🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.7

Radius: 8.7

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.02 AU - 1.1 AU

Year: 767 Days

Day: 9.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 12,773,268 km

• M1: 108,159 km (0.051 R)
• M2: 457,021 km (0.118 R)
• M3: 1,457,233 km (0.071 R)
• M4: 1,926,222 km (0.093 R)
• M5: 2,735,397 km (0.074 R)
• M6: 3,523,329 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.5

Radius: 11.2

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.07 AU - 1.31 AU

Year: 912 Days

Day: 13.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 86.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,773,268 km

• M1: 139,276 km (0.074 R)
• M2: 520,451 km (0.101 R)
• M3: 1,266,795 km (0.03 R)
• M4: 1,875,658 km (0.109 R)
• M5: 2,346,891 km (0.074 R)
• M6: 3,834,044 km (0.08 R)
• M7: 4,494,369 km (0.118 R)
• M8: 4,944,509 km (0.108 R)
• M9: 7,715,061 km (0.054 R)
• M10: 9,130,556 km (0.089 R)
• M11: 9,884,979 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.2

Radius: 11

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.01 AU - 1.43 AU

Year: 947 Days

Day: 14.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 12,773,268 km

• M1: 137,480 km (0.101 R)
• M2: 695,630 km (0.08 R)
• M3: 1,174,792 km (0.06 R)
• M4: 2,066,246 km (0.112 R)
• M5: 2,733,153 km (0.101 R)
• M6: 3,538,289 km (0.079 R)
• M7: 3,910,937 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.4

Radius: 8.7

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.72 AU - 1.74 AU

Year: 1599 Days

Day: 5.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 12,773,268 km

• M1: 108,907 km (0.103 R)
• M2: 454,030 km (0.094 R)
• M3: 747,092 km (0.071 R)
• M4: 1,098,946 km (0.031 R)
• M5: 1,462,319 km (0.059 R)
• M6: 1,761,665 km (0.073 R)
• M7: 2,045,900 km (0.053 R)
• M8: 2,486,167 km (0.111 R)
• M9: 2,818,424 km (0.114 R)
• M10: 3,120,312 km (0.109 R)
• M11: 3,892,985 km (0.054 R)
• M12: 5,261,956 km (0.109 R)
• M13: 6,020,417 km (0.109 R)
• M14: 6,377,507 km (0.072 R)
• M15: 7,055,784 km (0.097 R)
• M16: 8,034,004 km (0.101 R)
• M17: 9,828,730 km (0.079 R)
• M18: 10,664,234 km (0.099 R)
• M19: 12,438,315 km (0.043 R)
• M20: 12,784,335 km (0.107 R)
• M21: 13,295,511 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.4

Radius: 9.2

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.71 AU - 1.85 AU

Year: 1669 Days

Day: 12.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 12,773,268 km

• M1: 114,592 km (0.075 R)
• M2: 411,693 km (0.111 R)
• M3: 715,975 km (0.081 R)
• M4: 1,125,126 km (0.119 R)
• M5: 1,728,005 km (0.103 R)
• M6: 2,260,873 km (0.102 R)
• M7: 2,782,969 km (0.115 R)
• M8: 3,190,175 km (0.101 R)
• M9: 4,277,452 km (0.03 R)
• M10: 5,143,474 km (0.07 R)
• M11: 7,584,462 km (0.032 R)
• M12: 12,257,302 km (0.066 R)
• M13: 14,427,518 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571

Radius: 8.3

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.79 AU - 2.15 AU

Year: 1944 Days

Day: 11 Hours

Environment

Temp: -209 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 12,773,268 km

• M1: 103,223 km (0.079 R)
• M2: 364,420 km (0.109 R)
• M3: 1,915,451 km (0.111 R)
• M4: 2,496,788 km (0.07 R)
• M5: 2,931,370 km (0.072 R)
• M6: 4,484,346 km (0.105 R)
• M7: 5,193,589 km (0.104 R)
• M8: 5,506,548 km (0.089 R)
• M9: 5,808,287 km (0.049 R)
• M10: 6,219,681 km (0.107 R)
• M11: 7,858,077 km (0.045 R)
• M12: 9,205,655 km (0.091 R)
• M13: 10,278,122 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.7

Radius: 8.7

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.88 AU - 2.1 AU

Year: 1973 Days

Day: 10.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 12,773,268 km

• M1: 110,254 km (0.101 R)
• M2: 665,112 km (0.119 R)
• M3: 953,836 km (0.082 R)
• M4: 1,462,618 km (0.032 R)
• M5: 2,542,416 km (0.118 R)
• M6: 2,948,125 km (0.115 R)
• M7: 3,475,607 km (0.081 R)
• M8: 3,804,573 km (0.051 R)
• M9: 4,100,328 km (0.062 R)
• M10: 4,738,363 km (0.054 R)
• M11: 5,227,548 km (0.09 R)
• M12: 5,616,203 km (0.062 R)
• M13: 6,524,711 km (0.1 R)
• M14: 7,104,702 km (0.037 R)
• M15: 7,555,141 km (0.085 R)
• M16: 8,719,910 km (0.061 R)
• M17: 9,143,871 km (0.104 R)
• M18: 10,465,119 km (0.075 R)
• M19: 11,153,718 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15.1

Radius: 6.8

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.99 AU - 6.17 AU

Year: 9265 Days

Day: 22.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 12,773,268 km

• M1: 84,672 km (0.072 R)
• M2: 587,770 km (0.096 R)
• M3: 2,138,651 km (0.099 R)
• M4: 3,521,235 km (0.057 R)
• M5: 5,205,557 km (0.08 R)
• M6: 10,894,914 km (0.111 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 10,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit