🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.7

Radius: 14.4

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.48 AU - 0.6 AU

Year: 274 Days

Day: 9.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 12,208,893 km

• M1: 179,069 km (0.118 R)
• M2: 681,717 km (0.099 R)
• M3: 1,154,746 km (0.081 R)
• M4: 1,605,634 km (0.116 R)
• M5: 2,391,920 km (0.119 R)
• M6: 2,998,839 km (0.104 R)
• M7: 3,607,852 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.5

Radius: 12.4

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.6 AU - 0.68 AU

Year: 353 Days

Day: 12.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 12,208,893 km

• M1: 154,235 km (0.097 R)
• M2: 586,872 km (0.097 R)
• M3: 1,118,244 km (0.119 R)
• M4: 1,534,276 km (0.104 R)
• M5: 1,928,317 km (0.065 R)
• M6: 2,319,066 km (0.056 R)
• M7: 2,854,926 km (0.073 R)
• M8: 3,390,636 km (0.06 R)
• M9: 4,812,115 km (0.113 R)
• M10: 5,349,021 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.9

Radius: 14.7

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.75 AU - 0.75 AU

Year: 448 Days

Day: 11.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 12,208,893 km

• M1: 182,958 km (0.071 R)
• M2: 640,428 km (0.026 R)
• M3: 1,221,915 km (0.042 R)
• M4: 1,736,532 km (0.117 R)
• M5: 2,291,690 km (0.087 R)
• M6: 3,130,335 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.8

Radius: 8.8

Gravity: 10.12 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.79 AU - 0.93 AU

Year: 551 Days

Day: 10.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 12,208,893 km

• M1: 109,506 km (0.094 R)
• M2: 395,238 km (0.052 R)
• M3: 673,639 km (0.103 R)
• M4: 1,051,823 km (0.07 R)
• M5: 1,584,541 km (0.059 R)
• M6: 2,210,907 km (0.096 R)
• M7: 2,570,989 km (0.101 R)
• M8: 3,474,411 km (0.085 R)
• M9: 4,344,771 km (0.061 R)
• M10: 4,654,439 km (0.042 R)
• M11: 5,079,297 km (0.065 R)
• M12: 5,529,736 km (0.108 R)
• M13: 6,938,349 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464

Radius: 14.2

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.83 AU - 1.29 AU

Year: 753 Days

Day: 13.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,208,893 km

• M1: 177,124 km (0.09 R)
• M2: 727,644 km (0.058 R)
• M3: 1,383,182 km (0.094 R)
• M4: 1,890,468 km (0.09 R)
• M5: 2,595,673 km (0.071 R)
• M6: 3,344,560 km (0.103 R)
• M7: 3,860,672 km (0.104 R)
• M8: 4,475,819 km (0.09 R)
• M9: 5,362,784 km (0.094 R)
• M10: 5,941,878 km (0.108 R)
• M11: 7,035,139 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.8

Radius: 10.1

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.07 AU - 1.77 AU

Year: 1168 Days

Day: 14.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 12,208,893 km

• M1: 125,662 km (0.111 R)
• M2: 588,368 km (0.101 R)
• M3: 1,080,695 km (0.093 R)
• M4: 1,603,540 km (0.099 R)
• M5: 2,123,691 km (0.109 R)
• M6: 2,964,132 km (0.027 R)
• M7: 3,418,611 km (0.08 R)
• M8: 4,656,234 km (0.081 R)
• M9: 5,159,930 km (0.025 R)
• M10: 5,502,658 km (0.099 R)
• M11: 6,212,800 km (0.107 R)
• M12: 7,570,999 km (0.111 R)
• M13: 7,989,573 km (0.114 R)
• M14: 8,397,676 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.1

Radius: 8.6

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.36 AU - 1.64 AU

Year: 1268 Days

Day: 5.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 12,208,893 km

• M1: 106,962 km (0.083 R)
• M2: 1,094,159 km (0.114 R)
• M3: 1,998,179 km (0.049 R)
• M4: 2,696,053 km (0.074 R)
• M5: 4,156,876 km (0.094 R)
• M6: 4,766,637 km (0.035 R)
• M7: 5,271,081 km (0.079 R)
• M8: 6,678,049 km (0.051 R)
• M9: 6,978,292 km (0.057 R)
• M10: 7,698,755 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.9

Radius: 14.6

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.27 AU - 1.87 AU

Year: 1358 Days

Day: 12.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 12,208,893 km

• M1: 181,612 km (0.069 R)
• M2: 684,111 km (0.102 R)
• M3: 1,329,476 km (0.051 R)
• M4: 1,941,930 km (0.094 R)
• M5: 3,075,882 km (0.095 R)
• M6: 3,576,885 km (0.061 R)
• M7: 4,167,049 km (0.085 R)
• M8: 4,633,495 km (0.047 R)
• M9: 5,134,797 km (0.057 R)
• M10: 5,801,854 km (0.078 R)
• M11: 6,270,544 km (0.094 R)
• M12: 6,788,751 km (0.116 R)
• M13: 7,310,250 km (0.09 R)
• M14: 8,128,999 km (0.045 R)
• M15: 9,334,907 km (0.119 R)
• M16: 10,756,237 km (0.038 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 15,045 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit