🌌 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 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.56 AU - 0.56 AU

Year: 266 Days

Day: 34.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 9,310,587 km

• M1: 53,706 km (0.071 R)
• M2: 371,003 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.53 AU - 0.61 AU

Year: 274 Days

Day: 27.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 107.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 9,310,587 km

• M1: 230,680 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.62 AU - 0.72 AU

Year: 349 Days

Day: 42.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 9,310,587 km

• M1: 323,730 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.1

Radius: 14.9

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.96 AU - 1.05 AU

Year: 636 Days

Day: 8.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 9,310,587 km

• M1: 190,887 km (0.094 R)
• M2: 332,706 km (0.043 R)
• M3: 431,739 km (0.096 R)
• M4: 559,047 km (0.042 R)
• M5: 656,136 km (0.119 R)
• M6: 775,366 km (0.116 R)
• M7: 892,800 km (0.097 R)
• M8: 994,826 km (0.099 R)
• M9: 1,118,693 km (0.084 R)
• M10: 1,260,362 km (0.09 R)
• M11: 1,459,327 km (0.077 R)
• M12: 1,628,971 km (0.043 R)
• M13: 1,743,713 km (0.114 R)
• M14: 1,854,415 km (0.112 R)
• M15: 2,075,820 km (0.092 R)
• M16: 2,186,223 km (0.12 R)
• M17: 2,336,569 km (0.11 R)
• M18: 2,443,980 km (0.111 R)
• M19: 2,592,531 km (0.08 R)
• M20: 2,696,053 km (0.061 R)
• M21: 2,948,424 km (0.091 R)
• M22: 3,191,820 km (0.116 R)
• M23: 3,346,355 km (0.111 R)
• M24: 3,459,451 km (0.12 R)
• M25: 3,653,928 km (0.077 R)
• M26: 3,906,748 km (0.113 R)
• M27: 4,156,128 km (0.117 R)
• M28: 4,334,897 km (0.099 R)
• M29: 4,700,066 km (0.11 R)
• M30: 4,856,844 km (0.052 R)
• M31: 4,985,499 km (0.038 R)
• M32: 5,165,614 km (0.113 R)
• M33: 5,802,752 km (0.105 R)
• M34: 5,918,391 km (0.08 R)
• M35: 6,045,549 km (0.112 R)
• M36: 6,141,441 km (0.075 R)
• M37: 6,475,793 km (0.105 R)
• M38: 6,584,849 km (0.034 R)
• M39: 6,727,715 km (0.095 R)
• M40: 7,162,447 km (0.081 R)
• M41: 7,445,935 km (0.097 R)
• M42: 7,663,899 km (0.093 R)
• M43: 7,791,207 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.8

Radius: 13.7

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.03 AU - 1.03 AU

Year: 665 Days

Day: 14.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 9,310,587 km

• M1: 171,738 km (0.105 R)
• M2: 285,582 km (0.098 R)
• M3: 419,921 km (0.079 R)
• M4: 634,744 km (0.094 R)
• M5: 771,027 km (0.114 R)
• M6: 859,739 km (0.114 R)
• M7: 974,181 km (0.093 R)
• M8: 1,089,222 km (0.089 R)
• M9: 1,212,042 km (0.027 R)
• M10: 1,303,895 km (0.106 R)
• M11: 1,460,973 km (0.062 R)
• M12: 1,702,723 km (0.062 R)
• M13: 1,967,661 km (0.114 R)
• M14: 2,119,951 km (0.103 R)
• M15: 2,229,457 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291

Radius: 11.2

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.03 AU - 1.03 AU

Year: 665 Days

Day: 8.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 9,310,587 km

• M1: 149,897 km (0.088 R)
• M2: 224,098 km (0.114 R)
• M3: 321,785 km (0.066 R)
• M4: 448,195 km (0.068 R)
• M5: 606,171 km (0.065 R)
• M6: 714,779 km (0.087 R)
• M7: 913,445 km (0.109 R)
• M8: 1,045,540 km (0.097 R)
• M9: 1,184,366 km (0.101 R)
• M10: 1,283,849 km (0.097 R)
• M11: 1,360,443 km (0.073 R)
• M12: 1,438,533 km (0.039 R)
• M13: 1,518,418 km (0.114 R)
• M14: 1,677,142 km (0.109 R)
• M15: 1,946,268 km (0.049 R)
• M16: 2,131,620 km (0.115 R)
• M17: 2,310,240 km (0.097 R)
• M18: 2,392,070 km (0.098 R)
• M19: 2,462,082 km (0.05 R)
• M20: 2,735,696 km (0.119 R)
• M21: 2,808,999 km (0.101 R)
• M22: 2,882,901 km (0.113 R)
• M23: 3,081,267 km (0.032 R)
• M24: 3,171,624 km (0.102 R)
• M25: 3,269,910 km (0.096 R)
• M26: 3,513,156 km (0.103 R)
• M27: 3,585,711 km (0.095 R)
• M28: 3,695,666 km (0.11 R)
• M29: 3,769,717 km (0.044 R)
• M30: 4,009,672 km (0.095 R)
• M31: 4,246,934 km (0.116 R)
• M32: 4,457,418 km (0.114 R)
• M33: 4,639,479 km (0.114 R)
• M34: 4,735,521 km (0.092 R)
• M35: 5,241,909 km (0.096 R)
• M36: 5,341,990 km (0.069 R)
• M37: 5,467,952 km (0.117 R)
• M38: 5,697,285 km (0.047 R)
• M39: 5,774,328 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908

Radius: 8.1

Gravity: 13.84 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.02 AU - 1.2 AU

Year: 744 Days

Day: 10.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 9,310,587 km

• M1: 134,937 km (0.066 R)
• M2: 185,801 km (0.062 R)
• M3: 264,040 km (0.103 R)
• M4: 316,998 km (0.072 R)
• M5: 378,931 km (0.106 R)
• M6: 455,226 km (0.081 R)
• M7: 562,638 km (0.097 R)
• M8: 619,784 km (0.093 R)
• M9: 695,630 km (0.065 R)
• M10: 757,713 km (0.101 R)
• M11: 912,098 km (0.12 R)
• M12: 1,044,642 km (0.093 R)
• M13: 1,176,886 km (0.095 R)
• M14: 1,238,222 km (0.094 R)
• M15: 1,357,152 km (0.118 R)
• M16: 1,524,253 km (0.092 R)
• M17: 1,576,462 km (0.093 R)
• M18: 1,644,380 km (0.1 R)
• M19: 1,728,903 km (0.105 R)
• M20: 1,822,850 km (0.114 R)
• M21: 1,878,500 km (0.12 R)
• M22: 1,991,447 km (0.113 R)
• M23: 2,056,971 km (0.084 R)
• M24: 2,123,243 km (0.058 R)
• M25: 2,413,163 km (0.102 R)
• M26: 2,492,151 km (0.116 R)
• M27: 2,706,674 km (0.044 R)
• M28: 2,816,330 km (0.066 R)
• M29: 2,908,781 km (0.096 R)
• M30: 2,974,155 km (0.04 R)
• M31: 3,192,269 km (0.108 R)
• M32: 3,376,424 km (0.03 R)
• M33: 3,534,250 km (0.08 R)
• M34: 3,644,204 km (0.111 R)
• M35: 3,714,814 km (0.055 R)
• M36: 3,847,059 km (0.116 R)
• M37: 3,970,627 km (0.111 R)
• M38: 4,232,124 km (0.078 R)
• M39: 4,327,717 km (0.114 R)
• M40: 4,423,908 km (0.066 R)
• M41: 4,488,535 km (0.091 R)
• M42: 4,662,367 km (0.101 R)
• M43: 4,827,224 km (0.114 R)
• M44: 5,390,909 km (0.118 R)
• M45: 5,599,000 km (0.101 R)
• M46: 5,797,815 km (0.114 R)
• M47: 6,154,606 km (0.11 R)
• M48: 6,311,385 km (0.07 R)
• M49: 6,396,506 km (0.083 R)
• M50: 6,481,777 km (0.072 R)
• M51: 6,616,714 km (0.059 R)
• M52: 6,827,198 km (0.046 R)
• M53: 6,951,963 km (0.119 R)
• M54: 7,064,909 km (0.045 R)
• M55: 7,178,454 km (0.081 R)
• M56: 7,229,168 km (0.118 R)
• M57: 7,445,935 km (0.099 R)
• M58: 7,677,662 km (0.107 R)
• M59: 7,977,306 km (0.098 R)
• M60: 8,161,611 km (0.091 R)
• M61: 8,241,048 km (0.097 R)
• M62: 8,777,057 km (0.077 R)
• M63: 8,953,732 km (0.053 R)
• M64: 9,049,325 km (0.094 R)
• M65: 9,227,795 km (0.089 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: 231 - 13,696 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit