🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.7

Radius: 11.7

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.62 AU - 0.96 AU

Year: 485 Days

Day: 5.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 141.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,332,886 km

• M1: 145,708 km (0.095 R)
• M2: 522,396 km (0.103 R)
• M3: 915,689 km (0.116 R)
• M4: 1,383,631 km (0.077 R)
• M5: 2,010,895 km (0.089 R)
• M6: 2,987,320 km (0.077 R)
• M7: 3,352,787 km (0.09 R)
• M8: 4,042,284 km (0.095 R)
• M9: 4,491,526 km (0.083 R)
• M10: 4,868,812 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.4

Radius: 10.8

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.87 AU - 1.29 AU

Year: 775 Days

Day: 14.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,332,886 km

• M1: 134,488 km (0.073 R)
• M2: 478,264 km (0.039 R)
• M3: 1,037,162 km (0.115 R)
• M4: 1,470,996 km (0.077 R)
• M5: 1,847,235 km (0.095 R)
• M6: 2,215,245 km (0.112 R)
• M7: 2,586,248 km (0.101 R)
• M8: 2,960,691 km (0.025 R)
• M9: 3,865,609 km (0.119 R)
• M10: 4,407,752 km (0.114 R)
• M11: 4,820,492 km (0.092 R)
• M12: 5,565,938 km (0.061 R)
• M13: 6,174,203 km (0.05 R)
• M14: 6,692,261 km (0.058 R)
• M15: 7,145,991 km (0.063 R)
• M16: 7,815,591 km (0.098 R)
• M17: 8,344,868 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.2

Radius: 11.3

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.17 AU - 1.75 AU

Year: 1218 Days

Day: 13 Hours

Environment

Temp: -190 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,332,886 km

• M1: 140,472 km (0.116 R)
• M2: 562,338 km (0.12 R)
• M3: 924,216 km (0.093 R)
• M4: 1,304,643 km (0.111 R)
• M5: 1,938,340 km (0.085 R)
• M6: 2,337,168 km (0.098 R)
• M7: 3,569,405 km (0.034 R)
• M8: 3,921,858 km (0.099 R)
• M9: 4,814,059 km (0.093 R)
• M10: 5,335,558 km (0.076 R)
• M11: 6,955,403 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.6

Radius: 14.1

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.34 AU - 1.76 AU

Year: 1332 Days

Day: 10.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,332,886 km

• M1: 175,329 km (0.109 R)
• M2: 1,145,770 km (0.046 R)
• M3: 1,690,007 km (0.118 R)
• M4: 2,243,818 km (0.093 R)
• M5: 3,725,585 km (0.087 R)
• M6: 4,593,403 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.9

Radius: 12.3

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.77 AU - 2.49 AU

Year: 2146 Days

Day: 14.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,332,886 km

• M1: 153,039 km (0.096 R)
• M2: 559,496 km (0.102 R)
• M3: 1,059,452 km (0.076 R)
• M4: 1,713,195 km (0.12 R)
• M5: 2,360,206 km (0.04 R)
• M6: 2,834,580 km (0.116 R)
• M7: 3,454,813 km (0.036 R)
• M8: 4,051,709 km (0.106 R)
• M9: 4,634,692 km (0.086 R)
• M10: 5,184,613 km (0.104 R)
• M11: 5,730,496 km (0.032 R)
• M12: 6,115,561 km (0.073 R)
• M13: 6,778,579 km (0.09 R)
• M14: 7,237,395 km (0.103 R)
• M15: 8,038,791 km (0.109 R)
• M16: 11,427,931 km (0.058 R)
• M17: 13,041,942 km (0.114 R)
• M18: 13,541,898 km (0.041 R)
• M19: 15,255,841 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.2

Radius: 11.7

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.23 AU - 4.85 AU

Year: 5605 Days

Day: 11.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,332,886 km

• M1: 148,700 km (0.093 R)
• M2: 856,897 km (0.072 R)
• M3: 1,290,880 km (0.113 R)
• M4: 1,818,213 km (0.088 R)
• M5: 2,713,705 km (0.089 R)
• M6: 3,723,042 km (0.064 R)
• M7: 4,094,494 km (0.061 R)
• M8: 4,490,778 km (0.074 R)
• M9: 4,858,490 km (0.104 R)
• M10: 5,332,267 km (0.099 R)
• M11: 6,839,016 km (0.092 R)
• M12: 7,327,753 km (0.118 R)
• M13: 9,563,044 km (0.086 R)
• M14: 9,997,626 km (0.089 R)
• M15: 10,582,254 km (0.103 R)
• M16: 12,119,073 km (0.076 R)
• M17: 12,784,036 km (0.114 R)
• M18: 13,527,387 km (0.11 R)
• M19: 15,810,251 km (0.118 R)
• M20: 17,748,142 km (0.083 R)
• M21: 18,206,659 km (0.117 R)
• M22: 22,392,557 km (0.064 R)
• M23: 24,105,004 km (0.109 R)
• M24: 24,749,023 km (0.077 R)
• M25: 25,321,833 km (0.102 R)
• M26: 29,949,643 km (0.093 R)
• M27: 32,706,433 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.3

Radius: 3.7

Gravity: 43.7 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.99 AU - 11.33 AU

Year: 22354 Days

Day: 17.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,332,886 km

• M1: 53,107 km (0.104 R)
• M2: 444,306 km (0.084 R)
• M3: 617,690 km (0.099 R)
• M4: 781,499 km (0.096 R)
• M5: 1,049,130 km (0.032 R)
• M6: 1,183,319 km (0.056 R)
• M7: 1,470,098 km (0.069 R)
• M8: 2,659,701 km (0.098 R)
• M9: 3,015,743 km (0.107 R)
• M10: 3,232,810 km (0.103 R)
• M11: 6,227,011 km (0.03 R)
• M12: 8,867,264 km (0.097 R)
• M13: 12,718,961 km (0.066 R)
• M14: 20,761,492 km (0.102 R)
• M15: 22,861,547 km (0.114 R)
• M16: 24,989,128 km (0.103 R)
• M17: 30,500,911 km (0.096 R)
• M18: 43,053,220 km (0.083 R)
• M19: 45,296,590 km (0.113 R)
• M20: 55,422,122 km (0.099 R)
• M21: 71,275,606 km (0.106 R)
• M22: 78,332,886 km (0.115 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 15,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit