🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.5

Radius: 11.3

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.47 AU - 0.63 AU

Year: 272 Days

Day: 6.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,650,479 km

• M1: 140,472 km (0.025 R)
• M2: 496,366 km (0.09 R)
• M3: 918,980 km (0.115 R)
• M4: 1,318,855 km (0.119 R)
• M5: 1,798,615 km (0.054 R)
• M6: 2,162,288 km (0.081 R)
• M7: 2,725,075 km (0.065 R)
• M8: 3,305,664 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.5

Radius: 10.7

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.43 AU - 0.67 AU

Year: 272 Days

Day: 9.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,650,479 km

• M1: 133,142 km (0.11 R)
• M2: 544,087 km (0.094 R)
• M3: 946,805 km (0.052 R)
• M4: 1,302,698 km (0.116 R)
• M5: 1,869,824 km (0.08 R)
• M6: 3,173,719 km (0.117 R)
• M7: 3,533,502 km (0.098 R)
• M8: 4,752,724 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.4

Radius: 13

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.76 AU - 0.96 AU

Year: 532 Days

Day: 6.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,650,479 km

• M1: 161,715 km (0.106 R)
• M2: 586,274 km (0.076 R)
• M3: 1,166,265 km (0.082 R)
• M4: 1,572,722 km (0.078 R)
• M5: 2,031,838 km (0.112 R)
• M6: 2,874,972 km (0.102 R)
• M7: 4,039,292 km (0.117 R)
• M8: 5,461,070 km (0.119 R)
• M9: 5,933,800 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.3

Radius: 14.6

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.79 AU - 1.13 AU

Year: 627 Days

Day: 13.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,650,479 km

• M1: 181,612 km (0.09 R)
• M2: 846,275 km (0.095 R)
• M3: 1,642,734 km (0.061 R)
• M4: 2,671,668 km (0.078 R)
• M5: 3,381,660 km (0.079 R)
• M6: 4,023,435 km (0.111 R)
• M7: 4,697,373 km (0.108 R)
• M8: 5,905,675 km (0.084 R)
• M9: 6,411,615 km (0.054 R)
• M10: 6,988,913 km (0.058 R)
• M11: 7,668,387 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.2

Radius: 8

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.94 AU - 1.04 AU

Year: 657 Days

Day: 5.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 113.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,650,479 km

• M1: 99,632 km (0.069 R)
• M2: 385,514 km (0.042 R)
• M3: 721,062 km (0.039 R)
• M4: 1,046,138 km (0.097 R)
• M5: 1,967,062 km (0.08 R)
• M6: 2,584,154 km (0.05 R)
• M7: 3,595,734 km (0.115 R)
• M8: 3,868,900 km (0.106 R)
• M9: 4,427,947 km (0.104 R)
• M10: 4,696,476 km (0.098 R)
• M11: 4,976,074 km (0.094 R)
• M12: 5,706,411 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.9

Radius: 8.5

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.81 AU - 1.97 AU

Year: 1733 Days

Day: 6.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,650,479 km

• M1: 105,766 km (0.038 R)
• M2: 447,746 km (0.064 R)
• M3: 1,137,991 km (0.039 R)
• M4: 1,516,324 km (0.104 R)
• M5: 2,106,488 km (0.074 R)
• M6: 2,506,363 km (0.109 R)
• M7: 3,113,281 km (0.087 R)
• M8: 3,487,575 km (0.115 R)
• M9: 4,428,097 km (0.099 R)
• M10: 5,143,175 km (0.081 R)
• M11: 6,206,516 km (0.082 R)
• M12: 6,801,467 km (0.098 R)
• M13: 8,468,586 km (0.116 R)
• M14: 9,117,093 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.6

Radius: 8.6

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.94 AU - 4.3 AU

Year: 4593 Days

Day: 5.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,650,479 km

• M1: 106,962 km (0.092 R)
• M2: 439,070 km (0.094 R)
• M3: 995,574 km (0.106 R)
• M4: 1,508,395 km (0.097 R)
• M5: 1,900,192 km (0.087 R)
• M6: 2,488,860 km (0.06 R)
• M7: 3,733,813 km (0.119 R)
• M8: 4,165,852 km (0.106 R)
• M9: 4,480,456 km (0.101 R)
• M10: 4,759,007 km (0.108 R)
• M11: 5,184,913 km (0.09 R)
• M12: 6,113,018 km (0.026 R)
• M13: 7,285,117 km (0.117 R)
• M14: 7,600,320 km (0.105 R)
• M15: 8,145,754 km (0.061 R)
• M16: 9,896,946 km (0.049 R)
• M17: 11,981,892 km (0.062 R)
• M18: 12,520,893 km (0.088 R)
• M19: 14,019,265 km (0.097 R)
• M20: 17,244,895 km (0.116 R)
• M21: 20,239,994 km (0.115 R)
• M22: 23,565,255 km (0.074 R)
• M23: 24,880,968 km (0.065 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 13,521 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit