🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209

Radius: 11.7

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.45 AU - 0.75 AU

Year: 310 Days

Day: 6.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,651,039 km

• M1: 145,559 km (0.101 R)
• M2: 659,278 km (0.083 R)
• M3: 1,084,136 km (0.08 R)
• M4: 1,495,081 km (0.08 R)
• M5: 2,435,154 km (0.111 R)
• M6: 3,013,948 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118

Radius: 12.6

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.77 AU - 1.09 AU

Year: 598 Days

Day: 12.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,651,039 km

• M1: 156,629 km (0.112 R)
• M2: 1,194,539 km (0.074 R)
• M3: 1,878,351 km (0.103 R)
• M4: 2,531,495 km (0.038 R)
• M5: 3,181,049 km (0.075 R)
• M6: 3,725,286 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.9

Radius: 9.6

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.02 AU - 1.26 AU

Year: 812 Days

Day: 13.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,651,039 km

• M1: 173,085 km (0.029 R)
• M2: 694,733 km (0.074 R)
• M3: 1,043,595 km (0.036 R)
• M4: 1,416,841 km (0.12 R)
• M5: 2,213,151 km (0.043 R)
• M6: 2,711,162 km (0.052 R)
• M7: 3,260,486 km (0.104 R)
• M8: 3,845,114 km (0.052 R)
• M9: 4,938,974 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.8

Radius: 14.1

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.49 AU - 1.53 AU

Year: 1237 Days

Day: 5.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,651,039 km

• M1: 175,329 km (0.078 R)
• M2: 642,972 km (0.118 R)
• M3: 1,362,238 km (0.056 R)
• M4: 1,866,383 km (0.092 R)
• M5: 2,636,363 km (0.092 R)
• M6: 3,392,281 km (0.115 R)
• M7: 3,900,166 km (0.107 R)
• M8: 4,458,765 km (0.071 R)
• M9: 4,903,369 km (0.079 R)
• M10: 5,820,554 km (0.067 R)
• M11: 6,942,239 km (0.074 R)
• M12: 7,741,839 km (0.069 R)
• M13: 9,125,620 km (0.107 R)
• M14: 9,670,605 km (0.069 R)
• M15: 10,237,132 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.7

Radius: 12.2

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.15 AU - 2.41 AU

Year: 2296 Days

Day: 9.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 107.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,651,039 km

• M1: 151,692 km (0.118 R)
• M2: 533,915 km (0.098 R)
• M3: 1,092,812 km (0.066 R)
• M4: 1,913,506 km (0.111 R)
• M5: 2,418,998 km (0.085 R)
• M6: 3,159,507 km (0.072 R)
• M7: 3,610,844 km (0.092 R)
• M8: 4,065,621 km (0.068 R)
• M9: 4,931,793 km (0.107 R)
• M10: 5,373,107 km (0.074 R)
• M11: 6,202,627 km (0.119 R)
• M12: 7,261,630 km (0.049 R)
• M13: 7,772,956 km (0.066 R)
• M14: 8,243,890 km (0.085 R)
• M15: 9,139,832 km (0.104 R)
• M16: 10,062,701 km (0.098 R)
• M17: 13,206,350 km (0.084 R)
• M18: 16,284,177 km (0.114 R)
• M19: 17,800,651 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.6

Radius: 8.5

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.23 AU - 7.01 AU

Year: 8885 Days

Day: 10.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,651,039 km

• M1: 105,766 km (0.075 R)
• M2: 414,087 km (0.094 R)
• M3: 780,602 km (0.112 R)
• M4: 1,173,745 km (0.096 R)
• M5: 1,710,352 km (0.111 R)
• M6: 2,068,639 km (0.117 R)
• M7: 2,533,739 km (0.11 R)
• M8: 3,133,178 km (0.072 R)
• M9: 3,697,910 km (0.091 R)
• M10: 4,356,739 km (0.074 R)
• M11: 4,968,744 km (0.028 R)
• M12: 5,603,637 km (0.08 R)
• M13: 6,009,945 km (0.11 R)
• M14: 6,957,797 km (0.065 R)
• M15: 8,561,785 km (0.117 R)
• M16: 8,919,025 km (0.116 R)
• M17: 10,149,318 km (0.058 R)
• M18: 10,448,663 km (0.111 R)
• M19: 11,759,739 km (0.086 R)
• M20: 12,943,058 km (0.106 R)
• M21: 14,018,966 km (0.118 R)
• M22: 14,705,171 km (0.108 R)
• M23: 15,024,413 km (0.087 R)
• M24: 16,009,815 km (0.113 R)
• M25: 18,698,537 km (0.088 R)
• M26: 20,862,769 km (0.108 R)
• M27: 22,761,166 km (0.096 R)
• M28: 23,883,599 km (0.094 R)
• M29: 26,332,217 km (0.111 R)
• M30: 28,152,374 km (0.104 R)
• M31: 40,866,249 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.7

Radius: 6.1

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 7.6 AU - 10.62 AU

Year: 18336 Days

Day: 17.7 Hours

Environment

Temp: -244 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,651,039 km

• M1: 76,295 km (0.069 R)
• M2: 316,549 km (0.072 R)
• M3: 736,321 km (0.074 R)
• M4: 1,084,136 km (0.106 R)
• M5: 1,382,434 km (0.102 R)
• M6: 1,847,982 km (0.107 R)
• M7: 2,054,128 km (0.108 R)
• M8: 2,412,565 km (0.062 R)
• M9: 2,638,458 km (0.09 R)
• M10: 3,661,258 km (0.094 R)
• M11: 4,335,496 km (0.074 R)
• M12: 4,670,745 km (0.1 R)
• M13: 5,567,434 km (0.101 R)
• M14: 7,016,739 km (0.101 R)
• M15: 8,142,612 km (0.087 R)
• M16: 8,653,339 km (0.08 R)
• M17: 10,207,960 km (0.102 R)
• M18: 12,598,833 km (0.112 R)
• M19: 12,906,257 km (0.078 R)
• M20: 13,728,896 km (0.082 R)
• M21: 16,261,588 km (0.069 R)
• M22: 21,175,579 km (0.098 R)
• M23: 21,522,795 km (0.049 R)
• M24: 21,962,314 km (0.069 R)
• M25: 23,224,621 km (0.086 R)
• M26: 23,780,227 km (0.109 R)
• M27: 27,301,163 km (0.103 R)
• M28: 29,832,209 km (0.116 R)
• M29: 46,446,399 km (0.071 R)
• M30: 51,276,166 km (0.07 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 14,375 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit