🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.4

Radius: 8.2

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.52 AU - 0.56 AU

Year: 265 Days

Day: 7.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,724,833 km

• M1: 102,475 km (0.1 R)
• M2: 379,829 km (0.07 R)
• M3: 686,654 km (0.11 R)
• M4: 943,065 km (0.056 R)
• M5: 1,245,103 km (0.068 R)
• M6: 1,506,750 km (0.102 R)
• M7: 1,812,079 km (0.036 R)
• M8: 2,085,993 km (0.088 R)
• M9: 2,607,640 km (0.06 R)
• M10: 3,079,622 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629

Radius: 14.5

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.5 AU - 1.56 AU

Year: 1262 Days

Day: 14.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,724,833 km

• M1: 180,415 km (0.094 R)
• M2: 746,194 km (0.074 R)
• M3: 1,640,341 km (0.112 R)
• M4: 2,196,396 km (0.056 R)
• M5: 3,306,263 km (0.078 R)
• M6: 4,596,843 km (0.074 R)
• M7: 5,327,180 km (0.053 R)
• M8: 6,661,144 km (0.107 R)
• M9: 9,315,011 km (0.11 R)
• M10: 10,976,744 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.4

Radius: 14.6

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.92 AU - 2.32 AU

Year: 2058 Days

Day: 14.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,724,833 km

• M1: 181,761 km (0.105 R)
• M2: 931,995 km (0.045 R)
• M3: 2,159,445 km (0.052 R)
• M4: 4,616,590 km (0.119 R)
• M5: 5,717,331 km (0.098 R)
• M6: 9,138,336 km (0.094 R)
• M7: 9,714,587 km (0.086 R)
• M8: 12,810,814 km (0.081 R)
• M9: 13,656,939 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.5

Radius: 9.6

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.29 AU - 4.57 AU

Year: 5195 Days

Day: 13 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,724,833 km

• M1: 122,371 km (0.113 R)
• M2: 474,824 km (0.082 R)
• M3: 844,330 km (0.098 R)
• M4: 1,454,690 km (0.111 R)
• M5: 1,756,129 km (0.082 R)
• M6: 2,223,922 km (0.074 R)
• M7: 2,963,085 km (0.072 R)
• M8: 3,904,355 km (0.042 R)
• M9: 5,061,195 km (0.064 R)
• M10: 6,044,951 km (0.114 R)
• M11: 6,465,770 km (0.076 R)
• M12: 6,802,664 km (0.116 R)
• M13: 7,151,227 km (0.06 R)
• M14: 8,114,039 km (0.109 R)
• M15: 9,118,888 km (0.038 R)
• M16: 11,471,763 km (0.049 R)
• M17: 13,105,821 km (0.1 R)
• M18: 14,543,456 km (0.115 R)
• M19: 16,329,655 km (0.082 R)
• M20: 17,083,478 km (0.085 R)
• M21: 22,791,236 km (0.05 R)
• M22: 27,144,534 km (0.064 R)
• M23: 28,202,041 km (0.083 R)
• M24: 32,119,560 km (0.098 R)
• M25: 33,502,144 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.4

Radius: 10.7

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.95 AU - 5.55 AU

Year: 6904 Days

Day: 7.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,724,833 km

• M1: 133,142 km (0.11 R)
• M2: 470,934 km (0.111 R)
• M3: 818,300 km (0.072 R)
• M4: 1,445,863 km (0.105 R)
• M5: 1,841,101 km (0.103 R)
• M6: 3,924,401 km (0.065 R)
• M7: 4,862,080 km (0.034 R)
• M8: 6,540,419 km (0.105 R)
• M9: 6,904,241 km (0.104 R)
• M10: 7,528,962 km (0.114 R)
• M11: 8,153,084 km (0.09 R)
• M12: 9,715,634 km (0.091 R)
• M13: 11,000,530 km (0.113 R)
• M14: 11,468,921 km (0.058 R)
• M15: 14,508,450 km (0.07 R)
• M16: 15,591,838 km (0.079 R)
• M17: 18,965,270 km (0.118 R)
• M18: 19,435,606 km (0.084 R)
• M19: 20,892,988 km (0.083 R)
• M20: 21,250,527 km (0.088 R)
• M21: 21,904,419 km (0.059 R)
• M22: 25,701,961 km (0.071 R)
• M23: 26,195,186 km (0.069 R)
• M24: 28,318,877 km (0.119 R)
• M25: 30,463,213 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793.9

Radius: 8

Gravity: 12.4 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.7 AU - 6.76 AU

Year: 11643 Days

Day: 23.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,724,833 km

• M1: 99,483 km (0.066 R)
• M2: 544,536 km (0.054 R)
• M3: 1,601,296 km (0.054 R)
• M4: 2,044,405 km (0.106 R)
• M5: 2,403,439 km (0.104 R)
• M6: 2,826,502 km (0.088 R)
• M7: 4,369,455 km (0.111 R)
• M8: 5,270,183 km (0.064 R)
• M9: 5,548,884 km (0.083 R)
• M10: 5,911,360 km (0.083 R)
• M11: 6,212,500 km (0.083 R)
• M12: 6,927,877 km (0.077 R)
• M13: 8,286,974 km (0.073 R)
• M14: 8,712,879 km (0.103 R)
• M15: 9,867,625 km (0.107 R)
• M16: 14,074,018 km (0.104 R)
• M17: 15,304,461 km (0.087 R)
• M18: 16,604,915 km (0.034 R)
• M19: 18,292,678 km (0.081 R)
• M20: 18,852,772 km (0.098 R)
• M21: 19,424,386 km (0.089 R)
• M22: 29,115,486 km (0.086 R)
• M23: 30,544,145 km (0.025 R)
• M24: 32,598,423 km (0.099 R)
• M25: 34,138,234 km (0.092 R)
• M26: 34,500,411 km (0.116 R)
• M27: 37,875,638 km (0.11 R)
• M28: 44,408,278 km (0.111 R)
• M29: 45,565,417 km (0.049 R)
• M30: 47,638,395 km (0.094 R)
• M31: 48,393,714 km (0.05 R)
• M32: 53,580,871 km (0.115 R)
• M33: 54,233,716 km (0.114 R)
• M34: 55,222,857 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855

Radius: 5.8

Gravity: 25.42 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6.87 AU - 9.09 AU

Year: 15033 Days

Day: 20.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,724,833 km

• M1: 72,106 km (0.042 R)
• M2: 376,089 km (0.073 R)
• M3: 735,124 km (0.119 R)
• M4: 1,180,776 km (0.119 R)
• M5: 2,247,708 km (0.084 R)
• M6: 2,503,371 km (0.073 R)
• M7: 2,826,053 km (0.077 R)
• M8: 3,124,501 km (0.053 R)
• M9: 3,443,743 km (0.118 R)
• M10: 6,278,174 km (0.11 R)
• M11: 7,507,270 km (0.058 R)
• M12: 9,420,926 km (0.103 R)
• M13: 10,373,864 km (0.096 R)
• M14: 13,340,390 km (0.08 R)
• M15: 14,539,417 km (0.098 R)
• M16: 19,967,426 km (0.099 R)
• M17: 22,587,782 km (0.12 R)
• M18: 23,777,834 km (0.056 R)
• M19: 25,323,329 km (0.09 R)
• M20: 25,746,542 km (0.106 R)
• M21: 29,187,741 km (0.043 R)
• M22: 35,101,495 km (0.092 R)
• M23: 46,175,627 km (0.082 R)
• M24: 46,490,680 km (0.049 R)
• M25: 47,604,586 km (0.108 R)
• M26: 49,720,498 km (0.107 R)
• M27: 52,580,809 km (0.089 R)
• M28: 56,622,794 km (0.098 R)
• M29: 56,983,774 km (0.079 R)
• M30: 62,199,653 km (0.076 R)
• M31: 63,941,421 km (0.064 R)
• M32: 67,724,901 km (0.084 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: 526 - 17,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit