🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.9

Radius: 9.2

Gravity: 10.4 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.51 AU - 0.57 AU

Year: 265 Days

Day: 7.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,450,677 km

• M1: 114,442 km (0.106 R)
• M2: 429,944 km (0.087 R)
• M3: 727,195 km (0.073 R)
• M4: 1,098,946 km (0.077 R)
• M5: 1,459,477 km (0.085 R)
• M6: 1,784,703 km (0.11 R)
• M7: 2,110,976 km (0.074 R)
• M8: 2,602,554 km (0.103 R)
• M9: 2,964,731 km (0.107 R)
• M10: 3,628,197 km (0.085 R)
• M11: 3,946,841 km (0.108 R)
• M12: 4,348,661 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.8

Radius: 8.2

Gravity: 14.32 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.47 AU - 0.71 AU

Year: 302 Days

Day: 12.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,450,677 km

• M1: 102,175 km (0.116 R)
• M2: 369,208 km (0.079 R)
• M3: 775,515 km (0.111 R)
• M4: 1,129,763 km (0.05 R)
• M5: 1,961,078 km (0.115 R)
• M6: 2,516,386 km (0.118 R)
• M7: 3,022,326 km (0.1 R)
• M8: 4,357,636 km (0.118 R)
• M9: 4,821,240 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.2

Radius: 10.4

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.78 AU - 1.08 AU

Year: 598 Days

Day: 6.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,450,677 km

• M1: 129,402 km (0.087 R)
• M2: 480,658 km (0.092 R)
• M3: 856,897 km (0.096 R)
• M4: 1,463,366 km (0.116 R)
• M5: 1,860,549 km (0.094 R)
• M6: 2,186,971 km (0.061 R)
• M7: 3,191,222 km (0.111 R)
• M8: 3,569,854 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.7

Radius: 14

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.84 AU - 1.08 AU

Year: 627 Days

Day: 14.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,450,677 km

• M1: 174,132 km (0.117 R)
• M2: 715,676 km (0.049 R)
• M3: 1,151,006 km (0.047 R)
• M4: 1,644,529 km (0.055 R)
• M5: 2,232,150 km (0.103 R)
• M6: 2,703,682 km (0.086 R)
• M7: 3,319,577 km (0.117 R)
• M8: 4,702,160 km (0.074 R)
• M9: 5,145,568 km (0.113 R)
• M10: 6,460,534 km (0.099 R)
• M11: 7,847,156 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.5

Radius: 14.1

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.28 AU - 1.48 AU

Year: 1081 Days

Day: 13.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,450,677 km

• M1: 176,974 km (0.094 R)
• M2: 684,410 km (0.093 R)
• M3: 1,159,832 km (0.07 R)
• M4: 1,800,261 km (0.102 R)
• M5: 2,280,021 km (0.059 R)
• M6: 2,962,187 km (0.067 R)
• M7: 4,114,390 km (0.079 R)
• M8: 5,112,806 km (0.075 R)
• M9: 5,690,404 km (0.057 R)
• M10: 8,076,939 km (0.094 R)
• M11: 8,779,301 km (0.047 R)
• M12: 9,463,561 km (0.077 R)
• M13: 10,462,127 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.3

Radius: 12.9

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.67 AU - 4.85 AU

Year: 5863 Days

Day: 7.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,450,677 km

• M1: 160,369 km (0.097 R)
• M2: 889,808 km (0.059 R)
• M3: 1,588,131 km (0.073 R)
• M4: 2,338,364 km (0.068 R)
• M5: 2,740,334 km (0.115 R)
• M6: 4,978,916 km (0.066 R)
• M7: 6,221,177 km (0.107 R)
• M8: 7,774,003 km (0.06 R)
• M9: 10,614,717 km (0.103 R)
• M10: 14,546,149 km (0.119 R)
• M11: 15,194,506 km (0.085 R)
• M12: 22,158,586 km (0.119 R)
• M13: 22,624,434 km (0.046 R)
• M14: 24,802,130 km (0.08 R)
• M15: 30,420,877 km (0.075 R)
• M16: 31,873,921 km (0.038 R)
• M17: 32,767,618 km (0.068 R)
• M18: 33,271,314 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140

Radius: 14.4

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.62 AU - 5.62 AU

Year: 6622 Days

Day: 10.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,450,677 km

• M1: 225,743 km (0.065 R)
• M2: 1,450,651 km (0.112 R)
• M3: 2,546,305 km (0.056 R)
• M4: 3,050,899 km (0.072 R)
• M5: 3,975,115 km (0.083 R)
• M6: 5,054,912 km (0.077 R)
• M7: 6,156,700 km (0.088 R)
• M8: 8,218,309 km (0.087 R)
• M9: 10,196,142 km (0.086 R)
• M10: 10,746,662 km (0.078 R)
• M11: 11,400,106 km (0.071 R)
• M12: 12,210,477 km (0.074 R)
• M13: 15,225,473 km (0.117 R)
• M14: 20,384,206 km (0.066 R)
• M15: 21,196,373 km (0.085 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 13,334 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit