🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.9

Radius: 8.9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.56 AU - 0.76 AU

Year: 364 Days

Day: 11.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,407,891 km

• M1: 110,702 km (0.108 R)
• M2: 461,210 km (0.056 R)
• M3: 804,986 km (0.086 R)
• M4: 1,220,719 km (0.096 R)
• M5: 1,560,306 km (0.096 R)
• M6: 1,894,507 km (0.114 R)
• M7: 2,208,364 km (0.07 R)
• M8: 2,515,339 km (0.088 R)
• M9: 2,869,138 km (0.119 R)
• M10: 3,385,699 km (0.114 R)
• M11: 3,677,265 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997

Radius: 13

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.88 AU - 2.26 AU

Year: 2020 Days

Day: 6.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,407,891 km

• M1: 166,502 km (0.108 R)
• M2: 769,232 km (0.069 R)
• M3: 1,506,002 km (0.067 R)
• M4: 2,316,224 km (0.118 R)
• M5: 3,113,580 km (0.071 R)
• M6: 3,559,083 km (0.12 R)
• M7: 4,008,176 km (0.119 R)
• M8: 6,466,368 km (0.038 R)
• M9: 8,108,803 km (0.052 R)
• M10: 8,824,928 km (0.083 R)
• M11: 9,547,486 km (0.075 R)
• M12: 13,542,198 km (0.102 R)
• M13: 14,692,456 km (0.075 R)
• M14: 15,413,218 km (0.104 R)
• M15: 15,856,926 km (0.042 R)
• M16: 18,590,079 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.6

Radius: 12.6

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.21 AU - 2.99 AU

Year: 2843 Days

Day: 9.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,407,891 km

• M1: 167,101 km (0.047 R)
• M2: 662,270 km (0.049 R)
• M3: 1,497,774 km (0.079 R)
• M4: 2,097,362 km (0.06 R)
• M5: 2,660,598 km (0.119 R)
• M6: 3,434,618 km (0.051 R)
• M7: 4,093,746 km (0.087 R)
• M8: 5,745,605 km (0.045 R)
• M9: 8,207,986 km (0.116 R)
• M10: 11,517,839 km (0.113 R)
• M11: 13,183,462 km (0.109 R)
• M12: 15,055,829 km (0.065 R)
• M13: 16,489,874 km (0.032 R)
• M14: 18,071,423 km (0.059 R)
• M15: 19,140,000 km (0.097 R)
• M16: 22,396,896 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.9

Radius: 14.8

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.15 AU - 3.15 AU

Year: 2926 Days

Day: 6.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,407,891 km

• M1: 187,297 km (0.106 R)
• M2: 659,128 km (0.075 R)
• M3: 1,167,911 km (0.101 R)
• M4: 1,867,879 km (0.111 R)
• M5: 2,371,126 km (0.119 R)
• M6: 3,845,413 km (0.076 R)
• M7: 4,403,713 km (0.077 R)
• M8: 5,752,637 km (0.066 R)
• M9: 7,308,454 km (0.071 R)
• M10: 9,255,171 km (0.092 R)
• M11: 10,264,658 km (0.108 R)
• M12: 11,024,765 km (0.06 R)
• M13: 13,010,527 km (0.057 R)
• M14: 13,572,865 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.6

Radius: 14.2

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.19 AU - 3.85 AU

Year: 4479 Days

Day: 11.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,407,891 km

• M1: 176,825 km (0.053 R)
• M2: 645,515 km (0.1 R)
• M3: 1,633,758 km (0.055 R)
• M4: 2,097,362 km (0.097 R)
• M5: 2,556,628 km (0.09 R)
• M6: 3,784,078 km (0.106 R)
• M7: 4,496,463 km (0.112 R)
• M8: 4,970,688 km (0.094 R)
• M9: 6,021,015 km (0.119 R)
• M10: 6,539,821 km (0.104 R)
• M11: 7,119,811 km (0.104 R)
• M12: 8,739,657 km (0.081 R)
• M13: 9,559,304 km (0.054 R)
• M14: 11,095,524 km (0.098 R)
• M15: 12,012,260 km (0.068 R)
• M16: 13,073,657 km (0.101 R)
• M17: 14,911,168 km (0.08 R)
• M18: 16,523,085 km (0.074 R)
• M19: 18,248,397 km (0.072 R)
• M20: 19,463,581 km (0.091 R)
• M21: 20,027,714 km (0.115 R)
• M22: 20,861,872 km (0.049 R)
• M23: 22,944,573 km (0.117 R)

Asteroid Belt

Center: 3.98 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.4

Radius: 11.6

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.17 AU - 4.69 AU

Year: 6324 Days

Day: 14.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,407,891 km

• M1: 144,212 km (0.067 R)
• M2: 509,830 km (0.113 R)
• M3: 1,795,324 km (0.05 R)
• M4: 3,013,649 km (0.114 R)
• M5: 3,930,534 km (0.101 R)
• M6: 4,813,311 km (0.078 R)
• M7: 5,823,696 km (0.098 R)
• M8: 6,425,378 km (0.097 R)
• M9: 7,753,209 km (0.04 R)
• M10: 8,454,224 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.7

Radius: 5

Gravity: 12.91 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.89 AU - 6.43 AU

Year: 9133 Days

Day: 15.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,407,891 km

• M1: 62,233 km (0.12 R)
• M2: 234,420 km (0.077 R)
• M3: 466,745 km (0.084 R)
• M4: 767,437 km (0.116 R)
• M5: 2,077,765 km (0.116 R)
• M6: 3,067,953 km (0.107 R)
• M7: 3,518,093 km (0.069 R)
• M8: 7,632,184 km (0.053 R)
• M9: 12,980,308 km (0.11 R)
• M10: 16,249,770 km (0.092 R)
• M11: 17,341,385 km (0.111 R)
• M12: 18,687,317 km (0.064 R)
• M13: 22,587,782 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.1

Radius: 6.4

Gravity: 18.26 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.11 AU - 9.53 AU

Year: 17766 Days

Day: 23.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,407,891 km

• M1: 79,736 km (0.117 R)
• M2: 354,248 km (0.112 R)
• M3: 818,600 km (0.106 R)
• M4: 1,054,665 km (0.091 R)
• M5: 1,307,336 km (0.096 R)
• M6: 2,539,573 km (0.091 R)
• M7: 4,436,325 km (0.032 R)
• M8: 5,211,840 km (0.113 R)
• M9: 6,410,418 km (0.041 R)
• M10: 7,165,738 km (0.096 R)
• M11: 7,636,971 km (0.096 R)
• M12: 7,978,952 km (0.066 R)
• M13: 13,973,788 km (0.114 R)
• M14: 17,068,369 km (0.104 R)
• M15: 17,993,333 km (0.058 R)
• M16: 18,337,857 km (0.118 R)
• M17: 18,951,357 km (0.059 R)
• M18: 21,349,860 km (0.095 R)
• M19: 22,225,157 km (0.108 R)
• M20: 26,851,621 km (0.112 R)
• M21: 27,871,130 km (0.119 R)
• M22: 28,916,072 km (0.11 R)
• M23: 30,715,285 km (0.11 R)
• M24: 44,655,114 km (0.105 R)
• M25: 46,729,288 km (0.103 R)
• M26: 48,866,892 km (0.112 R)
• M27: 50,384,413 km (0.105 R)
• M28: 59,771,680 km (0.063 R)
• M29: 61,312,089 km (0.113 R)
• M30: 63,871,260 km (0.092 R)
• M31: 65,887,689 km (0.111 R)
• M32: 72,191,145 km (0.105 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 11,962 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit