🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.5

Radius: 14.4

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.47 AU - 0.67 AU

Year: 292 Days

Day: 7.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 33,934,058 km

• M1: 207,941 km (0.093 R)
• M2: 695,181 km (0.066 R)
• M3: 1,379,741 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.5

Radius: 11.7

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.64 AU - 0.72 AU

Year: 380 Days

Day: 6.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,934,058 km

• M1: 146,157 km (0.046 R)
• M2: 533,616 km (0.091 R)
• M3: 943,065 km (0.098 R)
• M4: 1,340,247 km (0.094 R)
• M5: 1,717,533 km (0.032 R)
• M6: 2,099,307 km (0.087 R)
• M7: 3,307,160 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.3

Radius: 12.6

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.01 AU - 1.23 AU

Year: 804 Days

Day: 6.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,934,058 km

• M1: 156,629 km (0.076 R)
• M2: 661,821 km (0.118 R)
• M3: 1,157,289 km (0.111 R)
• M4: 2,043,806 km (0.118 R)
• M5: 3,139,910 km (0.047 R)
• M6: 4,057,393 km (0.107 R)
• M7: 4,655,336 km (0.117 R)
• M8: 5,211,840 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.9

Radius: 13.2

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.34 AU - 1.48 AU

Year: 1136 Days

Day: 11.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,934,058 km

• M1: 164,109 km (0.044 R)
• M2: 593,006 km (0.111 R)
• M3: 1,024,596 km (0.054 R)
• M4: 1,440,478 km (0.054 R)
• M5: 2,418,250 km (0.11 R)
• M6: 3,151,728 km (0.035 R)
• M7: 5,739,023 km (0.095 R)
• M8: 6,154,756 km (0.118 R)
• M9: 7,145,991 km (0.084 R)
• M10: 7,706,385 km (0.081 R)
• M11: 8,800,544 km (0.101 R)
• M12: 9,236,621 km (0.109 R)
• M13: 9,933,448 km (0.053 R)
• M14: 10,828,791 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.9

Radius: 9.9

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.89 AU - 2.25 AU

Year: 2020 Days

Day: 5.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,934,058 km

• M1: 123,119 km (0.052 R)
• M2: 633,248 km (0.114 R)
• M3: 1,044,193 km (0.053 R)
• M4: 1,540,559 km (0.117 R)
• M5: 2,066,395 km (0.08 R)
• M6: 2,519,079 km (0.065 R)
• M7: 2,831,738 km (0.095 R)
• M8: 3,639,716 km (0.099 R)
• M9: 4,269,972 km (0.106 R)
• M10: 4,989,987 km (0.101 R)
• M11: 5,311,323 km (0.101 R)
• M12: 6,647,980 km (0.078 R)
• M13: 7,179,351 km (0.08 R)
• M14: 8,274,557 km (0.088 R)
• M15: 9,563,792 km (0.091 R)

Asteroid Belt

Center: 2.52 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.6

Radius: 10.5

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.34 AU - 3.58 AU

Year: 3454 Days

Day: 13.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,934,058 km

• M1: 131,197 km (0.086 R)
• M2: 469,139 km (0.102 R)
• M3: 885,769 km (0.115 R)
• M4: 1,395,748 km (0.111 R)
• M5: 2,197,593 km (0.095 R)
• M6: 2,671,818 km (0.109 R)
• M7: 3,713,618 km (0.109 R)
• M8: 4,264,886 km (0.095 R)
• M9: 4,847,569 km (0.059 R)
• M10: 5,884,283 km (0.052 R)
• M11: 8,261,991 km (0.056 R)
• M12: 9,098,991 km (0.11 R)
• M13: 9,736,129 km (0.054 R)
• M14: 10,631,322 km (0.099 R)
• M15: 12,159,913 km (0.072 R)
• M16: 12,499,500 km (0.098 R)
• M17: 13,692,843 km (0.088 R)
• M18: 14,482,271 km (0.111 R)
• M19: 16,356,283 km (0.107 R)
• M20: 16,718,460 km (0.087 R)
• M21: 18,834,821 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.1

Radius: 13.5

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.7 AU - 6.02 AU

Year: 8417 Days

Day: 6 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,934,058 km

• M1: 167,849 km (0.103 R)
• M2: 628,909 km (0.109 R)
• M3: 1,295,218 km (0.042 R)
• M4: 1,769,743 km (0.077 R)
• M5: 2,741,680 km (0.043 R)
• M6: 4,620,779 km (0.068 R)
• M7: 5,940,382 km (0.089 R)
• M8: 7,388,639 km (0.096 R)
• M9: 7,945,741 km (0.077 R)
• M10: 9,613,159 km (0.08 R)
• M11: 14,642,191 km (0.107 R)
• M12: 15,703,737 km (0.066 R)
• M13: 19,266,411 km (0.114 R)
• M14: 21,495,568 km (0.099 R)
• M15: 22,097,700 km (0.106 R)
• M16: 24,701,451 km (0.098 R)
• M17: 27,065,995 km (0.066 R)
• M18: 27,679,944 km (0.027 R)
• M19: 30,605,630 km (0.052 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: 245 - 16,872 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit