🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88

Radius: 8.2

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.52 AU - 0.72 AU

Year: 343 Days

Day: 6.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 79,626,522 km

• M1: 116,986 km (0.119 R)
• M2: 395,836 km (0.08 R)
• M3: 661,223 km (0.097 R)
• M4: 1,178,382 km (0.116 R)
• M5: 1,488,948 km (0.111 R)
• M6: 2,326,097 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19

Radius: 14.5

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.83 AU - 0.93 AU

Year: 580 Days

Day: 12 Hours

Environment

Temp: -163 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 79,626,522 km

• M1: 180,415 km (0.071 R)
• M2: 758,910 km (0.072 R)
• M3: 1,304,344 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.5

Radius: 12.9

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.11 AU - 2.47 AU

Year: 2436 Days

Day: 11.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,626,522 km

• M1: 160,369 km (0.066 R)
• M2: 988,543 km (0.089 R)
• M3: 1,624,932 km (0.04 R)
• M4: 2,368,284 km (0.076 R)
• M5: 2,922,843 km (0.118 R)
• M6: 3,771,362 km (0.076 R)
• M7: 4,212,227 km (0.053 R)
• M8: 4,755,118 km (0.061 R)
• M9: 5,798,713 km (0.082 R)
• M10: 6,361,350 km (0.12 R)
• M11: 6,814,183 km (0.114 R)
• M12: 8,742,500 km (0.113 R)
• M13: 9,375,299 km (0.097 R)
• M14: 10,654,211 km (0.117 R)
• M15: 14,118,149 km (0.089 R)
• M16: 15,693,116 km (0.11 R)
• M17: 16,156,570 km (0.06 R)
• M18: 16,629,000 km (0.088 R)
• M19: 17,056,700 km (0.098 R)
• M20: 18,726,661 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.6

Radius: 12.7

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.04 AU - 2.92 AU

Year: 2745 Days

Day: 11.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,626,522 km

• M1: 157,975 km (0.056 R)
• M2: 577,747 km (0.05 R)
• M3: 973,433 km (0.098 R)
• M4: 1,388,717 km (0.051 R)
• M5: 1,788,592 km (0.09 R)
• M6: 2,537,329 km (0.054 R)
• M7: 2,964,731 km (0.064 R)
• M8: 3,689,083 km (0.116 R)
• M9: 4,602,528 km (0.035 R)
• M10: 6,010,992 km (0.04 R)
• M11: 7,073,586 km (0.117 R)
• M12: 7,584,313 km (0.025 R)
• M13: 8,119,724 km (0.074 R)
• M14: 9,028,830 km (0.054 R)
• M15: 10,291,286 km (0.116 R)
• M16: 11,986,380 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493

Radius: 9.4

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.15 AU - 2.87 AU

Year: 2795 Days

Day: 8.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,626,522 km

• M1: 116,836 km (0.108 R)
• M2: 480,060 km (0.108 R)
• M3: 840,441 km (0.074 R)
• M4: 1,311,225 km (0.087 R)
• M5: 2,623,797 km (0.064 R)
• M6: 3,054,489 km (0.058 R)
• M7: 3,355,779 km (0.061 R)
• M8: 3,714,066 km (0.097 R)
• M9: 4,382,021 km (0.102 R)
• M10: 4,967,846 km (0.111 R)
• M11: 5,362,784 km (0.117 R)
• M12: 8,512,268 km (0.111 R)
• M13: 8,876,390 km (0.115 R)
• M14: 9,181,869 km (0.047 R)
• M15: 9,814,069 km (0.073 R)
• M16: 10,362,944 km (0.062 R)
• M17: 12,679,317 km (0.103 R)
• M18: 17,768,337 km (0.111 R)
• M19: 18,091,618 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.8

Radius: 10.8

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.72 AU - 5.5 AU

Year: 6958 Days

Day: 8.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,626,522 km

• M1: 134,339 km (0.118 R)
• M2: 473,926 km (0.105 R)
• M3: 933,192 km (0.07 R)
• M4: 2,017,178 km (0.104 R)
• M5: 3,016,940 km (0.063 R)
• M6: 4,027,773 km (0.068 R)
• M7: 4,457,119 km (0.086 R)
• M8: 5,220,068 km (0.096 R)
• M9: 5,665,720 km (0.065 R)
• M10: 8,895,688 km (0.064 R)
• M11: 9,911,009 km (0.117 R)
• M12: 11,736,701 km (0.065 R)
• M13: 12,392,239 km (0.102 R)
• M14: 13,362,531 km (0.076 R)
• M15: 14,630,223 km (0.108 R)
• M16: 16,713,523 km (0.112 R)
• M17: 19,511,153 km (0.113 R)
• M18: 20,431,329 km (0.076 R)
• M19: 25,742,652 km (0.068 R)
• M20: 31,178,889 km (0.049 R)
• M21: 33,726,391 km (0.085 R)
• M22: 36,409,579 km (0.08 R)
• M23: 38,871,511 km (0.112 R)
• M24: 40,081,907 km (0.088 R)
• M25: 41,944,401 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.3

Radius: 4.5

Gravity: 31.67 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 9.37 AU - 10.57 AU

Year: 22128 Days

Day: 19.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,626,522 km

• M1: 56,997 km (0.111 R)
• M2: 219,011 km (0.085 R)
• M3: 568,023 km (0.099 R)
• M4: 824,883 km (0.093 R)
• M5: 2,863,752 km (0.106 R)
• M6: 5,034,716 km (0.07 R)
• M7: 5,341,841 km (0.072 R)
• M8: 5,620,691 km (0.107 R)
• M9: 5,784,351 km (0.111 R)
• M10: 5,993,339 km (0.091 R)
• M11: 6,294,480 km (0.102 R)
• M12: 7,020,628 km (0.092 R)
• M13: 8,637,631 km (0.096 R)
• M14: 11,244,225 km (0.119 R)
• M15: 11,969,326 km (0.073 R)
• M16: 14,104,835 km (0.095 R)
• M17: 15,183,137 km (0.065 R)
• M18: 15,742,334 km (0.096 R)
• M19: 16,150,137 km (0.035 R)
• M20: 16,481,347 km (0.113 R)
• M21: 18,655,154 km (0.104 R)
• M22: 19,111,726 km (0.068 R)
• M23: 21,606,869 km (0.118 R)
• M24: 29,019,145 km (0.089 R)
• M25: 31,909,226 km (0.025 R)
• M26: 34,985,556 km (0.045 R)
• M27: 41,256,101 km (0.104 R)
• M28: 49,094,880 km (0.066 R)
• M29: 51,376,846 km (0.082 R)
• M30: 51,733,936 km (0.025 R)
• M31: 52,634,365 km (0.084 R)
• M32: 53,728,374 km (0.087 R)
• M33: 60,215,985 km (0.045 R)
• M34: 60,414,202 km (0.064 R)
• M35: 60,613,018 km (0.091 R)
• M36: 64,888,525 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 12,717 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit