🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.3

Radius: 13.6

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.57 AU - 0.57 AU

Year: 302 Days

Day: 13.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 69,435,666 km

• M1: 169,494 km (0.079 R)
• M2: 601,084 km (0.095 R)
• M3: 1,171,202 km (0.098 R)
• M4: 1,678,488 km (0.111 R)
• M5: 2,130,872 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471

Radius: 12.8

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.4 AU - 2.16 AU

Year: 1669 Days

Day: 6.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,435,666 km

• M1: 159,771 km (0.06 R)
• M2: 688,449 km (0.113 R)
• M3: 1,145,321 km (0.12 R)
• M4: 1,919,789 km (0.086 R)
• M5: 2,854,477 km (0.099 R)
• M6: 4,673,737 km (0.106 R)
• M7: 6,333,675 km (0.092 R)
• M8: 6,941,042 km (0.115 R)
• M9: 7,911,035 km (0.097 R)
• M10: 8,999,060 km (0.119 R)
• M11: 10,546,500 km (0.107 R)
• M12: 11,720,096 km (0.066 R)
• M13: 12,227,980 km (0.081 R)
• M14: 12,674,979 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.2

Radius: 12.1

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.07 AU - 3.21 AU

Year: 3911 Days

Day: 8.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,435,666 km

• M1: 154,535 km (0.109 R)
• M2: 532,120 km (0.103 R)
• M3: 1,044,193 km (0.085 R)
• M4: 1,554,920 km (0.078 R)
• M5: 2,512,047 km (0.081 R)
• M6: 2,971,163 km (0.115 R)
• M7: 3,351,890 km (0.041 R)
• M8: 3,889,993 km (0.087 R)
• M9: 5,014,521 km (0.052 R)
• M10: 5,666,319 km (0.099 R)
• M11: 6,492,398 km (0.112 R)
• M12: 7,931,230 km (0.104 R)
• M13: 8,671,141 km (0.092 R)
• M14: 11,169,575 km (0.113 R)
• M15: 11,918,612 km (0.031 R)
• M16: 12,795,106 km (0.075 R)
• M17: 13,176,730 km (0.079 R)
• M18: 14,265,803 km (0.104 R)
• M19: 15,846,454 km (0.103 R)
• M20: 16,287,019 km (0.084 R)
• M21: 21,756,318 km (0.08 R)
• M22: 22,301,003 km (0.07 R)
• M23: 22,715,389 km (0.08 R)
• M24: 23,488,661 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.9

Radius: 12.4

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.51 AU - 4.19 AU

Year: 4310 Days

Day: 7.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,435,666 km

• M1: 166,502 km (0.106 R)
• M2: 912,098 km (0.097 R)
• M3: 1,658,292 km (0.081 R)
• M4: 2,386,086 km (0.113 R)
• M5: 2,798,378 km (0.096 R)
• M6: 5,271,081 km (0.073 R)
• M7: 5,716,583 km (0.115 R)
• M8: 6,715,598 km (0.116 R)
• M9: 7,240,238 km (0.073 R)
• M10: 7,686,638 km (0.089 R)
• M11: 8,078,584 km (0.109 R)
• M12: 10,328,985 km (0.071 R)
• M13: 15,462,286 km (0.078 R)
• M14: 17,393,146 km (0.102 R)
• M15: 19,479,887 km (0.118 R)
• M16: 21,941,370 km (0.091 R)
• M17: 22,952,353 km (0.068 R)
• M18: 23,994,002 km (0.06 R)
• M19: 24,911,785 km (0.11 R)
• M20: 27,144,384 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.5

Radius: 11.6

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.63 AU - 4.39 AU

Year: 4622 Days

Day: 6.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,435,666 km

• M1: 144,362 km (0.119 R)
• M2: 714,330 km (0.088 R)
• M3: 1,133,204 km (0.105 R)
• M4: 1,630,916 km (0.113 R)
• M5: 2,257,133 km (0.113 R)
• M6: 3,115,824 km (0.057 R)
• M7: 4,180,512 km (0.109 R)
• M8: 4,863,128 km (0.116 R)
• M9: 5,358,446 km (0.049 R)
• M10: 6,227,460 km (0.1 R)
• M11: 7,222,884 km (0.05 R)
• M12: 7,722,392 km (0.036 R)
• M13: 8,244,787 km (0.089 R)
• M14: 8,790,670 km (0.104 R)
• M15: 9,654,747 km (0.118 R)
• M16: 10,847,790 km (0.085 R)
• M17: 12,186,243 km (0.104 R)
• M18: 13,631,956 km (0.093 R)
• M19: 14,845,644 km (0.059 R)
• M20: 19,053,234 km (0.062 R)
• M21: 19,801,223 km (0.111 R)
• M22: 21,428,698 km (0.119 R)
• M23: 22,763,261 km (0.045 R)
• M24: 23,605,646 km (0.115 R)
• M25: 25,597,392 km (0.103 R)
• M26: 27,958,496 km (0.043 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.8

Radius: 6.8

Gravity: 15.16 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.13 AU - 7.27 AU

Year: 12190 Days

Day: 24.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,435,666 km

• M1: 112,797 km (0.099 R)
• M2: 350,209 km (0.083 R)
• M3: 572,661 km (0.106 R)
• M4: 1,063,042 km (0.111 R)
• M5: 2,008,800 km (0.086 R)
• M6: 2,247,558 km (0.1 R)
• M7: 3,399,462 km (0.109 R)
• M8: 4,399,225 km (0.07 R)
• M9: 5,099,343 km (0.103 R)
• M10: 5,582,095 km (0.079 R)
• M11: 7,129,984 km (0.116 R)
• M12: 9,543,447 km (0.087 R)
• M13: 10,329,883 km (0.05 R)
• M14: 11,158,655 km (0.027 R)
• M15: 13,976,630 km (0.108 R)
• M16: 14,578,612 km (0.079 R)
• M17: 15,267,510 km (0.114 R)
• M18: 16,710,381 km (0.075 R)
• M19: 17,850,467 km (0.057 R)
• M20: 22,748,451 km (0.075 R)
• M21: 24,433,521 km (0.032 R)
• M22: 28,472,813 km (0.032 R)
• M23: 31,664,932 km (0.1 R)
• M24: 33,524,434 km (0.118 R)
• M25: 33,881,075 km (0.053 R)
• M26: 37,332,149 km (0.081 R)
• M27: 37,972,128 km (0.103 R)
• M28: 39,936,049 km (0.071 R)
• M29: 41,418,414 km (0.06 R)
• M30: 42,519,455 km (0.11 R)
• M31: 44,636,115 km (0.097 R)
• M32: 48,167,223 km (0.111 R)
• M33: 51,721,818 km (0.095 R)
• M34: 52,677,001 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756

Radius: 7.8

Gravity: 12.43 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7.15 AU - 9.31 AU

Year: 16596 Days

Day: 22.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,435,666 km

• M1: 98,136 km (0.118 R)
• M2: 345,272 km (0.113 R)
• M3: 1,461,721 km (0.12 R)
• M4: 1,841,101 km (0.077 R)
• M5: 2,142,690 km (0.1 R)
• M6: 2,411,966 km (0.117 R)
• M7: 2,822,313 km (0.061 R)
• M8: 3,962,100 km (0.11 R)
• M9: 4,771,723 km (0.082 R)
• M10: 5,648,516 km (0.101 R)
• M11: 6,043,904 km (0.088 R)
• M12: 7,813,347 km (0.104 R)
• M13: 8,405,306 km (0.045 R)
• M14: 9,133,548 km (0.104 R)
• M15: 9,403,423 km (0.118 R)
• M16: 14,702,778 km (0.12 R)
• M17: 15,604,554 km (0.119 R)
• M18: 18,103,886 km (0.102 R)
• M19: 21,899,333 km (0.071 R)
• M20: 23,374,219 km (0.118 R)
• M21: 28,194,711 km (0.113 R)
• M22: 31,875,865 km (0.064 R)
• M23: 39,600,800 km (0.114 R)
• M24: 42,679,674 km (0.088 R)
• M25: 44,046,550 km (0.115 R)
• M26: 44,354,273 km (0.092 R)
• M27: 46,548,425 km (0.045 R)
• M28: 54,975,273 km (0.037 R)
• M29: 55,510,983 km (0.114 R)
• M30: 56,592,725 km (0.109 R)
• M31: 56,956,547 km (0.043 R)
• M32: 62,795,202 km (0.068 R)
• M33: 63,380,579 km (0.086 R)
• M34: 64,166,715 km (0.102 R)
• M35: 69,435,702 km (0.091 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 10,910 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit