🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.61 AU - 0.83 AU

Year: 273 Days

Day: 45.2 Hours

Environment

Temp: -24 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.82 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.4

Radius: 13.7

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.25 AU - 3.59 AU

Year: 2227 Days

Day: 5.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,197,596 km

• M1: 170,691 km (0.089 R)
• M2: 721,211 km (0.082 R)
• M3: 1,270,984 km (0.112 R)
• M4: 1,719,179 km (0.105 R)
• M5: 2,313,681 km (0.039 R)
• M6: 4,191,882 km (0.053 R)
• M7: 5,235,327 km (0.118 R)
• M8: 6,659,648 km (0.065 R)
• M9: 7,302,470 km (0.113 R)
• M10: 7,773,853 km (0.053 R)
• M11: 8,745,492 km (0.112 R)
• M12: 9,311,719 km (0.087 R)
• M13: 10,297,869 km (0.104 R)
• M14: 11,197,700 km (0.116 R)
• M15: 11,746,275 km (0.085 R)
• M16: 17,161,718 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276

Radius: 8.4

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.08 AU - 3.14 AU

Year: 2447 Days

Day: 11.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,197,596 km

• M1: 104,419 km (0.058 R)
• M2: 490,681 km (0.064 R)
• M3: 835,205 km (0.031 R)
• M4: 1,495,680 km (0.084 R)
• M5: 1,906,625 km (0.108 R)
• M6: 2,342,104 km (0.102 R)
• M7: 2,913,568 km (0.113 R)
• M8: 5,675,145 km (0.112 R)
• M9: 6,091,625 km (0.03 R)
• M10: 6,882,400 km (0.052 R)
• M11: 8,136,628 km (0.073 R)
• M12: 10,498,180 km (0.11 R)
• M13: 12,573,701 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.4

Radius: 9.1

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.08 AU - 8.32 AU

Year: 8621 Days

Day: 13.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,197,596 km

• M1: 118,781 km (0.093 R)
• M2: 538,552 km (0.071 R)
• M3: 890,706 km (0.086 R)
• M4: 1,188,854 km (0.078 R)
• M5: 1,631,664 km (0.112 R)
• M6: 2,626,340 km (0.096 R)
• M7: 3,234,156 km (0.114 R)
• M8: 3,538,139 km (0.115 R)
• M9: 5,476,030 km (0.115 R)
• M10: 6,467,266 km (0.114 R)
• M11: 6,846,347 km (0.072 R)
• M12: 7,573,691 km (0.088 R)
• M13: 9,354,205 km (0.049 R)
• M14: 10,528,698 km (0.101 R)
• M15: 10,957,296 km (0.088 R)
• M16: 13,004,842 km (0.117 R)
• M17: 16,031,656 km (0.087 R)
• M18: 16,663,258 km (0.083 R)
• M19: 24,084,958 km (0.117 R)
• M20: 24,913,431 km (0.041 R)
• M21: 32,638,067 km (0.108 R)
• M22: 33,960,661 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.2

Radius: 12.9

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.25 AU - 9.07 AU

Year: 11372 Days

Day: 14.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,197,596 km

• M1: 167,250 km (0.085 R)
• M2: 568,622 km (0.074 R)
• M3: 1,113,307 km (0.045 R)
• M4: 5,233,532 km (0.119 R)
• M5: 6,856,070 km (0.063 R)
• M6: 8,840,037 km (0.101 R)
• M7: 10,466,765 km (0.103 R)
• M8: 11,013,994 km (0.036 R)
• M9: 12,465,691 km (0.12 R)
• M10: 14,640,246 km (0.079 R)
• M11: 17,738,568 km (0.094 R)
• M12: 21,250,228 km (0.104 R)
• M13: 24,622,314 km (0.077 R)
• M14: 29,508,330 km (0.086 R)
• M15: 31,835,923 km (0.12 R)
• M16: 38,121,876 km (0.098 R)
• M17: 41,963,848 km (0.091 R)
• M18: 43,067,432 km (0.11 R)
• M19: 43,907,873 km (0.081 R)
• M20: 54,210,977 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.9

Radius: 13.1

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.4 AU - 9.46 AU

Year: 11908 Days

Day: 6.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,197,596 km

• M1: 162,912 km (0.056 R)
• M2: 599,588 km (0.117 R)
• M3: 1,477,578 km (0.12 R)
• M4: 2,354,970 km (0.104 R)
• M5: 3,580,475 km (0.064 R)
• M6: 4,422,412 km (0.108 R)
• M7: 5,096,949 km (0.108 R)
• M8: 6,575,574 km (0.111 R)
• M9: 7,752,461 km (0.112 R)
• M10: 8,970,038 km (0.102 R)
• M11: 9,850,122 km (0.116 R)
• M12: 11,332,637 km (0.049 R)
• M13: 11,896,621 km (0.1 R)
• M14: 13,019,951 km (0.116 R)
• M15: 14,407,621 km (0.117 R)
• M16: 17,106,666 km (0.067 R)
• M17: 18,691,805 km (0.109 R)
• M18: 19,720,889 km (0.097 R)
• M19: 22,065,536 km (0.08 R)
• M20: 22,502,961 km (0.109 R)
• M21: 23,304,955 km (0.076 R)
• M22: 24,033,796 km (0.119 R)
• M23: 25,537,105 km (0.081 R)
• M24: 36,870,789 km (0.114 R)
• M25: 39,122,686 km (0.09 R)
• M26: 41,864,067 km (0.048 R)
• M27: 45,151,330 km (0.066 R)
• M28: 47,581,248 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.3

Radius: 4.1

Gravity: 22.15 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 12.01 AU - 19.77 AU

Year: 28264 Days

Day: 20.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 78,197,596 km

• M1: 51,162 km (0.084 R)
• M2: 274,811 km (0.05 R)
• M3: 434,881 km (0.111 R)
• M4: 795,561 km (0.09 R)
• M5: 1,091,316 km (0.052 R)
• M6: 1,257,370 km (0.061 R)
• M7: 1,440,328 km (0.036 R)
• M8: 1,729,950 km (0.093 R)
• M9: 2,587,744 km (0.119 R)
• M10: 3,122,407 km (0.096 R)
• M11: 3,288,012 km (0.113 R)
• M12: 4,271,767 km (0.039 R)
• M13: 4,545,382 km (0.096 R)
• M14: 4,830,665 km (0.116 R)
• M15: 5,319,551 km (0.106 R)
• M16: 5,758,471 km (0.088 R)
• M17: 7,509,664 km (0.036 R)
• M18: 13,482,807 km (0.03 R)
• M19: 15,063,010 km (0.102 R)
• M20: 17,876,198 km (0.109 R)
• M21: 20,249,867 km (0.089 R)
• M22: 22,011,083 km (0.111 R)
• M23: 22,314,168 km (0.077 R)
• M24: 23,344,748 km (0.077 R)
• M25: 25,946,703 km (0.097 R)
• M26: 27,784,813 km (0.097 R)
• M27: 30,202,165 km (0.085 R)
• M28: 32,494,453 km (0.03 R)
• M29: 39,464,816 km (0.118 R)
• M30: 40,362,852 km (0.106 R)
• M31: 40,513,796 km (0.072 R)
• M32: 46,700,416 km (0.071 R)
• M33: 47,200,821 km (0.042 R)
• M34: 57,400,553 km (0.08 R)
• M35: 60,112,613 km (0.058 R)
• M36: 61,300,570 km (0.101 R)
• M37: 61,699,996 km (0.076 R)
• M38: 61,900,308 km (0.075 R)
• M39: 63,518,957 km (0.088 R)
• M40: 72,259,212 km (0.096 R)
• M41: 77,729,707 km (0.051 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 11,921 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit