🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681

Radius: 13.2

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.62 AU - 1.02 AU

Year: 513 Days

Day: 12.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,994,071 km

• M1: 164,408 km (0.112 R)
• M2: 588,668 km (0.052 R)
• M3: 1,012,927 km (0.068 R)
• M4: 1,676,095 km (0.058 R)
• M5: 2,516,984 km (0.118 R)
• M6: 4,034,056 km (0.105 R)
• M7: 4,565,577 km (0.065 R)
• M8: 5,425,616 km (0.115 R)
• M9: 5,966,412 km (0.1 R)
• M10: 6,390,821 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.1

Radius: 9.6

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.03 AU - 1.19 AU

Year: 807 Days

Day: 13.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,994,071 km

• M1: 119,379 km (0.054 R)
• M2: 462,557 km (0.082 R)
• M3: 882,328 km (0.065 R)
• M4: 1,205,759 km (0.102 R)
• M5: 1,763,609 km (0.108 R)
• M6: 2,396,707 km (0.077 R)
• M7: 2,840,265 km (0.072 R)
• M8: 3,351,591 km (0.114 R)
• M9: 3,666,494 km (0.036 R)
• M10: 4,679,870 km (0.073 R)
• M11: 5,093,209 km (0.032 R)
• M12: 5,414,097 km (0.08 R)
• M13: 6,055,273 km (0.085 R)
• M14: 6,503,019 km (0.119 R)
• M15: 7,134,173 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.8

Radius: 9.3

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.14 AU - 1.42 AU

Year: 1000 Days

Day: 11.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,994,071 km

• M1: 115,639 km (0.095 R)
• M2: 498,460 km (0.098 R)
• M3: 814,560 km (0.091 R)
• M4: 1,374,655 km (0.112 R)
• M5: 1,754,783 km (0.09 R)
• M6: 2,512,945 km (0.117 R)
• M7: 2,813,637 km (0.11 R)
• M8: 3,125,698 km (0.074 R)
• M9: 4,802,092 km (0.1 R)
• M10: 5,140,183 km (0.09 R)
• M11: 6,698,095 km (0.11 R)
• M12: 7,166,486 km (0.114 R)
• M13: 7,728,376 km (0.034 R)
• M14: 8,269,022 km (0.111 R)
• M15: 8,626,112 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.3

Radius: 12.7

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.32 AU - 1.78 AU

Year: 1332 Days

Day: 6.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 171.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,994,071 km

• M1: 158,723 km (0.107 R)
• M2: 706,850 km (0.077 R)
• M3: 1,107,323 km (0.088 R)
• M4: 1,551,480 km (0.114 R)
• M5: 2,141,045 km (0.098 R)
• M6: 2,598,365 km (0.086 R)
• M7: 3,966,288 km (0.118 R)
• M8: 5,079,895 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.5

Radius: 12.8

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.56 AU - 1.56 AU

Year: 1345 Days

Day: 7.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,994,071 km

• M1: 164,707 km (0.085 R)
• M2: 669,301 km (0.05 R)
• M3: 1,123,630 km (0.111 R)
• M4: 1,932,804 km (0.074 R)
• M5: 2,363,198 km (0.035 R)
• M6: 3,328,253 km (0.101 R)
• M7: 3,918,866 km (0.097 R)
• M8: 4,794,911 km (0.083 R)
• M9: 6,960,490 km (0.034 R)
• M10: 7,570,400 km (0.075 R)
• M11: 8,716,021 km (0.071 R)
• M12: 9,778,016 km (0.092 R)
• M13: 10,509,998 km (0.065 R)
• M14: 10,994,546 km (0.06 R)
• M15: 11,749,417 km (0.114 R)
• M16: 12,461,802 km (0.044 R)
• M17: 12,965,797 km (0.076 R)
• M18: 13,767,642 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.9

Radius: 10.9

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.7 AU - 2.6 AU

Year: 2176 Days

Day: 14.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,994,071 km

• M1: 136,134 km (0.083 R)
• M2: 560,394 km (0.086 R)
• M3: 963,560 km (0.102 R)
• M4: 1,322,146 km (0.109 R)
• M5: 1,771,688 km (0.116 R)
• M6: 2,667,928 km (0.12 R)
• M7: 3,210,071 km (0.096 R)
• M8: 3,975,414 km (0.104 R)
• M9: 5,645,375 km (0.104 R)
• M10: 6,146,827 km (0.057 R)
• M11: 6,677,750 km (0.067 R)
• M12: 8,265,133 km (0.087 R)
• M13: 8,879,531 km (0.093 R)
• M14: 9,282,997 km (0.058 R)
• M15: 10,382,391 km (0.115 R)
• M16: 11,369,737 km (0.088 R)
• M17: 12,007,772 km (0.116 R)
• M18: 12,460,156 km (0.081 R)
• M19: 13,095,199 km (0.088 R)
• M20: 15,805,165 km (0.116 R)
• M21: 17,421,420 km (0.037 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271

Radius: 12.8

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.12 AU - 3.42 AU

Year: 3182 Days

Day: 9.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,994,071 km

• M1: 160,668 km (0.116 R)
• M2: 657,183 km (0.115 R)
• M3: 1,270,385 km (0.067 R)
• M4: 1,944,174 km (0.091 R)
• M5: 2,891,128 km (0.097 R)
• M6: 4,124,563 km (0.108 R)
• M7: 4,558,247 km (0.063 R)
• M8: 5,564,742 km (0.071 R)
• M9: 6,297,622 km (0.114 R)
• M10: 7,345,555 km (0.07 R)
• M11: 8,106,559 km (0.045 R)
• M12: 8,790,969 km (0.115 R)
• M13: 10,634,913 km (0.071 R)
• M14: 11,455,756 km (0.084 R)
• M15: 12,278,245 km (0.082 R)
• M16: 14,800,316 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.8

Radius: 14.5

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.52 AU - 3.38 AU

Year: 3497 Days

Day: 11.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,994,071 km

• M1: 182,509 km (0.092 R)
• M2: 1,112,709 km (0.051 R)
• M3: 1,753,437 km (0.093 R)
• M4: 2,274,037 km (0.093 R)
• M5: 3,054,340 km (0.04 R)
• M6: 3,596,632 km (0.1 R)
• M7: 4,473,724 km (0.06 R)
• M8: 5,050,723 km (0.112 R)
• M9: 6,443,928 km (0.077 R)
• M10: 8,115,086 km (0.1 R)
• M11: 9,585,633 km (0.049 R)
• M12: 11,979,349 km (0.104 R)
• M13: 12,954,428 km (0.098 R)
• M14: 16,254,108 km (0.12 R)
• M15: 17,101,879 km (0.035 R)
• M16: 20,594,989 km (0.105 R)
• M17: 22,961,328 km (0.119 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.8

Radius: 15

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.05 AU - 5.31 AU

Year: 6988 Days

Day: 11.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,994,071 km

• M1: 187,745 km (0.1 R)
• M2: 1,858,155 km (0.069 R)
• M3: 2,403,140 km (0.083 R)
• M4: 3,215,756 km (0.08 R)
• M5: 3,801,282 km (0.032 R)
• M6: 5,450,449 km (0.115 R)
• M7: 7,836,535 km (0.116 R)
• M8: 9,197,875 km (0.081 R)
• M9: 9,802,251 km (0.092 R)
• M10: 10,387,029 km (0.103 R)
• M11: 12,489,777 km (0.088 R)
• M12: 15,157,705 km (0.088 R)
• M13: 15,818,928 km (0.073 R)
• M14: 16,751,670 km (0.084 R)
• M15: 18,795,327 km (0.105 R)
• M16: 21,074,600 km (0.081 R)
• M17: 21,975,030 km (0.11 R)
• M18: 23,692,264 km (0.092 R)
• M19: 24,996,308 km (0.106 R)
• M20: 25,581,685 km (0.116 R)
• M21: 26,779,964 km (0.116 R)
• M22: 28,647,095 km (0.073 R)
• M23: 31,269,695 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577.5

Radius: 5.6

Gravity: 18.42 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.93 AU - 8.03 AU

Year: 14121 Days

Day: 17 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,994,071 km

• M1: 72,555 km (0.07 R)
• M2: 250,427 km (0.052 R)
• M3: 454,030 km (0.11 R)
• M4: 692,489 km (0.098 R)
• M5: 980,614 km (0.085 R)
• M6: 1,815,221 km (0.097 R)
• M7: 3,267,816 km (0.113 R)
• M8: 4,256,957 km (0.075 R)
• M9: 5,256,869 km (0.085 R)
• M10: 5,431,749 km (0.117 R)
• M11: 7,270,905 km (0.094 R)
• M12: 7,981,645 km (0.117 R)
• M13: 13,834,213 km (0.108 R)
• M14: 14,439,486 km (0.084 R)
• M15: 16,139,366 km (0.091 R)
• M16: 18,366,280 km (0.115 R)
• M17: 21,494,072 km (0.096 R)
• M18: 24,373,981 km (0.113 R)
• M19: 32,736,053 km (0.066 R)
• M20: 33,091,199 km (0.08 R)
• M21: 37,425,498 km (0.078 R)
• M22: 40,606,846 km (0.111 R)
• M23: 42,123,320 km (0.072 R)
• M24: 45,415,520 km (0.116 R)
• M25: 47,956,290 km (0.12 R)
• M26: 49,029,505 km (0.102 R)
• M27: 54,470,679 km (0.117 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: 455 - 18,645 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit