🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.4

Radius: 8.4

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.65 AU - 0.77 AU

Year: 392 Days

Day: 7.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,753,386 km

• M1: 104,719 km (0.103 R)
• M2: 388,805 km (0.034 R)
• M3: 686,804 km (0.039 R)
• M4: 966,552 km (0.102 R)
• M5: 1,370,765 km (0.12 R)
• M6: 1,719,179 km (0.098 R)
• M7: 2,797,331 km (0.1 R)
• M8: 3,307,459 km (0.11 R)
• M9: 4,405,059 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440

Radius: 14.5

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.22 AU - 2 AU

Year: 1340 Days

Day: 8.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,753,386 km

• M1: 188,643 km (0.029 R)
• M2: 846,724 km (0.079 R)
• M3: 1,535,772 km (0.027 R)
• M4: 2,010,895 km (0.108 R)
• M5: 3,298,184 km (0.107 R)
• M6: 4,205,346 km (0.089 R)
• M7: 5,273,475 km (0.104 R)
• M8: 6,860,409 km (0.11 R)
• M9: 8,473,523 km (0.115 R)
• M10: 9,082,835 km (0.068 R)
• M11: 9,602,987 km (0.076 R)
• M12: 10,265,855 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.9

Radius: 14.4

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.6 AU - 1.78 AU

Year: 1441 Days

Day: 12.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,753,386 km

• M1: 179,069 km (0.111 R)
• M2: 631,602 km (0.104 R)
• M3: 1,098,348 km (0.057 R)
• M4: 1,953,150 km (0.052 R)
• M5: 2,411,069 km (0.089 R)
• M6: 2,969,967 km (0.067 R)
• M7: 3,714,964 km (0.106 R)
• M8: 4,798,651 km (0.113 R)
• M9: 5,274,671 km (0.091 R)
• M10: 5,966,561 km (0.119 R)
• M11: 6,493,894 km (0.097 R)
• M12: 7,078,373 km (0.106 R)
• M13: 8,984,250 km (0.106 R)
• M14: 9,518,165 km (0.114 R)
• M15: 10,274,083 km (0.109 R)
• M16: 10,999,034 km (0.12 R)
• M17: 12,784,484 km (0.109 R)
• M18: 13,746,548 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.5

Radius: 10.1

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.42 AU - 2.16 AU

Year: 1571 Days

Day: 6.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,753,386 km

• M1: 125,662 km (0.117 R)
• M2: 689,048 km (0.097 R)
• M3: 1,038,658 km (0.083 R)
• M4: 2,458,491 km (0.112 R)
• M5: 3,362,362 km (0.093 R)
• M6: 4,084,321 km (0.045 R)
• M7: 4,491,227 km (0.103 R)
• M8: 5,406,617 km (0.097 R)
• M9: 7,755,453 km (0.075 R)
• M10: 8,169,091 km (0.069 R)
• M11: 8,789,623 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.4

Radius: 14.7

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.53 AU - 2.35 AU

Year: 1773 Days

Day: 7.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,753,386 km

• M1: 182,809 km (0.098 R)
• M2: 742,753 km (0.09 R)
• M3: 1,328,130 km (0.07 R)
• M4: 2,320,113 km (0.096 R)
• M5: 2,821,565 km (0.092 R)
• M6: 3,627,150 km (0.115 R)
• M7: 4,483,149 km (0.044 R)
• M8: 6,496,587 km (0.099 R)
• M9: 7,042,769 km (0.051 R)
• M10: 9,706,957 km (0.104 R)
• M11: 11,063,959 km (0.106 R)
• M12: 11,807,311 km (0.056 R)
• M13: 12,269,120 km (0.096 R)
• M14: 13,685,662 km (0.084 R)
• M15: 15,208,868 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743

Radius: 8.2

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.73 AU - 2.41 AU

Year: 1954 Days

Day: 12.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,753,386 km

• M1: 102,026 km (0.068 R)
• M2: 499,806 km (0.087 R)
• M3: 833,111 km (0.12 R)
• M4: 1,297,014 km (0.105 R)
• M5: 1,791,285 km (0.116 R)
• M6: 2,300,965 km (0.033 R)
• M7: 3,011,704 km (0.109 R)
• M8: 4,733,127 km (0.037 R)
• M9: 5,192,991 km (0.117 R)
• M10: 5,926,020 km (0.088 R)
• M11: 6,971,410 km (0.079 R)
• M12: 7,336,429 km (0.102 R)
• M13: 8,476,664 km (0.101 R)
• M14: 11,294,490 km (0.106 R)
• M15: 11,602,960 km (0.074 R)
• M16: 13,877,746 km (0.046 R)
• M17: 15,376,866 km (0.119 R)
• M18: 15,996,052 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.3

Radius: 9.1

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.58 AU - 3.74 AU

Year: 3685 Days

Day: 12.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 84,753,386 km

• M1: 113,246 km (0.078 R)
• M2: 408,103 km (0.041 R)
• M3: 986,748 km (0.085 R)
• M4: 1,309,281 km (0.065 R)
• M5: 1,620,444 km (0.105 R)
• M6: 1,967,960 km (0.071 R)
• M7: 2,457,145 km (0.097 R)
• M8: 3,061,670 km (0.049 R)
• M9: 3,557,437 km (0.092 R)
• M10: 3,974,367 km (0.11 R)
• M11: 5,451,496 km (0.051 R)
• M12: 6,539,073 km (0.102 R)
• M13: 6,974,253 km (0.052 R)
• M14: 8,541,590 km (0.086 R)
• M15: 8,948,795 km (0.114 R)
• M16: 9,564,091 km (0.119 R)
• M17: 10,043,851 km (0.119 R)
• M18: 11,008,309 km (0.103 R)
• M19: 11,714,860 km (0.105 R)
• M20: 12,171,582 km (0.113 R)
• M21: 13,120,631 km (0.108 R)
• M22: 13,513,774 km (0.111 R)
• M23: 14,169,312 km (0.1 R)
• M24: 15,598,720 km (0.035 R)
• M25: 16,603,419 km (0.114 R)
• M26: 17,296,805 km (0.107 R)
• M27: 20,658,269 km (0.054 R)
• M28: 21,190,688 km (0.099 R)
• M29: 21,664,165 km (0.113 R)
• M30: 22,984,666 km (0.06 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.4

Radius: 12.8

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.29 AU - 4.43 AU

Year: 4975 Days

Day: 6.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,753,386 km

• M1: 172,636 km (0.038 R)
• M2: 795,412 km (0.107 R)
• M3: 1,302,848 km (0.11 R)
• M4: 2,185,475 km (0.037 R)
• M5: 2,597,019 km (0.047 R)
• M6: 4,668,950 km (0.1 R)
• M7: 6,588,290 km (0.073 R)
• M8: 7,217,499 km (0.104 R)
• M9: 7,886,501 km (0.113 R)
• M10: 8,868,611 km (0.065 R)
• M11: 9,803,896 km (0.104 R)
• M12: 11,823,019 km (0.069 R)
• M13: 12,753,667 km (0.109 R)
• M14: 13,838,551 km (0.087 R)
• M15: 15,493,851 km (0.029 R)
• M16: 16,250,667 km (0.101 R)
• M17: 17,712,687 km (0.118 R)
• M18: 19,393,718 km (0.071 R)
• M19: 19,796,286 km (0.066 R)
• M20: 20,341,720 km (0.047 R)
• M21: 22,772,536 km (0.098 R)
• M22: 25,391,247 km (0.062 R)
• M23: 25,873,401 km (0.063 R)
• M24: 27,863,202 km (0.084 R)
• M25: 28,721,744 km (0.115 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972

Radius: 9.4

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.98 AU - 4.98 AU

Year: 6221 Days

Day: 9.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,753,386 km

• M1: 116,836 km (0.079 R)
• M2: 568,622 km (0.025 R)
• M3: 1,152,502 km (0.061 R)
• M4: 2,678,251 km (0.096 R)
• M5: 3,271,855 km (0.102 R)
• M6: 4,390,847 km (0.098 R)
• M7: 5,400,184 km (0.106 R)
• M8: 5,747,401 km (0.048 R)
• M9: 7,288,109 km (0.118 R)
• M10: 9,087,023 km (0.086 R)
• M11: 12,750,227 km (0.086 R)
• M12: 14,123,236 km (0.064 R)
• M13: 17,092,903 km (0.041 R)
• M14: 18,332,920 km (0.108 R)
• M15: 21,614,948 km (0.073 R)
• M16: 25,356,839 km (0.115 R)
• M17: 25,797,554 km (0.105 R)
• M18: 31,899,652 km (0.06 R)
• M19: 38,088,067 km (0.052 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.1

Radius: 5.5

Gravity: 32.07 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.21 AU - 10.15 AU

Year: 19757 Days

Day: 24.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 84,753,386 km

• M1: 68,516 km (0.086 R)
• M2: 263,143 km (0.114 R)
• M3: 787,334 km (0.073 R)
• M4: 1,007,542 km (0.103 R)
• M5: 1,626,578 km (0.076 R)
• M6: 1,947,465 km (0.089 R)
• M7: 2,287,052 km (0.114 R)
• M8: 2,518,779 km (0.12 R)
• M9: 2,715,351 km (0.09 R)
• M10: 3,139,461 km (0.067 R)
• M11: 3,889,245 km (0.109 R)
• M12: 4,220,306 km (0.076 R)
• M13: 4,534,162 km (0.117 R)
• M14: 5,693,994 km (0.096 R)
• M15: 6,707,969 km (0.062 R)
• M16: 10,339,606 km (0.102 R)
• M17: 10,845,696 km (0.109 R)
• M18: 12,113,688 km (0.067 R)
• M19: 17,197,023 km (0.119 R)
• M20: 20,942,505 km (0.101 R)
• M21: 21,751,830 km (0.036 R)
• M22: 25,311,062 km (0.095 R)
• M23: 25,767,336 km (0.073 R)
• M24: 28,252,605 km (0.119 R)
• M25: 32,742,336 km (0.076 R)
• M26: 46,081,081 km (0.091 R)
• M27: 49,547,862 km (0.058 R)
• M28: 54,687,895 km (0.093 R)
• M29: 56,026,198 km (0.044 R)
• M30: 56,995,442 km (0.105 R)
• M31: 62,630,495 km (0.109 R)
• M32: 67,528,329 km (0.088 R)
• M33: 75,461,504 km (0.097 R)
• M34: 78,077,373 km (0.114 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: 327 - 14,089 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit