🌌 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: 38.9

Radius: 14.8

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.49 AU - 0.55 AU

Year: 250 Days

Day: 8.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 56,166,271 km

• M1: 184,305 km (0.083 R)
• M2: 665,411 km (0.058 R)
• M3: 1,361,939 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.4

Radius: 12.2

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.55 AU - 0.63 AU

Year: 302 Days

Day: 13.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,166,271 km

• M1: 151,692 km (0.056 R)
• M2: 537,655 km (0.04 R)
• M3: 1,127,370 km (0.101 R)
• M4: 1,833,322 km (0.096 R)
• M5: 2,316,673 km (0.119 R)
• M6: 2,904,293 km (0.07 R)
• M7: 3,466,482 km (0.111 R)
• M8: 4,213,424 km (0.025 R)
• M9: 4,700,215 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.5

Radius: 8.3

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.28 AU - 1.5 AU

Year: 1093 Days

Day: 7.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,166,271 km

• M1: 118,332 km (0.111 R)
• M2: 382,671 km (0.081 R)
• M3: 849,566 km (0.092 R)
• M4: 1,830,031 km (0.107 R)
• M5: 3,330,946 km (0.117 R)
• M6: 3,921,259 km (0.119 R)
• M7: 4,346,865 km (0.063 R)
• M8: 5,328,078 km (0.06 R)
• M9: 6,819,868 km (0.115 R)
• M10: 7,746,178 km (0.077 R)
• M11: 8,675,480 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.5

Radius: 11.1

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.79 AU - 2.55 AU

Year: 2132 Days

Day: 14.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,166,271 km

• M1: 138,079 km (0.075 R)
• M2: 524,191 km (0.091 R)
• M3: 969,843 km (0.084 R)
• M4: 1,333,665 km (0.042 R)
• M5: 1,832,574 km (0.083 R)
• M6: 2,252,645 km (0.088 R)
• M7: 2,667,480 km (0.101 R)
• M8: 3,289,956 km (0.089 R)
• M9: 3,970,477 km (0.068 R)
• M10: 4,422,412 km (0.061 R)
• M11: 4,950,642 km (0.099 R)
• M12: 5,589,126 km (0.106 R)
• M13: 6,133,812 km (0.09 R)
• M14: 6,584,550 km (0.11 R)
• M15: 7,837,881 km (0.099 R)
• M16: 8,490,726 km (0.092 R)
• M17: 9,341,041 km (0.085 R)
• M18: 11,886,748 km (0.049 R)
• M19: 12,430,685 km (0.115 R)
• M20: 13,031,770 km (0.113 R)
• M21: 14,249,048 km (0.065 R)
• M22: 14,818,567 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.9

Radius: 14.3

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.13 AU - 2.69 AU

Year: 2495 Days

Day: 14.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,166,271 km

• M1: 178,769 km (0.08 R)
• M2: 647,310 km (0.087 R)
• M3: 1,223,860 km (0.109 R)
• M4: 2,144,934 km (0.077 R)
• M5: 2,682,589 km (0.087 R)
• M6: 3,204,985 km (0.089 R)
• M7: 4,414,184 km (0.089 R)
• M8: 4,910,401 km (0.06 R)
• M9: 6,428,819 km (0.114 R)
• M10: 7,343,011 km (0.071 R)
• M11: 8,477,562 km (0.098 R)
• M12: 10,610,827 km (0.112 R)
• M13: 11,548,956 km (0.097 R)
• M14: 12,585,968 km (0.117 R)
• M15: 13,173,140 km (0.066 R)
• M16: 14,112,166 km (0.1 R)
• M17: 14,647,427 km (0.089 R)
• M18: 15,399,156 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366

Radius: 10.7

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.16 AU - 3.36 AU

Year: 3058 Days

Day: 6.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,166,271 km

• M1: 134,488 km (0.108 R)
• M2: 501,452 km (0.102 R)
• M3: 858,841 km (0.109 R)
• M4: 1,478,027 km (0.066 R)
• M5: 2,058,616 km (0.118 R)
• M6: 2,785,961 km (0.118 R)
• M7: 3,209,922 km (0.093 R)
• M8: 3,731,420 km (0.096 R)
• M9: 4,704,404 km (0.066 R)
• M10: 5,989,300 km (0.093 R)
• M11: 6,590,983 km (0.09 R)
• M12: 7,033,045 km (0.115 R)
• M13: 7,823,969 km (0.092 R)
• M14: 8,383,465 km (0.094 R)
• M15: 9,272,674 km (0.118 R)
• M16: 10,480,378 km (0.098 R)
• M17: 11,276,987 km (0.12 R)
• M18: 11,870,292 km (0.086 R)
• M19: 12,609,605 km (0.089 R)
• M20: 14,044,547 km (0.059 R)
• M21: 14,638,750 km (0.037 R)
• M22: 15,779,583 km (0.086 R)
• M23: 16,371,841 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.7

Radius: 8.4

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.79 AU - 5.93 AU

Year: 7145 Days

Day: 9.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,166,271 km

• M1: 107,710 km (0.116 R)
• M2: 394,340 km (0.093 R)
• M3: 1,328,130 km (0.114 R)
• M4: 1,771,089 km (0.03 R)
• M5: 2,169,618 km (0.041 R)
• M6: 4,055,149 km (0.104 R)
• M7: 6,539,372 km (0.043 R)
• M8: 7,387,891 km (0.103 R)
• M9: 10,241,769 km (0.093 R)
• M10: 12,864,220 km (0.091 R)
• M11: 19,391,774 km (0.089 R)
• M12: 20,145,896 km (0.072 R)
• M13: 20,495,058 km (0.091 R)
• M14: 24,055,338 km (0.107 R)
• M15: 30,686,114 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444.9

Radius: 5.3

Gravity: 15.84 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.64 AU - 7.28 AU

Year: 12245 Days

Day: 17.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,166,271 km

• M1: 65,973 km (0.094 R)
• M2: 673,789 km (0.086 R)
• M3: 1,334,114 km (0.062 R)
• M4: 3,631,488 km (0.038 R)
• M5: 3,890,891 km (0.09 R)
• M6: 5,312,819 km (0.073 R)
• M7: 6,249,002 km (0.11 R)
• M8: 7,873,635 km (0.11 R)
• M9: 12,856,291 km (0.098 R)
• M10: 14,144,628 km (0.108 R)
• M11: 15,719,595 km (0.115 R)
• M12: 18,220,721 km (0.032 R)
• M13: 21,223,300 km (0.1 R)
• M14: 36,173,214 km (0.093 R)
• M15: 37,982,301 km (0.076 R)
• M16: 41,519,094 km (0.105 R)

Asteroid Belt

Center: 7.9 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.3

Radius: 5.9

Gravity: 17.45 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 8.02 AU - 9.64 AU

Year: 17497 Days

Day: 21.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 56,166,271 km

• M1: 97,239 km (0.074 R)
• M2: 346,917 km (0.085 R)
• M3: 691,890 km (0.112 R)
• M4: 1,316,312 km (0.026 R)
• M5: 1,736,233 km (0.095 R)
• M6: 1,949,859 km (0.093 R)
• M7: 2,261,920 km (0.112 R)
• M8: 2,473,601 km (0.048 R)
• M9: 2,792,244 km (0.102 R)
• M10: 3,061,520 km (0.029 R)
• M11: 4,576,199 km (0.095 R)
• M12: 4,778,306 km (0.086 R)
• M13: 5,200,471 km (0.099 R)
• M14: 6,119,151 km (0.107 R)
• M15: 6,447,967 km (0.067 R)
• M16: 6,659,499 km (0.068 R)
• M17: 7,186,233 km (0.093 R)
• M18: 8,076,340 km (0.071 R)
• M19: 8,272,613 km (0.119 R)
• M20: 8,829,266 km (0.084 R)
• M21: 9,682,872 km (0.091 R)
• M22: 11,928,785 km (0.065 R)
• M23: 12,836,993 km (0.116 R)
• M24: 19,981,788 km (0.074 R)
• M25: 20,432,227 km (0.083 R)
• M26: 22,982,122 km (0.049 R)
• M27: 25,736,668 km (0.07 R)
• M28: 26,701,574 km (0.045 R)
• M29: 28,476,254 km (0.111 R)
• M30: 29,276,752 km (0.05 R)
• M31: 32,012,897 km (0.084 R)
• M32: 32,753,706 km (0.098 R)
• M33: 36,362,605 km (0.117 R)
• M34: 40,085,348 km (0.088 R)
• M35: 42,555,209 km (0.102 R)
• M36: 43,300,505 km (0.104 R)
• M37: 50,570,064 km (0.12 R)
• M38: 65,075,672 km (0.055 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.2

Radius: 5.4

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 10.54 AU - 11.46 AU

Year: 24329 Days

Day: 21.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,166,271 km

• M1: 74,649 km (0.053 R)
• M2: 458,069 km (0.076 R)
• M3: 2,955,007 km (0.071 R)
• M4: 4,434,679 km (0.076 R)
• M5: 5,179,228 km (0.096 R)
• M6: 5,563,246 km (0.103 R)
• M7: 7,685,291 km (0.077 R)
• M8: 9,048,726 km (0.108 R)
• M9: 13,308,227 km (0.098 R)
• M10: 13,501,956 km (0.093 R)
• M11: 23,263,815 km (0.054 R)
• M12: 34,155,587 km (0.115 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: 322 - 18,627 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit