🌌 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: 44.2

Radius: 12.1

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.63 AU - 0.89 AU

Year: 435 Days

Day: 8.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 50,925,487 km

• M1: 155,731 km (0.102 R)
• M2: 610,060 km (0.1 R)
• M3: 1,215,034 km (0.092 R)
• M4: 1,709,305 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.6

Radius: 8

Gravity: 11.46 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.94 AU - 1.08 AU

Year: 666 Days

Day: 15 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,925,487 km

• M1: 106,364 km (0.061 R)
• M2: 370,105 km (0.071 R)
• M3: 664,065 km (0.081 R)
• M4: 1,192,744 km (0.095 R)
• M5: 1,474,586 km (0.113 R)
• M6: 1,725,462 km (0.108 R)
• M7: 2,214,796 km (0.082 R)
• M8: 2,817,078 km (0.099 R)
• M9: 3,081,866 km (0.059 R)
• M10: 3,350,095 km (0.086 R)
• M11: 3,875,482 km (0.107 R)
• M12: 4,143,113 km (0.062 R)
• M13: 4,438,868 km (0.103 R)
• M14: 4,986,097 km (0.103 R)
• M15: 5,615,006 km (0.112 R)
• M16: 5,958,483 km (0.077 R)
• M17: 6,708,567 km (0.092 R)
• M18: 7,985,235 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.8

Radius: 9

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.51 AU - 1.59 AU

Year: 1266 Days

Day: 6.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,925,487 km

• M1: 112,049 km (0.107 R)
• M2: 398,978 km (0.088 R)
• M3: 754,721 km (0.097 R)
• M4: 1,389,166 km (0.079 R)
• M5: 1,945,670 km (0.112 R)
• M6: 2,398,054 km (0.064 R)
• M7: 2,857,918 km (0.1 R)
• M8: 3,240,589 km (0.039 R)
• M9: 3,585,412 km (0.111 R)
• M10: 4,031,363 km (0.106 R)
• M11: 4,316,647 km (0.088 R)
• M12: 4,821,988 km (0.039 R)
• M13: 5,143,773 km (0.03 R)
• M14: 5,499,068 km (0.096 R)
• M15: 6,238,231 km (0.037 R)
• M16: 6,907,083 km (0.11 R)
• M17: 7,623,059 km (0.028 R)
• M18: 8,311,508 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.8

Radius: 10.1

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.42 AU - 3.64 AU

Year: 4351 Days

Day: 6.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 62.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,925,487 km

• M1: 125,662 km (0.107 R)
• M2: 472,729 km (0.105 R)
• M3: 824,434 km (0.081 R)
• M4: 1,357,750 km (0.091 R)
• M5: 1,777,971 km (0.034 R)
• M6: 2,299,319 km (0.03 R)
• M7: 3,348,000 km (0.054 R)
• M8: 4,543,287 km (0.07 R)
• M9: 5,067,777 km (0.097 R)
• M10: 5,521,657 km (0.077 R)
• M11: 6,855,322 km (0.101 R)
• M12: 12,802,586 km (0.08 R)
• M13: 14,368,726 km (0.049 R)
• M14: 15,225,323 km (0.111 R)
• M15: 18,492,391 km (0.118 R)
• M16: 19,057,871 km (0.099 R)
• M17: 21,642,174 km (0.061 R)
• M18: 24,828,609 km (0.118 R)
• M19: 25,826,876 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625

Radius: 10.2

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.96 AU - 4.08 AU

Year: 5287 Days

Day: 9.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,925,487 km

• M1: 127,308 km (0.076 R)
• M2: 467,045 km (0.045 R)
• M3: 798,553 km (0.088 R)
• M4: 1,166,115 km (0.041 R)
• M5: 1,827,637 km (0.071 R)
• M6: 2,670,621 km (0.083 R)
• M7: 3,537,840 km (0.119 R)
• M8: 3,933,676 km (0.083 R)
• M9: 4,893,646 km (0.114 R)
• M10: 5,386,421 km (0.052 R)
• M11: 6,897,210 km (0.088 R)
• M12: 8,517,355 km (0.114 R)
• M13: 9,985,359 km (0.087 R)
• M14: 12,146,898 km (0.026 R)
• M15: 14,770,695 km (0.082 R)
• M16: 15,337,522 km (0.032 R)
• M17: 15,801,275 km (0.12 R)
• M18: 17,249,233 km (0.063 R)
• M19: 21,039,145 km (0.092 R)
• M20: 23,776,487 km (0.114 R)
• M21: 24,398,216 km (0.109 R)
• M22: 27,500,128 km (0.069 R)
• M23: 28,271,454 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.4

Radius: 9.4

Gravity: 10.73 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.98 AU - 6.24 AU

Year: 7578 Days

Day: 10 Hours

Environment

Temp: -211 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,925,487 km

• M1: 121,773 km (0.093 R)
• M2: 430,393 km (0.095 R)
• M3: 800,648 km (0.118 R)
• M4: 1,131,409 km (0.074 R)
• M5: 2,288,249 km (0.106 R)
• M6: 2,867,193 km (0.11 R)
• M7: 4,019,545 km (0.111 R)
• M8: 7,728,974 km (0.111 R)
• M9: 8,580,335 km (0.043 R)
• M10: 12,907,454 km (0.103 R)
• M11: 13,318,100 km (0.095 R)
• M12: 13,616,697 km (0.086 R)
• M13: 14,665,827 km (0.097 R)
• M14: 16,924,157 km (0.053 R)
• M15: 17,274,814 km (0.091 R)
• M16: 19,944,388 km (0.106 R)
• M17: 23,048,245 km (0.093 R)
• M18: 24,091,690 km (0.12 R)
• M19: 25,166,401 km (0.108 R)
• M20: 25,807,877 km (0.072 R)
• M21: 29,583,129 km (0.077 R)
• M22: 30,092,360 km (0.085 R)
• M23: 30,711,096 km (0.101 R)
• M24: 32,510,310 km (0.088 R)
• M25: 34,043,987 km (0.081 R)
• M26: 34,715,682 km (0.09 R)
• M27: 38,208,044 km (0.087 R)
• M28: 40,412,219 km (0.109 R)
• M29: 42,441,365 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.7

Radius: 7.9

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.88 AU - 10.82 AU

Year: 17271 Days

Day: 20.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 50,925,487 km

• M1: 98,435 km (0.06 R)
• M2: 562,937 km (0.1 R)
• M3: 1,186,610 km (0.09 R)
• M4: 1,561,054 km (0.06 R)
• M5: 1,938,040 km (0.103 R)
• M6: 2,639,654 km (0.069 R)
• M7: 3,669,935 km (0.107 R)
• M8: 4,243,942 km (0.113 R)
• M9: 4,841,735 km (0.111 R)
• M10: 6,122,293 km (0.074 R)
• M11: 6,710,362 km (0.07 R)
• M12: 7,521,033 km (0.102 R)
• M13: 8,961,960 km (0.069 R)
• M14: 11,178,252 km (0.104 R)
• M15: 13,457,376 km (0.11 R)
• M16: 14,595,815 km (0.112 R)
• M17: 16,820,635 km (0.11 R)
• M18: 17,144,215 km (0.072 R)
• M19: 20,156,069 km (0.098 R)
• M20: 22,316,861 km (0.102 R)
• M21: 22,904,930 km (0.063 R)
• M22: 24,420,356 km (0.105 R)
• M23: 26,872,116 km (0.105 R)
• M24: 27,649,726 km (0.116 R)
• M25: 30,310,623 km (0.09 R)
• M26: 36,674,367 km (0.074 R)
• M27: 38,884,975 km (0.086 R)
• M28: 41,476,309 km (0.107 R)
• M29: 44,952,215 km (0.029 R)
• M30: 47,000,210 km (0.072 R)
• M31: 47,481,616 km (0.038 R)
• M32: 49,439,703 km (0.037 R)
• M33: 52,476,988 km (0.103 R)
• M34: 54,393,187 km (0.11 R)
• M35: 55,995,231 km (0.05 R)
• M36: 57,628,391 km (0.08 R)
• M37: 58,549,465 km (0.095 R)
• M38: 59,106,717 km (0.115 R)
• M39: 67,081,181 km (0.079 R)
• M40: 67,895,592 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496

Radius: 4.2

Gravity: 28.12 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 8.08 AU - 12.34 AU

Year: 21402 Days

Day: 19.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 50,925,487 km

• M1: 55,800 km (0.092 R)
• M2: 256,710 km (0.086 R)
• M3: 448,345 km (0.099 R)
• M4: 598,391 km (0.1 R)
• M5: 1,115,551 km (0.072 R)
• M6: 1,293,274 km (0.079 R)
• M7: 2,139,250 km (0.1 R)
• M8: 2,284,808 km (0.082 R)
• M9: 2,595,972 km (0.11 R)
• M10: 3,114,777 km (0.05 R)
• M11: 3,384,801 km (0.048 R)
• M12: 3,641,063 km (0.1 R)
• M13: 3,879,671 km (0.115 R)
• M14: 4,289,420 km (0.087 R)
• M15: 5,851,072 km (0.092 R)
• M16: 6,561,213 km (0.075 R)
• M17: 7,280,480 km (0.103 R)
• M18: 7,902,508 km (0.115 R)
• M19: 10,929,022 km (0.091 R)
• M20: 12,395,829 km (0.086 R)
• M21: 12,731,228 km (0.12 R)
• M22: 13,989,046 km (0.099 R)
• M23: 16,505,731 km (0.098 R)
• M24: 21,058,294 km (0.086 R)
• M25: 23,928,030 km (0.116 R)
• M26: 25,081,429 km (0.08 R)
• M27: 26,935,994 km (0.117 R)
• M28: 31,408,073 km (0.112 R)
• M29: 32,408,733 km (0.107 R)
• M30: 36,899,212 km (0.081 R)
• M31: 37,592,599 km (0.088 R)
• M32: 50,407,900 km (0.037 R)
• M33: 54,951,337 km (0.105 R)
• M34: 57,322,015 km (0.073 R)
• M35: 60,523,858 km (0.034 R)
• M36: 60,908,175 km (0.119 R)
• M37: 64,440,928 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.4

Radius: 6

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 8.44 AU - 13.36 AU

Year: 23607 Days

Day: 19.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,925,487 km

• M1: 75,098 km (0.055 R)
• M2: 525,687 km (0.038 R)
• M3: 1,901,987 km (0.039 R)
• M4: 2,388,330 km (0.05 R)
• M5: 3,114,328 km (0.104 R)
• M6: 4,174,229 km (0.076 R)
• M7: 8,126,306 km (0.111 R)
• M8: 8,862,028 km (0.11 R)
• M9: 9,052,766 km (0.12 R)
• M10: 9,996,279 km (0.104 R)
• M11: 10,571,483 km (0.073 R)
• M12: 19,452,810 km (0.066 R)
• M13: 26,700,527 km (0.116 R)
• M14: 40,320,665 km (0.071 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 19,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit