M10: 14,227,655 km (0.102 R)
• M11: 14,495,884 km (0.111 R)
• M12: 15,181,042 km (0.079 R)
• M13: 19,752,454 km (0.118 R)
• M14: 21,459,515 km (0.081 R)
• M15: 24,872,740 km (0.045 R)
• M16: 25,164,307 km (0.106 R)
• M17: 34,288,131 km (0.07 R)
• M18: 37,250,169 km (0.11 R)
• M19: 37,504,485 km (0.04 R)
• M20: 41,459,105 km (0.113 R)
• M21: 42,558,799 km (0.113 R)
• M22: 44,387,035 km (0.067 R)
• M23: 45,248,120 km (0.109 R)
• M24: 46,855,848 km (0.079 R)
• M25: 53,023,170 km (0.081 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 13,035 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit