🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.4

Radius: 11.2

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.79 AU - 1.17 AU

Year: 670 Days

Day: 9.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 64.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,445,633 km

• M1: 140,622 km (0.119 R)
• M2: 536,009 km (0.114 R)
• M3: 917,933 km (0.107 R)
• M4: 1,539,512 km (0.108 R)
• M5: 2,508,756 km (0.097 R)
• M6: 2,960,841 km (0.065 R)
• M7: 3,376,723 km (0.082 R)
• M8: 3,803,675 km (0.105 R)
• M9: 4,162,262 km (0.066 R)
• M10: 4,590,859 km (0.103 R)
• M11: 5,359,045 km (0.035 R)
• M12: 5,923,627 km (0.046 R)
• M13: 7,023,022 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.9

Radius: 12.4

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.77 AU - 1.21 AU

Year: 680 Days

Day: 13.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,445,633 km

• M1: 154,235 km (0.094 R)
• M2: 632,201 km (0.112 R)
• M3: 1,143,077 km (0.068 R)
• M4: 1,554,621 km (0.071 R)
• M5: 2,042,011 km (0.114 R)
• M6: 2,813,487 km (0.114 R)
• M7: 3,273,501 km (0.119 R)
• M8: 3,912,732 km (0.108 R)
• M9: 4,474,323 km (0.103 R)
• M10: 5,168,008 km (0.106 R)
• M11: 5,674,995 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.8

Radius: 9.7

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.11 AU - 1.53 AU

Year: 1047 Days

Day: 5.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,445,633 km

• M1: 120,576 km (0.087 R)
• M2: 428,897 km (0.088 R)
• M3: 917,933 km (0.06 R)
• M4: 1,541,008 km (0.026 R)
• M5: 2,073,576 km (0.111 R)
• M6: 2,921,198 km (0.106 R)
• M7: 3,555,642 km (0.114 R)
• M8: 4,010,270 km (0.07 R)
• M9: 4,990,435 km (0.102 R)
• M10: 5,334,510 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.4

Radius: 14.7

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.45 AU - 1.59 AU

Year: 1294 Days

Day: 14.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,445,633 km

• M1: 185,950 km (0.044 R)
• M2: 674,387 km (0.085 R)
• M3: 1,369,868 km (0.084 R)
• M4: 1,894,956 km (0.108 R)
• M5: 2,632,773 km (0.11 R)
• M6: 3,581,074 km (0.067 R)
• M7: 4,168,993 km (0.069 R)
• M8: 4,659,076 km (0.071 R)
• M9: 5,426,663 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.3

Radius: 8

Gravity: 14.38 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.6 AU - 2.32 AU

Year: 1894 Days

Day: 12.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,445,633 km

• M1: 99,632 km (0.1 R)
• M2: 354,547 km (0.079 R)
• M3: 793,318 km (0.098 R)
• M4: 1,184,815 km (0.059 R)
• M5: 1,733,241 km (0.114 R)
• M6: 2,496,340 km (0.105 R)
• M7: 2,755,443 km (0.106 R)
• M8: 3,752,962 km (0.082 R)
• M9: 4,213,125 km (0.032 R)
• M10: 4,624,968 km (0.097 R)
• M11: 6,202,926 km (0.076 R)
• M12: 7,593,738 km (0.096 R)
• M13: 8,521,693 km (0.074 R)
• M14: 10,269,894 km (0.074 R)
• M15: 11,718,899 km (0.104 R)
• M16: 13,561,346 km (0.104 R)
• M17: 14,186,067 km (0.089 R)
• M18: 15,637,316 km (0.119 R)
• M19: 15,978,249 km (0.116 R)
• M20: 16,473,867 km (0.062 R)

Asteroid Belt

Center: 3.19 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.2

Radius: 11.7

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.85 AU - 4.97 AU

Year: 6392 Days

Day: 12.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,445,633 km

• M1: 145,559 km (0.102 R)
• M2: 510,578 km (0.098 R)
• M3: 876,793 km (0.117 R)
• M4: 1,258,866 km (0.065 R)
• M5: 1,973,645 km (0.065 R)
• M6: 4,205,795 km (0.092 R)
• M7: 6,540,269 km (0.072 R)
• M8: 7,043,068 km (0.057 R)
• M9: 8,126,306 km (0.098 R)
• M10: 9,317,255 km (0.046 R)
• M11: 10,048,190 km (0.082 R)
• M12: 11,215,951 km (0.059 R)
• M13: 11,937,760 km (0.094 R)
• M14: 13,531,277 km (0.05 R)
• M15: 15,076,623 km (0.056 R)
• M16: 15,891,931 km (0.092 R)
• M17: 16,736,561 km (0.094 R)
• M18: 21,492,576 km (0.11 R)
• M19: 24,775,651 km (0.041 R)
• M20: 26,898,296 km (0.073 R)
• M21: 27,817,574 km (0.026 R)
• M22: 33,778,601 km (0.115 R)
• M23: 38,539,703 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.6

Radius: 13.8

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.8 AU - 5.1 AU

Year: 6480 Days

Day: 12.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,445,633 km

• M1: 171,589 km (0.052 R)
• M2: 806,931 km (0.119 R)
• M3: 1,341,145 km (0.093 R)
• M4: 1,826,590 km (0.079 R)
• M5: 2,515,189 km (0.114 R)
• M6: 3,086,503 km (0.083 R)
• M7: 3,835,241 km (0.075 R)
• M8: 4,265,933 km (0.115 R)
• M9: 4,702,310 km (0.107 R)
• M10: 5,369,816 km (0.115 R)
• M11: 6,489,107 km (0.094 R)
• M12: 7,282,275 km (0.059 R)
• M13: 7,871,541 km (0.117 R)
• M14: 8,979,313 km (0.071 R)
• M15: 12,771,320 km (0.105 R)
• M16: 13,906,169 km (0.041 R)
• M17: 15,522,724 km (0.097 R)
• M18: 16,376,479 km (0.11 R)
• M19: 17,197,173 km (0.065 R)
• M20: 18,716,040 km (0.096 R)
• M21: 19,683,340 km (0.046 R)
• M22: 20,829,409 km (0.119 R)
• M23: 22,324,041 km (0.104 R)
• M24: 24,944,697 km (0.108 R)
• M25: 28,931,480 km (0.079 R)
• M26: 31,075,966 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.6

Radius: 7.8

Gravity: 12.55 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.39 AU - 8.51 AU

Year: 12647 Days

Day: 18.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,445,633 km

• M1: 97,089 km (0.074 R)
• M2: 402,717 km (0.107 R)
• M3: 673,639 km (0.049 R)
• M4: 1,059,153 km (0.046 R)
• M5: 1,601,894 km (0.08 R)
• M6: 2,016,280 km (0.096 R)
• M7: 3,132,579 km (0.11 R)
• M8: 3,951,628 km (0.072 R)
• M9: 4,274,460 km (0.108 R)
• M10: 5,599,000 km (0.116 R)
• M11: 6,716,944 km (0.068 R)
• M12: 8,445,697 km (0.092 R)
• M13: 8,735,768 km (0.08 R)
• M14: 9,803,896 km (0.069 R)
• M15: 12,568,166 km (0.06 R)
• M16: 12,946,649 km (0.058 R)
• M17: 13,726,502 km (0.095 R)
• M18: 14,537,323 km (0.092 R)
• M19: 15,024,862 km (0.104 R)
• M20: 18,342,345 km (0.063 R)
• M21: 19,325,502 km (0.097 R)
• M22: 19,660,751 km (0.067 R)
• M23: 20,603,068 km (0.054 R)
• M24: 21,218,214 km (0.083 R)
• M25: 22,301,153 km (0.088 R)
• M26: 22,577,610 km (0.044 R)
• M27: 23,420,594 km (0.079 R)
• M28: 23,706,176 km (0.104 R)
• M29: 26,898,744 km (0.108 R)
• M30: 27,422,187 km (0.044 R)
• M31: 28,381,558 km (0.091 R)
• M32: 32,208,122 km (0.101 R)
• M33: 33,275,802 km (0.04 R)
• M34: 36,876,474 km (0.052 R)
• M35: 57,085,201 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.4

Radius: 7.1

Gravity: 13.32 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.48 AU - 7.86 AU

Year: 13252 Days

Day: 22.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,445,633 km

• M1: 88,263 km (0.101 R)
• M2: 323,281 km (0.105 R)
• M3: 750,383 km (0.059 R)
• M4: 1,039,406 km (0.08 R)
• M5: 1,636,900 km (0.1 R)
• M6: 2,003,265 km (0.095 R)
• M7: 2,264,014 km (0.081 R)
• M8: 2,654,465 km (0.065 R)
• M9: 3,260,486 km (0.114 R)
• M10: 3,704,342 km (0.119 R)
• M11: 3,983,791 km (0.117 R)
• M12: 4,398,776 km (0.112 R)
• M13: 5,349,919 km (0.091 R)
• M14: 6,754,045 km (0.105 R)
• M15: 7,431,424 km (0.082 R)
• M16: 10,000,169 km (0.086 R)
• M17: 11,988,474 km (0.029 R)
• M18: 13,235,821 km (0.115 R)
• M19: 15,053,735 km (0.036 R)
• M20: 15,407,833 km (0.052 R)
• M21: 16,206,386 km (0.105 R)
• M22: 16,653,385 km (0.09 R)
• M23: 24,092,887 km (0.077 R)
• M24: 25,867,865 km (0.104 R)
• M25: 27,517,182 km (0.088 R)
• M26: 27,940,245 km (0.094 R)
• M27: 28,907,993 km (0.077 R)
• M28: 30,120,933 km (0.114 R)
• M29: 35,064,843 km (0.12 R)
• M30: 38,777,264 km (0.027 R)
• M31: 41,484,986 km (0.074 R)
• M32: 45,336,831 km (0.094 R)
• M33: 47,728,453 km (0.098 R)
• M34: 48,492,599 km (0.093 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 10,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit