🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.2

Radius: 10.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.59 AU - 0.89 AU

Year: 424 Days

Day: 14.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 23,101,707 km

• M1: 131,945 km (0.072 R)
• M2: 514,766 km (0.108 R)
• M3: 1,461,571 km (0.117 R)
• M4: 1,826,291 km (0.096 R)
• M5: 3,784,976 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.8

Radius: 11.1

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.7 AU - 0.94 AU

Year: 495 Days

Day: 13.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,101,707 km

• M1: 138,079 km (0.043 R)
• M2: 530,025 km (0.099 R)
• M3: 923,916 km (0.045 R)
• M4: 1,327,232 km (0.077 R)
• M5: 1,922,632 km (0.101 R)
• M6: 2,368,433 km (0.093 R)
• M7: 2,795,685 km (0.079 R)
• M8: 3,262,430 km (0.081 R)
• M9: 4,109,154 km (0.066 R)
• M10: 4,871,505 km (0.075 R)
• M11: 5,708,056 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.5

Radius: 13

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.88 AU - 0.9 AU

Year: 560 Days

Day: 8.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,101,707 km

• M1: 162,314 km (0.046 R)
• M2: 669,450 km (0.062 R)
• M3: 1,197,531 km (0.072 R)
• M4: 1,871,469 km (0.075 R)
• M5: 2,703,533 km (0.105 R)
• M6: 3,229,070 km (0.036 R)
• M7: 3,862,617 km (0.1 R)
• M8: 4,339,984 km (0.106 R)
• M9: 4,778,156 km (0.099 R)
• M10: 5,312,819 km (0.083 R)
• M11: 6,180,486 km (0.111 R)
• M12: 6,697,796 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.9

Radius: 8.1

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.78 AU - 1.3 AU

Year: 707 Days

Day: 8.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,101,707 km

• M1: 100,979 km (0.118 R)
• M2: 505,641 km (0.113 R)
• M3: 1,136,794 km (0.118 R)
• M4: 2,250,102 km (0.067 R)
• M5: 2,804,960 km (0.038 R)
• M6: 3,099,668 km (0.106 R)
• M7: 3,694,170 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.8

Radius: 8.9

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.91 AU - 1.51 AU

Year: 888 Days

Day: 13.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,101,707 km

• M1: 110,852 km (0.096 R)
• M2: 401,820 km (0.073 R)
• M3: 980,614 km (0.055 R)
• M4: 1,318,855 km (0.105 R)
• M5: 1,849,927 km (0.117 R)
• M6: 2,353,175 km (0.079 R)
• M7: 2,678,400 km (0.105 R)
• M8: 2,982,832 km (0.081 R)
• M9: 3,296,838 km (0.076 R)
• M10: 3,647,495 km (0.077 R)
• M11: 4,069,660 km (0.095 R)
• M12: 4,423,908 km (0.071 R)
• M13: 6,323,053 km (0.115 R)
• M14: 6,956,151 km (0.087 R)
• M15: 8,451,083 km (0.077 R)
• M16: 8,816,401 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.1

Radius: 11.4

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.21 AU - 1.25 AU

Year: 910 Days

Day: 9.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,101,707 km

• M1: 141,819 km (0.064 R)
• M2: 516,113 km (0.1 R)
• M3: 958,025 km (0.096 R)
• M4: 1,327,980 km (0.071 R)
• M5: 1,699,581 km (0.089 R)
• M6: 2,344,947 km (0.118 R)
• M7: 3,296,090 km (0.073 R)
• M8: 3,757,599 km (0.1 R)
• M9: 4,289,719 km (0.077 R)
• M10: 5,539,011 km (0.025 R)
• M11: 5,895,054 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.9

Radius: 9.4

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.15 AU - 1.47 AU

Year: 1000 Days

Day: 6.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,101,707 km

• M1: 116,986 km (0.109 R)
• M2: 476,020 km (0.114 R)
• M3: 887,863 km (0.118 R)
• M4: 1,253,630 km (0.102 R)
• M5: 1,659,040 km (0.058 R)
• M6: 2,737,342 km (0.107 R)
• M7: 3,176,112 km (0.117 R)
• M8: 3,616,529 km (0.096 R)
• M9: 4,585,324 km (0.053 R)
• M10: 5,738,425 km (0.118 R)
• M11: 7,098,269 km (0.12 R)
• M12: 7,903,854 km (0.101 R)
• M13: 9,437,531 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770

Radius: 11

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.32 AU - 1.52 AU

Year: 1128 Days

Day: 14.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,101,707 km

• M1: 136,882 km (0.092 R)
• M2: 486,043 km (0.118 R)
• M3: 964,757 km (0.103 R)
• M4: 1,408,763 km (0.091 R)
• M5: 2,029,445 km (0.066 R)
• M6: 2,439,343 km (0.094 R)
• M7: 3,026,365 km (0.069 R)
• M8: 4,031,214 km (0.105 R)
• M9: 4,519,651 km (0.12 R)
• M10: 4,988,790 km (0.099 R)
• M11: 5,449,102 km (0.117 R)
• M12: 5,828,782 km (0.11 R)
• M13: 6,408,773 km (0.105 R)
• M14: 7,350,491 km (0.057 R)
• M15: 8,803,685 km (0.088 R)
• M16: 10,060,008 km (0.088 R)
• M17: 11,195,157 km (0.09 R)
• M18: 11,637,966 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.9

Radius: 9.2

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.52 AU - 3.48 AU

Year: 3465 Days

Day: 7.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,101,707 km

• M1: 122,072 km (0.105 R)
• M2: 476,020 km (0.078 R)
• M3: 915,240 km (0.062 R)
• M4: 2,326,097 km (0.066 R)
• M5: 2,793,291 km (0.033 R)
• M6: 3,506,125 km (0.054 R)
• M7: 5,646,572 km (0.116 R)
• M8: 6,550,143 km (0.077 R)
• M9: 7,610,642 km (0.081 R)
• M10: 10,340,654 km (0.076 R)
• M11: 11,688,830 km (0.07 R)
• M12: 15,592,137 km (0.071 R)
• M13: 19,737,494 km (0.098 R)

Planet 10 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.1

Radius: 13.9

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.21 AU - 5.19 AU

Year: 6795 Days

Day: 7.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,101,707 km

• M1: 172,935 km (0.074 R)
• M2: 609,312 km (0.092 R)
• M3: 1,362,687 km (0.056 R)
• M4: 2,433,957 km (0.119 R)
• M5: 3,946,242 km (0.113 R)
• M6: 4,763,196 km (0.087 R)
• M7: 5,351,714 km (0.089 R)
• M8: 5,851,670 km (0.072 R)
• M9: 6,946,278 km (0.084 R)
• M10: 8,275,754 km (0.104 R)
• M11: 8,946,701 km (0.11 R)
• M12: 10,970,311 km (0.11 R)
• M13: 12,178,613 km (0.067 R)
• M14: 15,638,961 km (0.086 R)
• M15: 16,999,704 km (0.057 R)
• M16: 18,854,867 km (0.065 R)
• M17: 20,713,471 km (0.087 R)
• M18: 21,229,135 km (0.118 R)
• M19: 21,885,720 km (0.088 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 14,477 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit