🌌 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 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.9

Radius: 8.8

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.62 AU - 0.72 AU

Year: 379 Days

Day: 12.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,791,900 km

• M1: 109,506 km (0.065 R)
• M2: 393,891 km (0.079 R)
• M3: 796,010 km (0.096 R)
• M4: 1,358,797 km (0.072 R)
• M5: 2,270,148 km (0.038 R)
• M6: 2,667,480 km (0.079 R)
• M7: 2,982,234 km (0.117 R)
• M8: 4,583,380 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.6

Radius: 11.4

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.75 AU - 0.75 AU

Year: 448 Days

Day: 10.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,791,900 km

• M1: 141,819 km (0.087 R)
• M2: 497,712 km (0.103 R)
• M3: 1,032,674 km (0.092 R)
• M4: 1,510,938 km (0.11 R)
• M5: 2,221,379 km (0.113 R)
• M6: 3,406,792 km (0.102 R)
• M7: 4,019,096 km (0.056 R)
• M8: 4,703,507 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.3

Radius: 14

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.21 AU - 1.27 AU

Year: 953 Days

Day: 6 Hours

Environment

Temp: -183 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,791,900 km

• M1: 183,257 km (0.051 R)
• M2: 714,779 km (0.03 R)
• M3: 1,157,439 km (0.097 R)
• M4: 1,977,235 km (0.118 R)
• M5: 2,560,517 km (0.114 R)
• M6: 3,295,043 km (0.086 R)
• M7: 4,531,170 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.3

Radius: 8.1

Gravity: 11.25 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.02 AU - 2.58 AU

Year: 2408 Days

Day: 14.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,791,900 km

• M1: 101,128 km (0.119 R)
• M2: 365,617 km (0.101 R)
• M3: 686,505 km (0.064 R)
• M4: 1,051,374 km (0.081 R)
• M5: 1,385,725 km (0.113 R)
• M6: 1,647,372 km (0.075 R)
• M7: 2,395,361 km (0.075 R)
• M8: 2,965,479 km (0.093 R)
• M9: 3,604,561 km (0.026 R)
• M10: 3,888,497 km (0.076 R)
• M11: 4,480,157 km (0.081 R)
• M12: 5,060,298 km (0.097 R)
• M13: 5,515,374 km (0.085 R)
• M14: 6,049,588 km (0.059 R)
• M15: 6,424,630 km (0.091 R)
• M16: 9,183,065 km (0.111 R)
• M17: 12,862,425 km (0.087 R)
• M18: 13,126,166 km (0.091 R)
• M19: 13,755,524 km (0.117 R)
• M20: 14,310,981 km (0.05 R)
• M21: 15,515,992 km (0.106 R)
• M22: 16,067,111 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945

Radius: 14.2

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.44 AU - 3.26 AU

Year: 3321 Days

Day: 8.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,791,900 km

• M1: 176,675 km (0.073 R)
• M2: 649,554 km (0.065 R)
• M3: 1,604,288 km (0.102 R)
• M4: 2,086,442 km (0.065 R)
• M5: 2,682,589 km (0.063 R)
• M6: 3,184,789 km (0.119 R)
• M7: 4,784,589 km (0.101 R)
• M8: 6,901,099 km (0.101 R)
• M9: 7,957,709 km (0.069 R)
• M10: 8,597,838 km (0.092 R)
• M11: 9,081,488 km (0.073 R)
• M12: 11,509,462 km (0.118 R)
• M13: 12,005,977 km (0.106 R)
• M14: 13,139,331 km (0.106 R)
• M15: 14,550,487 km (0.107 R)
• M16: 15,292,942 km (0.118 R)
• M17: 20,030,108 km (0.076 R)
• M18: 24,611,542 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.1

Radius: 8.1

Gravity: 11.69 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.29 AU - 4.01 AU

Year: 4813 Days

Day: 14.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,791,900 km

• M1: 100,679 km (0.111 R)
• M2: 378,931 km (0.054 R)
• M3: 687,253 km (0.08 R)
• M4: 1,026,241 km (0.058 R)
• M5: 1,351,916 km (0.063 R)
• M6: 2,050,837 km (0.084 R)
• M7: 2,696,352 km (0.112 R)
• M8: 4,459,812 km (0.087 R)
• M9: 4,714,577 km (0.102 R)
• M10: 5,033,370 km (0.12 R)
• M11: 6,138,749 km (0.112 R)
• M12: 6,814,931 km (0.113 R)
• M13: 7,188,626 km (0.105 R)
• M14: 7,611,540 km (0.108 R)
• M15: 11,332,487 km (0.077 R)
• M16: 14,120,393 km (0.107 R)
• M17: 15,643,449 km (0.113 R)
• M18: 16,778,897 km (0.041 R)
• M19: 18,032,378 km (0.09 R)
• M20: 18,681,932 km (0.082 R)
• M21: 19,145,984 km (0.04 R)
• M22: 22,092,763 km (0.038 R)
• M23: 22,761,316 km (0.075 R)
• M24: 28,955,865 km (0.066 R)
• M25: 29,577,294 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.4

Radius: 6

Gravity: 22.73 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.42 AU - 7.02 AU

Year: 12024 Days

Day: 17.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,791,900 km

• M1: 74,649 km (0.113 R)
• M2: 264,639 km (0.119 R)
• M3: 462,407 km (0.108 R)
• M4: 686,205 km (0.062 R)
• M5: 1,269,188 km (0.089 R)
• M6: 2,776,836 km (0.079 R)
• M7: 3,127,942 km (0.103 R)
• M8: 4,868,064 km (0.115 R)
• M9: 5,343,636 km (0.12 R)
• M10: 5,887,125 km (0.075 R)
• M11: 7,125,945 km (0.08 R)
• M12: 8,433,730 km (0.115 R)
• M13: 9,220,016 km (0.109 R)
• M14: 17,119,083 km (0.115 R)
• M15: 17,350,062 km (0.065 R)
• M16: 20,894,335 km (0.087 R)
• M17: 21,692,589 km (0.118 R)
• M18: 28,826,462 km (0.102 R)
• M19: 29,044,277 km (0.106 R)
• M20: 33,394,433 km (0.095 R)
• M21: 37,378,823 km (0.036 R)
• M22: 37,637,927 km (0.114 R)
• M23: 38,028,826 km (0.079 R)
• M24: 38,554,064 km (0.081 R)
• M25: 42,932,046 km (0.068 R)
• M26: 43,358,699 km (0.117 R)
• M27: 48,087,488 km (0.065 R)
• M28: 48,393,864 km (0.075 R)
• M29: 50,734,023 km (0.101 R)
• M30: 51,370,562 km (0.104 R)
• M31: 52,497,334 km (0.12 R)
• M32: 53,805,118 km (0.102 R)
• M33: 55,976,382 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.2

Radius: 3.3

Gravity: 68.98 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.45 AU - 9.37 AU

Year: 15356 Days

Day: 19.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 65,791,900 km

• M1: 40,990 km (0.046 R)
• M2: 399,426 km (0.025 R)
• M3: 543,788 km (0.106 R)
• M4: 770,130 km (0.085 R)
• M5: 2,018,823 km (0.093 R)
• M6: 2,319,066 km (0.03 R)
• M7: 2,490,954 km (0.115 R)
• M8: 3,108,644 km (0.093 R)
• M9: 4,344,472 km (0.054 R)
• M10: 6,609,384 km (0.112 R)
• M11: 7,043,217 km (0.081 R)
• M12: 7,919,562 km (0.088 R)
• M13: 8,865,918 km (0.053 R)
• M14: 14,601,201 km (0.114 R)
• M15: 16,093,440 km (0.092 R)
• M16: 16,560,185 km (0.088 R)
• M17: 16,717,861 km (0.105 R)
• M18: 17,036,056 km (0.074 R)
• M19: 18,181,377 km (0.108 R)
• M20: 19,551,993 km (0.104 R)
• M21: 21,734,775 km (0.044 R)
• M22: 22,400,785 km (0.027 R)
• M23: 23,080,259 km (0.106 R)
• M24: 23,474,748 km (0.111 R)
• M25: 24,378,469 km (0.026 R)
• M26: 25,935,932 km (0.06 R)
• M27: 26,362,137 km (0.097 R)
• M28: 28,113,928 km (0.114 R)
• M29: 30,765,700 km (0.071 R)
• M30: 31,363,343 km (0.046 R)
• M31: 35,113,313 km (0.068 R)
• M32: 36,693,366 km (0.11 R)
• M33: 37,365,359 km (0.054 R)
• M34: 40,849,344 km (0.091 R)
• M35: 42,154,735 km (0.093 R)
• M36: 44,391,672 km (0.05 R)
• M37: 47,178,980 km (0.088 R)
• M38: 47,973,344 km (0.099 R)
• M39: 52,587,691 km (0.113 R)
• M40: 54,304,775 km (0.055 R)
• M41: 54,478,608 km (0.067 R)
• M42: 57,669,530 km (0.108 R)
• M43: 59,679,677 km (0.105 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: 340 - 17,472 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit