🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.8

Radius: 14.4

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.48 AU - 0.68 AU

Year: 295 Days

Day: 10.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,518,572 km

• M1: 179,069 km (0.068 R)
• M2: 638,334 km (0.08 R)
• M3: 1,086,529 km (0.088 R)
• M4: 1,603,240 km (0.103 R)
• M5: 2,096,764 km (0.069 R)
• M6: 2,794,937 km (0.072 R)
• M7: 3,315,388 km (0.062 R)
• M8: 4,057,543 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379

Radius: 14.7

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.55 AU - 0.85 AU

Year: 391 Days

Day: 8.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,518,572 km

• M1: 182,958 km (0.115 R)
• M2: 666,608 km (0.075 R)
• M3: 1,233,883 km (0.042 R)
• M4: 1,771,688 km (0.09 R)
• M5: 2,668,228 km (0.085 R)
• M6: 3,226,676 km (0.114 R)
• M7: 4,040,638 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161

Radius: 11

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.57 AU - 0.91 AU

Year: 424 Days

Day: 12.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,518,572 km

• M1: 141,370 km (0.07 R)
• M2: 491,728 km (0.102 R)
• M3: 994,527 km (0.093 R)
• M4: 1,392,008 km (0.087 R)
• M5: 1,850,675 km (0.076 R)
• M6: 2,347,041 km (0.104 R)
• M7: 3,049,852 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.5

Radius: 14.3

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.71 AU - 0.81 AU

Year: 442 Days

Day: 10.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,518,572 km

• M1: 177,872 km (0.053 R)
• M2: 700,118 km (0.103 R)
• M3: 1,175,091 km (0.073 R)
• M4: 1,623,735 km (0.069 R)
• M5: 2,219,135 km (0.039 R)
• M6: 3,095,778 km (0.103 R)
• M7: 3,605,009 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.8

Radius: 11.9

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.01 AU - 1.41 AU

Year: 888 Days

Day: 12.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,518,572 km

• M1: 148,251 km (0.065 R)
• M2: 520,152 km (0.067 R)
• M3: 918,980 km (0.108 R)
• M4: 1,912,310 km (0.119 R)
• M5: 2,580,563 km (0.097 R)
• M6: 2,951,865 km (0.107 R)
• M7: 4,025,828 km (0.093 R)
• M8: 4,512,620 km (0.07 R)
• M9: 5,127,168 km (0.112 R)
• M10: 5,816,365 km (0.105 R)
• M11: 6,419,544 km (0.112 R)
• M12: 7,356,625 km (0.076 R)
• M13: 7,942,151 km (0.087 R)
• M14: 8,533,212 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.1

Radius: 8.6

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.07 AU - 4.35 AU

Year: 5760 Days

Day: 14.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,518,572 km

• M1: 108,159 km (0.05 R)
• M2: 376,987 km (0.109 R)
• M3: 1,404,126 km (0.073 R)
• M4: 2,074,474 km (0.104 R)
• M5: 2,526,858 km (0.037 R)
• M6: 3,745,931 km (0.108 R)
• M7: 4,160,766 km (0.073 R)
• M8: 4,471,780 km (0.085 R)
• M9: 5,024,843 km (0.115 R)
• M10: 6,068,886 km (0.108 R)
• M11: 7,437,258 km (0.068 R)
• M12: 7,780,286 km (0.104 R)
• M13: 8,093,843 km (0.076 R)
• M14: 8,746,688 km (0.095 R)
• M15: 11,210,864 km (0.068 R)
• M16: 12,655,232 km (0.104 R)
• M17: 13,199,918 km (0.045 R)
• M18: 17,261,051 km (0.046 R)
• M19: 20,265,425 km (0.035 R)
• M20: 20,561,629 km (0.113 R)
• M21: 22,007,642 km (0.076 R)
• M22: 22,875,160 km (0.113 R)
• M23: 23,520,226 km (0.097 R)
• M24: 24,260,436 km (0.117 R)
• M25: 30,459,772 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.9

Radius: 11.2

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.62 AU - 5.36 AU

Year: 6345 Days

Day: 6.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,518,572 km

• M1: 139,575 km (0.062 R)
• M2: 555,008 km (0.103 R)
• M3: 981,212 km (0.072 R)
• M4: 1,482,216 km (0.094 R)
• M5: 1,855,911 km (0.12 R)
• M6: 2,213,151 km (0.08 R)
• M7: 2,836,824 km (0.072 R)
• M8: 3,530,510 km (0.11 R)
• M9: 4,258,303 km (0.054 R)
• M10: 4,751,976 km (0.105 R)
• M11: 5,283,797 km (0.112 R)
• M12: 6,301,661 km (0.079 R)
• M13: 7,049,949 km (0.034 R)
• M14: 8,601,578 km (0.074 R)
• M15: 9,522,353 km (0.113 R)
• M16: 10,787,951 km (0.099 R)
• M17: 11,217,746 km (0.082 R)
• M18: 15,556,084 km (0.119 R)
• M19: 15,981,989 km (0.104 R)
• M20: 17,567,278 km (0.11 R)
• M21: 18,162,827 km (0.089 R)
• M22: 18,703,623 km (0.104 R)
• M23: 19,394,466 km (0.067 R)
• M24: 21,419,722 km (0.051 R)
• M25: 22,483,513 km (0.104 R)
• M26: 24,144,947 km (0.1 R)
• M27: 25,464,550 km (0.106 R)
• M28: 25,971,537 km (0.09 R)
• M29: 29,156,625 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.1

Radius: 6.1

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.06 AU - 8.38 AU

Year: 12937 Days

Day: 20.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,518,572 km

• M1: 86,617 km (0.099 R)
• M2: 287,078 km (0.093 R)
• M3: 839,244 km (0.059 R)
• M4: 2,113,369 km (0.069 R)
• M5: 3,035,790 km (0.079 R)
• M6: 3,376,274 km (0.088 R)
• M7: 4,624,669 km (0.12 R)
• M8: 5,419,632 km (0.096 R)
• M9: 6,332,328 km (0.075 R)
• M10: 7,409,882 km (0.075 R)
• M11: 8,204,845 km (0.073 R)
• M12: 10,672,162 km (0.1 R)
• M13: 12,662,712 km (0.109 R)
• M14: 13,745,202 km (0.116 R)
• M15: 15,318,972 km (0.104 R)
• M16: 16,661,612 km (0.113 R)
• M17: 17,778,660 km (0.109 R)
• M18: 18,882,243 km (0.06 R)
• M19: 22,186,262 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693

Radius: 4.6

Gravity: 32.75 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.34 AU - 9.22 AU

Year: 15888 Days

Day: 18.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,518,572 km

• M1: 57,296 km (0.027 R)
• M2: 218,263 km (0.038 R)
• M3: 414,087 km (0.11 R)
• M4: 557,701 km (0.095 R)
• M5: 1,142,629 km (0.119 R)
• M6: 1,556,715 km (0.076 R)
• M7: 1,896,303 km (0.084 R)
• M8: 2,912,222 km (0.111 R)
• M9: 4,735,969 km (0.048 R)
• M10: 5,786,894 km (0.083 R)
• M11: 5,982,718 km (0.111 R)
• M12: 6,182,880 km (0.103 R)
• M13: 8,537,999 km (0.104 R)
• M14: 11,067,550 km (0.082 R)
• M15: 12,567,119 km (0.12 R)
• M16: 14,481,523 km (0.108 R)
• M17: 18,117,649 km (0.054 R)
• M18: 19,395,065 km (0.11 R)
• M19: 20,369,096 km (0.08 R)
• M20: 22,703,422 km (0.096 R)
• M21: 25,943,712 km (0.108 R)
• M22: 26,262,355 km (0.089 R)
• M23: 26,907,720 km (0.098 R)
• M24: 29,826,225 km (0.094 R)
• M25: 30,058,999 km (0.071 R)
• M26: 33,197,712 km (0.12 R)
• M27: 35,234,038 km (0.057 R)
• M28: 46,361,128 km (0.077 R)
• M29: 46,673,638 km (0.104 R)
• M30: 47,937,740 km (0.118 R)
• M31: 48,578,318 km (0.118 R)
• M32: 53,393,874 km (0.082 R)
• M33: 53,909,388 km (0.089 R)
• M34: 55,300,648 km (0.106 R)
• M35: 59,433,289 km (0.088 R)
• M36: 60,358,103 km (0.12 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: 312 - 16,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit