🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.8

Radius: 12.6

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.95 AU - 1.41 AU

Year: 869 Days

Day: 10.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,117,819 km

• M1: 156,779 km (0.11 R)
• M2: 568,322 km (0.025 R)
• M3: 1,115,402 km (0.119 R)
• M4: 1,782,907 km (0.117 R)
• M5: 2,213,749 km (0.042 R)
• M6: 2,637,111 km (0.103 R)
• M7: 3,531,707 km (0.069 R)
• M8: 3,973,020 km (0.117 R)
• M9: 4,382,470 km (0.09 R)
• M10: 4,776,660 km (0.101 R)
• M11: 5,396,893 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.8

Radius: 10.8

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.13 AU - 1.67 AU

Year: 1124 Days

Day: 8.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,117,819 km

• M1: 141,520 km (0.089 R)
• M2: 490,232 km (0.087 R)
• M3: 878,439 km (0.119 R)
• M4: 1,611,767 km (0.071 R)
• M5: 2,112,621 km (0.101 R)
• M6: 2,957,251 km (0.054 R)
• M7: 3,457,356 km (0.102 R)
• M8: 5,804,996 km (0.04 R)
• M9: 6,592,180 km (0.099 R)
• M10: 7,216,751 km (0.077 R)
• M11: 8,924,859 km (0.086 R)

Asteroid Belt

Center: 2.31 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.4

Radius: 12.7

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.04 AU - 3.38 AU

Year: 3901 Days

Day: 11.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 77.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,117,819 km

• M1: 158,574 km (0.077 R)
• M2: 560,992 km (0.084 R)
• M3: 1,189,453 km (0.116 R)
• M4: 2,061,459 km (0.093 R)
• M5: 2,531,645 km (0.106 R)
• M6: 3,017,688 km (0.07 R)
• M7: 4,297,348 km (0.112 R)
• M8: 4,941,966 km (0.073 R)
• M9: 5,650,312 km (0.096 R)
• M10: 6,456,495 km (0.102 R)
• M11: 7,002,527 km (0.11 R)
• M12: 10,295,026 km (0.038 R)
• M13: 11,359,714 km (0.103 R)
• M14: 12,742,597 km (0.117 R)
• M15: 13,916,940 km (0.119 R)
• M16: 15,612,183 km (0.107 R)
• M17: 19,740,037 km (0.094 R)
• M18: 21,170,642 km (0.112 R)
• M19: 22,090,370 km (0.104 R)
• M20: 24,467,480 km (0.088 R)
• M21: 25,559,245 km (0.101 R)
• M22: 27,423,085 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.8

Radius: 11.6

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.24 AU - 4.28 AU

Year: 4945 Days

Day: 11.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 20,117,819 km

• M1: 144,212 km (0.075 R)
• M2: 509,979 km (0.031 R)
• M3: 924,814 km (0.106 R)
• M4: 1,331,421 km (0.083 R)
• M5: 1,693,298 km (0.101 R)
• M6: 2,442,784 km (0.118 R)
• M7: 2,885,444 km (0.056 R)
• M8: 3,321,522 km (0.079 R)
• M9: 4,646,061 km (0.111 R)
• M10: 5,303,245 km (0.094 R)
• M11: 6,203,225 km (0.101 R)
• M12: 6,967,670 km (0.103 R)
• M13: 7,616,626 km (0.091 R)
• M14: 8,569,415 km (0.043 R)
• M15: 9,765,599 km (0.076 R)
• M16: 13,393,797 km (0.029 R)
• M17: 14,022,108 km (0.057 R)
• M18: 18,660,838 km (0.027 R)
• M19: 20,319,131 km (0.094 R)
• M20: 21,009,076 km (0.102 R)
• M21: 22,001,359 km (0.113 R)
• M22: 22,509,094 km (0.037 R)
• M23: 23,623,449 km (0.1 R)
• M24: 26,366,176 km (0.089 R)
• M25: 28,450,822 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.9

Radius: 9.9

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.97 AU - 4.95 AU

Year: 6388 Days

Day: 7.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,117,819 km

• M1: 123,269 km (0.094 R)
• M2: 474,973 km (0.027 R)
• M3: 1,685,669 km (0.069 R)
• M4: 2,676,007 km (0.12 R)
• M5: 3,689,831 km (0.116 R)
• M6: 4,410,893 km (0.104 R)
• M7: 4,751,378 km (0.076 R)
• M8: 5,109,366 km (0.104 R)
• M9: 7,429,928 km (0.102 R)
• M10: 7,800,183 km (0.058 R)
• M11: 8,617,885 km (0.064 R)
• M12: 9,363,331 km (0.036 R)
• M13: 13,367,318 km (0.071 R)
• M14: 15,894,774 km (0.102 R)
• M15: 17,335,401 km (0.075 R)
• M16: 17,790,628 km (0.102 R)
• M17: 18,997,882 km (0.084 R)
• M18: 22,330,025 km (0.118 R)
• M19: 27,940,993 km (0.08 R)
• M20: 33,115,134 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.5

Radius: 13.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.93 AU - 5.41 AU

Year: 7973 Days

Day: 7.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,117,819 km

• M1: 167,400 km (0.108 R)
• M2: 1,009,786 km (0.1 R)
• M3: 1,451,399 km (0.119 R)
• M4: 1,876,556 km (0.038 R)
• M5: 2,347,191 km (0.102 R)
• M6: 3,327,505 km (0.104 R)
• M7: 4,025,679 km (0.077 R)
• M8: 4,564,680 km (0.043 R)
• M9: 5,987,804 km (0.093 R)
• M10: 6,747,313 km (0.083 R)
• M11: 7,990,920 km (0.118 R)
• M12: 11,903,054 km (0.063 R)
• M13: 13,846,181 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41.8

Radius: 7.8

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.3 AU - 7.52 AU

Year: 11007 Days

Day: 17 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,117,819 km

• M1: 153,188 km (0.094 R)
• M2: 413,638 km (0.038 R)
• M3: 1,136,046 km (0.054 R)
• M4: 2,256,235 km (0.096 R)
• M5: 6,818,073 km (0.077 R)
• M6: 7,695,015 km (0.111 R)
• M7: 9,597,900 km (0.064 R)
• M8: 10,463,473 km (0.057 R)
• M9: 10,736,938 km (0.072 R)
• M10: 15,084,851 km (0.089 R)
• M11: 15,942,495 km (0.043 R)
• M12: 17,644,620 km (0.08 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 12,511 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit