🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.6

Radius: 14.2

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.54 AU - 0.84 AU

Year: 403 Days

Day: 10.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 55,514,832 km

• M1: 176,675 km (0.105 R)
• M2: 1,213,837 km (0.111 R)
• M3: 1,771,089 km (0.09 R)
• M4: 2,950,968 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.9

Radius: 9

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.62 AU - 0.94 AU

Year: 484 Days

Day: 14.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,514,832 km

• M1: 116,537 km (0.105 R)
• M2: 470,037 km (0.1 R)
• M3: 800,349 km (0.07 R)
• M4: 1,226,852 km (0.095 R)
• M5: 1,582,297 km (0.102 R)
• M6: 1,869,674 km (0.094 R)
• M7: 2,235,142 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.9

Radius: 14.3

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.81 AU - 1.15 AU

Year: 682 Days

Day: 15 Hours

Environment

Temp: -166 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,514,832 km

• M1: 178,321 km (0.077 R)
• M2: 679,922 km (0.083 R)
• M3: 1,238,820 km (0.112 R)
• M4: 1,742,217 km (0.111 R)
• M5: 2,536,731 km (0.112 R)
• M6: 3,562,972 km (0.027 R)
• M7: 4,106,013 km (0.11 R)
• M8: 4,640,376 km (0.104 R)
• M9: 5,118,192 km (0.106 R)
• M10: 6,836,174 km (0.117 R)
• M11: 7,479,445 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188

Radius: 9.9

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.81 AU - 1.19 AU

Year: 703 Days

Day: 6.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 133.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,514,832 km

• M1: 123,269 km (0.057 R)
• M2: 469,887 km (0.072 R)
• M3: 1,042,996 km (0.092 R)
• M4: 1,370,167 km (0.101 R)
• M5: 1,900,641 km (0.101 R)
• M6: 2,214,647 km (0.092 R)
• M7: 2,620,506 km (0.11 R)
• M8: 3,863,365 km (0.099 R)
• M9: 4,455,025 km (0.089 R)
• M10: 5,106,075 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.9

Radius: 14.5

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.01 AU - 1.17 AU

Year: 800 Days

Day: 13.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,514,832 km

• M1: 180,265 km (0.072 R)
• M2: 778,208 km (0.095 R)
• M3: 1,363,884 km (0.101 R)
• M4: 1,841,999 km (0.087 R)
• M5: 2,316,673 km (0.077 R)
• M6: 2,849,391 km (0.086 R)
• M7: 3,577,483 km (0.076 R)
• M8: 4,311,859 km (0.116 R)
• M9: 4,999,112 km (0.096 R)
• M10: 5,818,759 km (0.063 R)
• M11: 6,271,741 km (0.074 R)
• M12: 7,461,493 km (0.118 R)
• M13: 8,198,861 km (0.103 R)
• M14: 9,174,837 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.8

Radius: 10.1

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1 AU - 1.62 AU

Year: 1054 Days

Day: 6.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,514,832 km

• M1: 125,662 km (0.085 R)
• M2: 450,589 km (0.071 R)
• M3: 849,118 km (0.076 R)
• M4: 1,179,130 km (0.107 R)
• M5: 1,572,722 km (0.046 R)
• M6: 2,014,784 km (0.048 R)
• M7: 2,493,797 km (0.087 R)
• M8: 2,821,565 km (0.057 R)
• M9: 3,340,371 km (0.109 R)
• M10: 4,220,904 km (0.103 R)
• M11: 5,249,240 km (0.065 R)
• M12: 5,872,764 km (0.098 R)
• M13: 6,372,271 km (0.03 R)
• M14: 7,552,000 km (0.1 R)
• M15: 8,580,485 km (0.119 R)
• M16: 9,362,583 km (0.043 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.6

Radius: 14.7

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.4 AU - 2.08 AU

Year: 1613 Days

Day: 7.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,514,832 km

• M1: 182,809 km (0.046 R)
• M2: 646,712 km (0.076 R)
• M3: 1,645,277 km (0.102 R)
• M4: 2,350,482 km (0.092 R)
• M5: 4,103,021 km (0.104 R)
• M6: 5,057,006 km (0.113 R)
• M7: 5,764,455 km (0.063 R)
• M8: 9,122,927 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.7

Radius: 11.4

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.42 AU - 2.12 AU

Year: 1655 Days

Day: 8.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,514,832 km

• M1: 141,819 km (0.098 R)
• M2: 507,436 km (0.078 R)
• M3: 961,765 km (0.099 R)
• M4: 1,930,261 km (0.1 R)
• M5: 2,434,406 km (0.109 R)
• M6: 3,971,524 km (0.111 R)
• M7: 4,850,861 km (0.068 R)
• M8: 5,661,083 km (0.042 R)
• M9: 7,759,791 km (0.09 R)
• M10: 8,838,691 km (0.077 R)
• M11: 9,611,663 km (0.097 R)
• M12: 10,014,829 km (0.079 R)

Planet 9 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.3

Radius: 12.6

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.62 AU - 2.26 AU

Year: 1899 Days

Day: 13.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,514,832 km

• M1: 157,227 km (0.039 R)
• M2: 559,346 km (0.102 R)
• M3: 986,299 km (0.082 R)
• M4: 1,671,307 km (0.101 R)
• M5: 3,166,389 km (0.11 R)
• M6: 4,285,081 km (0.048 R)
• M7: 8,866,217 km (0.101 R)
• M8: 10,118,351 km (0.109 R)
• M9: 11,104,201 km (0.079 R)
• M10: 13,055,257 km (0.117 R)
• M11: 15,225,473 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 837.2

Radius: 4.5

Gravity: 41.34 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.98 AU - 6.74 AU

Year: 11274 Days

Day: 16 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,514,832 km

• M1: 56,249 km (0.057 R)
• M2: 262,544 km (0.084 R)
• M3: 442,361 km (0.095 R)
• M4: 696,079 km (0.052 R)
• M5: 841,937 km (0.066 R)
• M6: 1,008,439 km (0.102 R)
• M7: 1,508,844 km (0.049 R)
• M8: 2,293,934 km (0.039 R)
• M9: 3,196,159 km (0.056 R)
• M10: 3,658,865 km (0.118 R)
• M11: 4,135,484 km (0.111 R)
• M12: 4,404,161 km (0.117 R)
• M13: 4,844,877 km (0.12 R)
• M14: 6,620,603 km (0.092 R)
• M15: 7,675,418 km (0.086 R)
• M16: 9,132,800 km (0.036 R)
• M17: 16,512,912 km (0.101 R)
• M18: 16,885,710 km (0.118 R)
• M19: 21,719,217 km (0.083 R)
• M20: 24,497,250 km (0.077 R)
• M21: 34,235,024 km (0.109 R)
• M22: 35,208,008 km (0.077 R)
• M23: 39,152,755 km (0.108 R)
• M24: 43,100,493 km (0.068 R)
• M25: 46,858,242 km (0.097 R)
• M26: 47,006,942 km (0.118 R)
• M27: 48,969,217 km (0.097 R)
• M28: 54,194,372 km (0.11 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 152 - 20,064 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit