🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.7

Radius: 12.2

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.63 AU - 0.89 AU

Year: 428 Days

Day: 6.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,248,358 km

• M1: 151,692 km (0.115 R)
• M2: 715,676 km (0.101 R)
• M3: 1,395,898 km (0.079 R)
• M4: 1,778,120 km (0.059 R)
• M5: 2,506,662 km (0.108 R)
• M6: 3,058,828 km (0.113 R)
• M7: 3,743,238 km (0.086 R)
• M8: 4,572,309 km (0.084 R)
• M9: 5,071,069 km (0.04 R)
• M10: 5,571,623 km (0.111 R)
• M11: 5,959,530 km (0.071 R)
• M12: 6,460,234 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.2

Radius: 13.1

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.35 AU - 1.63 AU

Year: 1174 Days

Day: 7.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,248,358 km

• M1: 162,912 km (0.03 R)
• M2: 806,632 km (0.107 R)
• M3: 1,401,882 km (0.056 R)
• M4: 2,225,568 km (0.062 R)
• M5: 2,902,797 km (0.103 R)
• M6: 3,397,218 km (0.095 R)
• M7: 3,896,725 km (0.08 R)
• M8: 5,831,624 km (0.092 R)
• M9: 6,552,088 km (0.08 R)
• M10: 7,331,044 km (0.118 R)
• M11: 8,312,106 km (0.034 R)
• M12: 10,074,669 km (0.095 R)
• M13: 10,736,639 km (0.028 R)
• M14: 11,856,230 km (0.043 R)
• M15: 12,295,599 km (0.108 R)
• M16: 12,745,739 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.1

Radius: 13.8

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2 AU - 2.76 AU

Year: 2371 Days

Day: 10.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,248,358 km

• M1: 172,486 km (0.06 R)
• M2: 816,655 km (0.094 R)
• M3: 1,342,641 km (0.11 R)
• M4: 1,854,116 km (0.109 R)
• M5: 2,496,190 km (0.08 R)
• M6: 4,901,873 km (0.087 R)
• M7: 7,001,031 km (0.119 R)
• M8: 7,758,146 km (0.048 R)
• M9: 8,895,837 km (0.093 R)
• M10: 9,749,592 km (0.031 R)
• M11: 10,287,546 km (0.088 R)
• M12: 14,719,832 km (0.084 R)
• M13: 16,610,899 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.9

Radius: 10.4

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.63 AU - 3.11 AU

Year: 3139 Days

Day: 5.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,248,358 km

• M1: 130,599 km (0.11 R)
• M2: 497,563 km (0.113 R)
• M3: 943,813 km (0.087 R)
• M4: 1,362,986 km (0.072 R)
• M5: 1,738,926 km (0.081 R)
• M6: 2,072,080 km (0.048 R)
• M7: 2,675,408 km (0.074 R)
• M8: 4,395,485 km (0.107 R)
• M9: 4,910,401 km (0.102 R)
• M10: 6,164,479 km (0.045 R)
• M11: 8,269,621 km (0.064 R)
• M12: 8,788,426 km (0.052 R)
• M13: 10,035,175 km (0.081 R)
• M14: 10,891,323 km (0.069 R)
• M15: 11,795,343 km (0.034 R)
• M16: 12,876,637 km (0.034 R)
• M17: 16,115,431 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.4

Radius: 8.3

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.59 AU - 3.67 AU

Year: 4466 Days

Day: 15 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,248,358 km

• M1: 103,671 km (0.078 R)
• M2: 436,377 km (0.109 R)
• M3: 727,046 km (0.034 R)
• M4: 1,126,322 km (0.106 R)
• M5: 1,602,941 km (0.115 R)
• M6: 2,631,576 km (0.056 R)
• M7: 2,894,420 km (0.036 R)
• M8: 3,260,934 km (0.101 R)
• M9: 3,772,110 km (0.114 R)
• M10: 4,251,871 km (0.063 R)
• M11: 6,230,153 km (0.097 R)
• M12: 6,672,215 km (0.065 R)
• M13: 7,135,070 km (0.115 R)
• M14: 8,287,572 km (0.116 R)
• M15: 9,887,821 km (0.083 R)
• M16: 11,478,944 km (0.08 R)
• M17: 12,399,719 km (0.12 R)
• M18: 13,641,830 km (0.087 R)
• M19: 15,758,191 km (0.112 R)
• M20: 18,084,288 km (0.052 R)
• M21: 18,870,126 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.6

Radius: 10.4

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.89 AU - 4.63 AU

Year: 5677 Days

Day: 14.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,248,358 km

• M1: 129,402 km (0.116 R)
• M2: 1,088,624 km (0.092 R)
• M3: 1,605,185 km (0.083 R)
• M4: 3,150,531 km (0.089 R)
• M5: 5,490,990 km (0.094 R)
• M6: 7,262,827 km (0.11 R)
• M7: 7,601,217 km (0.097 R)
• M8: 9,158,382 km (0.115 R)
• M9: 11,250,657 km (0.089 R)
• M10: 12,608,557 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.9

Radius: 12.5

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.9 AU - 5.08 AU

Year: 7197 Days

Day: 9.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,248,358 km

• M1: 155,582 km (0.104 R)
• M2: 771,476 km (0.057 R)
• M3: 2,827,699 km (0.107 R)
• M4: 5,460,621 km (0.109 R)
• M5: 5,963,570 km (0.103 R)
• M6: 7,686,488 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.9

Radius: 12.9

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.03 AU - 5.33 AU

Year: 7612 Days

Day: 14.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,248,358 km

• M1: 160,369 km (0.078 R)
• M2: 659,876 km (0.105 R)
• M3: 1,083,089 km (0.1 R)
• M4: 1,627,924 km (0.101 R)
• M5: 2,149,572 km (0.036 R)
• M6: 2,782,072 km (0.099 R)
• M7: 3,241,337 km (0.071 R)
• M8: 3,924,700 km (0.094 R)
• M9: 4,589,064 km (0.119 R)
• M10: 5,452,693 km (0.104 R)
• M11: 6,492,697 km (0.088 R)
• M12: 7,079,121 km (0.099 R)
• M13: 7,861,667 km (0.114 R)
• M14: 9,323,687 km (0.108 R)
• M15: 10,119,249 km (0.082 R)
• M16: 10,707,916 km (0.072 R)
• M17: 11,633,478 km (0.032 R)
• M18: 16,337,733 km (0.093 R)
• M19: 16,739,852 km (0.073 R)
• M20: 18,199,927 km (0.077 R)
• M21: 29,674,533 km (0.114 R)
• M22: 31,291,536 km (0.101 R)
• M23: 31,704,726 km (0.038 R)
• M24: 32,859,920 km (0.108 R)
• M25: 34,590,169 km (0.046 R)
• M26: 35,365,834 km (0.101 R)
• M27: 36,722,687 km (0.074 R)
• M28: 38,349,115 km (0.065 R)
• M29: 40,144,589 km (0.082 R)
• M30: 41,745,435 km (0.034 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.4

Radius: 4.5

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.45 AU - 12.13 AU

Year: 19778 Days

Day: 20.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,248,358 km

• M1: 55,950 km (0.098 R)
• M2: 256,560 km (0.113 R)
• M3: 514,168 km (0.108 R)
• M4: 1,277,865 km (0.045 R)
• M5: 1,488,499 km (0.069 R)
• M6: 1,752,689 km (0.12 R)
• M7: 1,979,479 km (0.053 R)
• M8: 2,471,955 km (0.096 R)
• M9: 2,864,650 km (0.09 R)
• M10: 3,226,676 km (0.092 R)
• M11: 3,394,376 km (0.089 R)
• M12: 4,705,900 km (0.054 R)
• M13: 6,472,053 km (0.087 R)
• M14: 7,460,595 km (0.077 R)
• M15: 8,728,587 km (0.1 R)
• M16: 9,245,148 km (0.109 R)
• M17: 9,486,450 km (0.102 R)
• M18: 13,019,054 km (0.117 R)
• M19: 17,411,995 km (0.086 R)
• M20: 21,415,085 km (0.11 R)
• M21: 21,837,699 km (0.102 R)
• M22: 22,265,848 km (0.065 R)
• M23: 23,050,788 km (0.09 R)
• M24: 23,944,186 km (0.11 R)
• M25: 24,767,872 km (0.081 R)
• M26: 28,862,516 km (0.11 R)
• M27: 31,938,846 km (0.105 R)
• M28: 37,499,100 km (0.067 R)
• M29: 38,983,410 km (0.112 R)
• M30: 42,200,811 km (0.085 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 362

Radius: 4.8

Gravity: 15.71 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.6 AU - 11.04 AU

Year: 19869 Days

Day: 22.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,248,358 km

• M1: 59,690 km (0.107 R)
• M2: 242,349 km (0.063 R)
• M3: 642,672 km (0.085 R)
• M4: 833,709 km (0.096 R)
• M5: 993,031 km (0.11 R)
• M6: 1,160,131 km (0.095 R)
• M7: 1,598,752 km (0.045 R)
• M8: 2,507,410 km (0.076 R)
• M9: 2,914,466 km (0.03 R)
• M10: 3,390,785 km (0.103 R)
• M11: 3,633,732 km (0.057 R)
• M12: 4,690,940 km (0.046 R)
• M13: 5,027,087 km (0.048 R)
• M14: 5,236,524 km (0.088 R)
• M15: 6,534,884 km (0.048 R)
• M16: 7,986,881 km (0.093 R)
• M17: 8,813,110 km (0.114 R)
• M18: 8,964,503 km (0.079 R)
• M19: 10,520,171 km (0.105 R)
• M20: 12,372,641 km (0.084 R)
• M21: 24,955,468 km (0.106 R)
• M22: 25,770,477 km (0.112 R)
• M23: 29,545,879 km (0.057 R)
• M24: 32,577,928 km (0.064 R)
• M25: 33,673,882 km (0.055 R)
• M26: 37,770,022 km (0.08 R)
• M27: 38,170,196 km (0.09 R)
• M28: 38,843,536 km (0.042 R)
• M29: 41,192,073 km (0.059 R)
• M30: 43,926,872 km (0.064 R)
• M31: 44,369,532 km (0.1 R)
• M32: 47,706,611 km (0.076 R)
• M33: 50,236,012 km (0.115 R)
• M34: 56,251,043 km (0.064 R)
• M35: 58,892,942 km (0.095 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 18,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit