🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.1

Radius: 10.1

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.21 AU - 1.35 AU

Year: 950 Days

Day: 11.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 73,866,573 km

• M1: 125,812 km (0.032 R)
• M2: 1,054,964 km (0.065 R)
• M3: 1,393,504 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.2

Radius: 14.5

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.64 AU - 3.16 AU

Year: 3240 Days

Day: 5.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,866,573 km

• M1: 180,415 km (0.099 R)
• M2: 665,561 km (0.076 R)
• M3: 1,378,395 km (0.111 R)
• M4: 2,008,950 km (0.115 R)
• M5: 2,881,554 km (0.073 R)
• M6: 3,880,270 km (0.11 R)
• M7: 4,735,072 km (0.116 R)
• M8: 5,440,725 km (0.094 R)
• M9: 6,772,445 km (0.118 R)
• M10: 11,414,168 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559

Radius: 12.3

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.86 AU - 3.26 AU

Year: 3511 Days

Day: 7.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,866,573 km

• M1: 153,637 km (0.059 R)
• M2: 598,541 km (0.027 R)
• M3: 1,126,921 km (0.058 R)
• M4: 1,656,796 km (0.087 R)
• M5: 2,322,208 km (0.052 R)
• M6: 2,937,354 km (0.118 R)
• M7: 3,468,127 km (0.067 R)
• M8: 3,979,303 km (0.12 R)
• M9: 4,864,175 km (0.096 R)
• M10: 5,328,527 km (0.073 R)
• M11: 6,605,793 km (0.092 R)
• M12: 7,553,944 km (0.069 R)
• M13: 8,010,966 km (0.114 R)
• M14: 8,731,130 km (0.115 R)
• M15: 9,382,330 km (0.026 R)
• M16: 10,945,777 km (0.072 R)
• M17: 12,095,137 km (0.104 R)
• M18: 12,540,790 km (0.065 R)
• M19: 14,986,266 km (0.105 R)
• M20: 16,294,350 km (0.116 R)
• M21: 17,394,492 km (0.099 R)
• M22: 19,620,359 km (0.082 R)
• M23: 20,992,620 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.8

Radius: 13.8

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.92 AU - 3.2 AU

Year: 3511 Days

Day: 13.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,866,573 km

• M1: 171,589 km (0.055 R)
• M2: 1,089,970 km (0.112 R)
• M3: 2,108,881 km (0.104 R)
• M4: 2,713,107 km (0.115 R)
• M5: 3,253,754 km (0.103 R)
• M6: 4,231,825 km (0.093 R)
• M7: 4,963,657 km (0.057 R)
• M8: 5,909,714 km (0.079 R)
• M9: 8,492,821 km (0.032 R)
• M10: 14,424,526 km (0.104 R)
• M11: 16,663,108 km (0.107 R)
• M12: 20,626,554 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.1

Radius: 14.8

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.57 AU - 3.79 AU

Year: 4631 Days

Day: 11 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,866,573 km

• M1: 185,651 km (0.034 R)
• M2: 774,319 km (0.067 R)
• M3: 4,299,742 km (0.101 R)
• M4: 5,066,281 km (0.105 R)
• M5: 5,569,080 km (0.113 R)
• M6: 6,567,496 km (0.094 R)
• M7: 7,166,935 km (0.074 R)
• M8: 7,875,730 km (0.088 R)
• M9: 8,476,215 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.1

Radius: 9.2

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.8 AU - 4.46 AU

Year: 5506 Days

Day: 8.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,866,573 km

• M1: 114,442 km (0.074 R)
• M2: 463,305 km (0.1 R)
• M3: 1,141,581 km (0.117 R)
• M4: 1,802,355 km (0.064 R)
• M5: 2,139,998 km (0.1 R)
• M6: 2,772,797 km (0.084 R)
• M7: 3,309,703 km (0.104 R)
• M8: 4,156,278 km (0.077 R)
• M9: 4,564,530 km (0.086 R)
• M10: 5,027,236 km (0.06 R)
• M11: 5,491,139 km (0.045 R)
• M12: 5,826,538 km (0.057 R)
• M13: 6,143,237 km (0.093 R)
• M14: 7,056,232 km (0.12 R)
• M15: 7,563,968 km (0.103 R)
• M16: 11,429,577 km (0.084 R)
• M17: 12,335,691 km (0.063 R)
• M18: 15,642,552 km (0.11 R)
• M19: 17,401,374 km (0.036 R)
• M20: 19,709,370 km (0.079 R)
• M21: 20,352,940 km (0.106 R)
• M22: 21,010,572 km (0.075 R)
• M23: 22,061,348 km (0.105 R)
• M24: 24,594,488 km (0.091 R)
• M25: 26,964,567 km (0.106 R)
• M26: 30,608,921 km (0.1 R)
• M27: 30,990,396 km (0.103 R)
• M28: 32,746,974 km (0.085 R)
• M29: 34,056,105 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.9

Radius: 11.7

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.37 AU - 5.75 AU

Year: 8600 Days

Day: 5.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,866,573 km

• M1: 150,645 km (0.118 R)
• M2: 543,489 km (0.071 R)
• M3: 1,144,125 km (0.063 R)
• M4: 1,642,136 km (0.117 R)
• M5: 2,444,728 km (0.106 R)
• M6: 2,873,476 km (0.081 R)
• M7: 3,468,875 km (0.081 R)
• M8: 4,279,546 km (0.075 R)
• M9: 5,181,173 km (0.045 R)
• M10: 6,382,593 km (0.079 R)
• M11: 7,802,127 km (0.052 R)
• M12: 9,468,947 km (0.106 R)
• M13: 12,341,226 km (0.101 R)
• M14: 13,199,768 km (0.037 R)
• M15: 13,914,996 km (0.101 R)
• M16: 15,618,466 km (0.108 R)
• M17: 21,969,644 km (0.103 R)
• M18: 22,468,104 km (0.072 R)
• M19: 24,449,229 km (0.1 R)
• M20: 26,079,098 km (0.101 R)
• M21: 28,070,694 km (0.065 R)
• M22: 31,823,207 km (0.092 R)
• M23: 33,654,435 km (0.045 R)
• M24: 34,428,604 km (0.096 R)
• M25: 36,012,396 km (0.09 R)
• M26: 37,408,144 km (0.107 R)
• M27: 41,180,255 km (0.053 R)
• M28: 42,706,303 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.8

Radius: 3.9

Gravity: 55.87 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 6.7 AU - 10.62 AU

Year: 16718 Days

Day: 19.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 133.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,866,573 km

• M1: 49,068 km (0.059 R)
• M2: 492,775 km (0.115 R)
• M3: 1,181,374 km (0.064 R)
• M4: 1,556,267 km (0.059 R)
• M5: 1,872,217 km (0.048 R)
• M6: 2,537,329 km (0.096 R)
• M7: 2,749,908 km (0.075 R)
• M8: 4,283,286 km (0.052 R)
• M9: 5,732,740 km (0.114 R)
• M10: 6,182,431 km (0.104 R)
• M11: 7,917,168 km (0.066 R)
• M12: 8,167,146 km (0.076 R)
• M13: 9,111,109 km (0.07 R)
• M14: 11,026,560 km (0.12 R)
• M15: 15,630,434 km (0.11 R)
• M16: 16,183,198 km (0.117 R)
• M17: 25,561,190 km (0.055 R)
• M18: 35,119,746 km (0.072 R)
• M19: 39,731,250 km (0.071 R)
• M20: 42,561,193 km (0.117 R)
• M21: 57,243,625 km (0.116 R)
• M22: 59,310,619 km (0.086 R)
• M23: 63,195,526 km (0.054 R)
• M24: 64,795,775 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.3

Radius: 3

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.47 AU - 10.95 AU

Year: 19849 Days

Day: 21.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,866,573 km

• M1: 194,028 km (0.074 R)
• M2: 322,982 km (0.097 R)
• M3: 508,184 km (0.115 R)
• M4: 696,079 km (0.114 R)
• M5: 1,153,549 km (0.087 R)
• M6: 2,430,666 km (0.116 R)
• M7: 3,633,732 km (0.12 R)
• M8: 3,730,821 km (0.116 R)
• M9: 4,188,740 km (0.117 R)
• M10: 4,626,314 km (0.032 R)
• M11: 5,369,965 km (0.11 R)
• M12: 6,053,478 km (0.11 R)
• M13: 8,114,637 km (0.081 R)
• M14: 11,100,461 km (0.104 R)
• M15: 11,202,337 km (0.097 R)
• M16: 13,260,505 km (0.096 R)
• M17: 13,900,185 km (0.103 R)
• M18: 16,532,360 km (0.094 R)
• M19: 16,665,352 km (0.093 R)
• M20: 19,775,791 km (0.061 R)
• M21: 20,380,017 km (0.074 R)
• M22: 22,673,352 km (0.082 R)
• M23: 25,841,536 km (0.112 R)
• M24: 28,521,732 km (0.108 R)
• M25: 29,487,236 km (0.103 R)
• M26: 29,682,910 km (0.098 R)
• M27: 30,674,295 km (0.055 R)
• M28: 33,461,005 km (0.109 R)
• M29: 37,661,862 km (0.081 R)
• M30: 37,892,243 km (0.106 R)
• M31: 39,769,098 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.1

Radius: 6.1

Gravity: 13.14 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.72 AU - 11.48 AU

Year: 22640 Days

Day: 17.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,866,573 km

• M1: 127,906 km (0.104 R)
• M2: 350,657 km (0.031 R)
• M3: 657,333 km (0.081 R)
• M4: 962,064 km (0.08 R)
• M5: 1,201,420 km (0.065 R)
• M6: 1,678,488 km (0.115 R)
• M7: 2,128,628 km (0.118 R)
• M8: 2,703,682 km (0.116 R)
• M9: 3,027,562 km (0.101 R)
• M10: 3,489,969 km (0.075 R)
• M11: 3,753,261 km (0.11 R)
• M12: 5,050,723 km (0.109 R)
• M13: 5,311,921 km (0.066 R)
• M14: 8,971,684 km (0.06 R)
• M15: 9,864,334 km (0.096 R)
• M16: 11,249,161 km (0.072 R)
• M17: 13,455,730 km (0.1 R)
• M18: 17,073,306 km (0.04 R)
• M19: 20,717,061 km (0.096 R)
• M20: 23,380,502 km (0.115 R)
• M21: 23,897,661 km (0.1 R)
• M22: 29,495,315 km (0.095 R)
• M23: 31,206,265 km (0.077 R)
• M24: 32,468,273 km (0.06 R)
• M25: 35,634,961 km (0.048 R)
• M26: 41,060,128 km (0.051 R)
• M27: 47,503,757 km (0.098 R)
• M28: 51,397,789 km (0.104 R)
• M29: 52,977,692 km (0.099 R)
• M30: 55,865,978 km (0.059 R)
• M31: 58,288,566 km (0.101 R)
• M32: 58,667,348 km (0.054 R)
• M33: 60,780,268 km (0.112 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: 345 - 13,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit