🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.3

Radius: 8

Gravity: 11.63 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.46 AU - 0.58 AU

Year: 250 Days

Day: 12 Hours

Environment

Temp: -150 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,618,693 km

• M1: 99,483 km (0.095 R)
• M2: 383,120 km (0.064 R)
• M3: 747,391 km (0.063 R)
• M4: 1,193,342 km (0.11 R)
• M5: 1,456,934 km (0.062 R)
• M6: 1,766,751 km (0.115 R)
• M7: 2,082,103 km (0.094 R)
• M8: 2,452,059 km (0.111 R)
• M9: 2,753,050 km (0.104 R)
• M10: 3,251,360 km (0.104 R)
• M11: 3,660,510 km (0.118 R)
• M12: 4,019,545 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.7

Radius: 10.2

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.55 AU - 0.59 AU

Year: 287 Days

Day: 10.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,618,693 km

• M1: 126,859 km (0.075 R)
• M2: 503,098 km (0.069 R)
• M3: 825,631 km (0.074 R)
• M4: 1,144,424 km (0.119 R)
• M5: 1,566,290 km (0.117 R)
• M6: 2,106,488 km (0.087 R)
• M7: 2,437,996 km (0.044 R)
• M8: 2,804,661 km (0.064 R)
• M9: 3,156,964 km (0.104 R)
• M10: 4,035,403 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.4

Radius: 11.9

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.96 AU - 1.3 AU

Year: 801 Days

Day: 10.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,618,693 km

• M1: 147,952 km (0.114 R)
• M2: 523,892 km (0.074 R)
• M3: 897,737 km (0.067 R)
• M4: 1,281,455 km (0.103 R)
• M5: 1,659,788 km (0.109 R)
• M6: 2,169,468 km (0.082 R)
• M7: 3,265,722 km (0.112 R)
• M8: 3,777,197 km (0.049 R)
• M9: 4,191,732 km (0.071 R)
• M10: 4,797,305 km (0.105 R)
• M11: 5,442,819 km (0.065 R)
• M12: 5,973,742 km (0.115 R)
• M13: 6,359,854 km (0.093 R)
• M14: 6,949,419 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.6

Radius: 8.6

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.59 AU - 4.61 AU

Year: 5536 Days

Day: 8.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,618,693 km

• M1: 108,159 km (0.109 R)
• M2: 403,316 km (0.101 R)
• M3: 685,757 km (0.115 R)
• M4: 1,555,369 km (0.096 R)
• M5: 2,167,224 km (0.1 R)
• M6: 2,494,544 km (0.106 R)
• M7: 3,460,498 km (0.103 R)
• M8: 4,763,495 km (0.111 R)
• M9: 6,766,910 km (0.102 R)
• M10: 7,992,416 km (0.066 R)
• M11: 9,616,450 km (0.105 R)
• M12: 12,916,280 km (0.049 R)
• M13: 15,080,812 km (0.078 R)
• M14: 17,476,622 km (0.092 R)
• M15: 19,553,489 km (0.086 R)
• M16: 23,555,232 km (0.098 R)
• M17: 23,871,781 km (0.052 R)
• M18: 24,675,421 km (0.091 R)
• M19: 25,166,251 km (0.105 R)
• M20: 26,252,033 km (0.069 R)
• M21: 27,194,799 km (0.071 R)
• M22: 29,880,828 km (0.094 R)
• M23: 31,383,389 km (0.086 R)
• M24: 32,445,085 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.6

Radius: 14.7

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.2 AU - 5.3 AU

Year: 8022 Days

Day: 14.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,618,693 km

• M1: 182,958 km (0.045 R)
• M2: 644,019 km (0.103 R)
• M3: 1,438,683 km (0.104 R)
• M4: 2,266,557 km (0.086 R)
• M5: 2,741,531 km (0.118 R)
• M6: 3,396,171 km (0.052 R)
• M7: 4,232,722 km (0.078 R)
• M8: 5,579,701 km (0.049 R)
• M9: 6,674,459 km (0.105 R)
• M10: 8,323,027 km (0.059 R)
• M11: 15,017,233 km (0.104 R)
• M12: 17,896,244 km (0.078 R)
• M13: 21,847,572 km (0.116 R)
• M14: 23,171,962 km (0.105 R)
• M15: 26,623,783 km (0.051 R)
• M16: 27,277,825 km (0.1 R)
• M17: 30,001,554 km (0.119 R)
• M18: 30,811,925 km (0.072 R)
• M19: 31,325,944 km (0.086 R)
• M20: 33,008,920 km (0.118 R)
• M21: 35,645,582 km (0.06 R)
• M22: 36,326,103 km (0.081 R)
• M23: 40,715,753 km (0.066 R)
• M24: 41,584,169 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 908.2

Radius: 5.4

Gravity: 31.15 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.8 AU - 8.42 AU

Year: 13999 Days

Day: 23 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 49,618,693 km

• M1: 68,815 km (0.107 R)
• M2: 240,105 km (0.099 R)
• M3: 585,975 km (0.077 R)
• M4: 889,210 km (0.056 R)
• M5: 1,210,845 km (0.084 R)
• M6: 1,466,358 km (0.099 R)
• M7: 2,047,396 km (0.087 R)
• M8: 2,938,252 km (0.111 R)
• M9: 3,242,085 km (0.115 R)
• M10: 4,186,197 km (0.112 R)
• M11: 5,674,846 km (0.114 R)
• M12: 8,902,719 km (0.048 R)
• M13: 9,812,424 km (0.1 R)
• M14: 10,261,217 km (0.025 R)
• M15: 11,139,506 km (0.067 R)
• M16: 12,778,949 km (0.106 R)
• M17: 14,717,289 km (0.1 R)
• M18: 15,832,391 km (0.038 R)
• M19: 17,082,581 km (0.106 R)
• M20: 20,675,174 km (0.064 R)
• M21: 24,946,642 km (0.073 R)
• M22: 25,361,776 km (0.092 R)
• M23: 31,668,822 km (0.12 R)
• M24: 34,793,473 km (0.092 R)
• M25: 35,835,272 km (0.101 R)
• M26: 36,897,567 km (0.089 R)
• M27: 37,572,104 km (0.083 R)
• M28: 40,637,962 km (0.093 R)
• M29: 43,267,295 km (0.071 R)
• M30: 48,538,824 km (0.049 R)
• M31: 48,861,657 km (0.04 R)
• M32: 50,662,665 km (0.092 R)
• M33: 54,396,479 km (0.11 R)
• M34: 58,127,749 km (0.05 R)
• M35: 60,895,010 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.6

Radius: 4.1

Gravity: 25.14 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.3 AU - 8.02 AU

Year: 14138 Days

Day: 21.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,618,693 km

• M1: 51,013 km (0.108 R)
• M2: 265,237 km (0.095 R)
• M3: 493,374 km (0.096 R)
• M4: 1,239,718 km (0.068 R)
• M5: 1,369,269 km (0.089 R)
• M6: 1,981,424 km (0.081 R)
• M7: 2,290,493 km (0.115 R)
• M8: 3,191,671 km (0.066 R)
• M9: 5,694,293 km (0.089 R)
• M10: 6,742,974 km (0.111 R)
• M11: 8,272,164 km (0.114 R)
• M12: 9,711,445 km (0.12 R)
• M13: 11,763,629 km (0.114 R)
• M14: 13,765,697 km (0.092 R)
• M15: 15,703,139 km (0.099 R)
• M16: 18,120,491 km (0.095 R)
• M17: 20,439,856 km (0.08 R)
• M18: 21,112,897 km (0.119 R)
• M19: 22,680,982 km (0.11 R)
• M20: 23,220,432 km (0.12 R)
• M21: 23,860,711 km (0.025 R)
• M22: 28,570,800 km (0.119 R)
• M23: 32,371,184 km (0.058 R)
• M24: 39,516,427 km (0.098 R)
• M25: 40,428,077 km (0.072 R)
• M26: 42,428,798 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.3

Radius: 6.5

Gravity: 15.87 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.77 AU - 9.43 AU

Year: 15373 Days

Day: 24.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,618,693 km

• M1: 80,932 km (0.093 R)
• M2: 303,085 km (0.112 R)
• M3: 587,321 km (0.065 R)
• M4: 1,285,794 km (0.085 R)
• M5: 1,948,512 km (0.09 R)
• M6: 2,155,257 km (0.099 R)
• M7: 2,985,525 km (0.064 R)
• M8: 6,822,710 km (0.061 R)
• M9: 8,677,574 km (0.056 R)
• M10: 10,104,738 km (0.118 R)
• M11: 10,555,925 km (0.075 R)
• M12: 12,178,763 km (0.111 R)
• M13: 12,432,630 km (0.115 R)
• M14: 15,834,935 km (0.095 R)
• M15: 16,676,123 km (0.061 R)
• M16: 17,068,070 km (0.039 R)
• M17: 17,789,132 km (0.112 R)
• M18: 18,281,009 km (0.093 R)
• M19: 19,463,880 km (0.075 R)
• M20: 26,574,865 km (0.042 R)
• M21: 35,241,668 km (0.095 R)
• M22: 36,936,462 km (0.056 R)
• M23: 37,201,849 km (0.119 R)
• M24: 40,346,845 km (0.091 R)
• M25: 40,628,388 km (0.084 R)
• M26: 44,110,428 km (0.048 R)
• M27: 49,215,755 km (0.105 R)
• M28: 50,673,436 km (0.087 R)
• M29: 56,264,956 km (0.104 R)
• M30: 56,792,737 km (0.119 R)
• M31: 62,253,957 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.8

Radius: 4.1

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.16 AU - 10.22 AU

Year: 20115 Days

Day: 22.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 119.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,618,693 km

• M1: 51,312 km (0.11 R)
• M2: 208,390 km (0.074 R)
• M3: 349,760 km (0.094 R)
• M4: 1,323,492 km (0.059 R)
• M5: 1,784,104 km (0.116 R)
• M6: 5,263,302 km (0.06 R)
• M7: 5,532,728 km (0.098 R)
• M8: 6,172,857 km (0.087 R)
• M9: 7,223,632 km (0.087 R)
• M10: 8,252,866 km (0.114 R)
• M11: 11,082,061 km (0.119 R)
• M12: 17,942,170 km (0.028 R)
• M13: 18,784,257 km (0.112 R)
• M14: 23,937,155 km (0.029 R)
• M15: 29,429,940 km (0.036 R)
• M16: 38,774,721 km (0.111 R)
• M17: 40,308,249 km (0.037 R)
• M18: 48,292,437 km (0.034 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 15,298 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit