🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.51 AU - 0.81 AU

Year: 352 Days

Day: 15.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.2

Radius: 12.3

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.68 AU - 0.8 AU

Year: 418 Days

Day: 12.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 6,932,641 km

• M1: 164,109 km (0.091 R)
• M2: 241,750 km (0.067 R)
• M3: 324,179 km (0.072 R)
• M4: 401,521 km (0.111 R)
• M5: 485,445 km (0.042 R)
• M6: 571,464 km (0.108 R)
• M7: 669,750 km (0.059 R)
• M8: 781,200 km (0.072 R)
• M9: 1,017,714 km (0.095 R)
• M10: 1,097,001 km (0.11 R)
• M11: 1,178,682 km (0.048 R)
• M12: 1,258,567 km (0.106 R)
• M13: 1,336,657 km (0.082 R)
• M14: 1,416,393 km (0.066 R)
• M15: 1,493,735 km (0.063 R)
• M16: 1,610,571 km (0.117 R)
• M17: 1,691,653 km (0.073 R)
• M18: 1,880,445 km (0.068 R)
• M19: 1,993,541 km (0.072 R)
• M20: 2,127,731 km (0.109 R)
• M21: 2,207,765 km (0.077 R)
• M22: 2,303,358 km (0.05 R)
• M23: 2,390,574 km (0.105 R)
• M24: 2,508,756 km (0.088 R)
• M25: 2,623,797 km (0.055 R)
• M26: 2,735,547 km (0.107 R)
• M27: 2,854,178 km (0.099 R)
• M28: 3,032,648 km (0.11 R)
• M29: 3,182,545 km (0.084 R)
• M30: 3,269,312 km (0.077 R)
• M31: 3,378,967 km (0.069 R)
• M32: 3,545,619 km (0.095 R)
• M33: 3,823,871 km (0.11 R)
• M34: 3,904,804 km (0.08 R)
• M35: 4,050,662 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.6

Radius: 9.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.7 AU - 1.16 AU

Year: 588 Days

Day: 8.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 6,932,641 km

• M1: 121,623 km (0.068 R)
• M2: 205,398 km (0.078 R)
• M3: 285,433 km (0.1 R)
• M4: 367,263 km (0.077 R)
• M5: 428,598 km (0.032 R)
• M6: 502,200 km (0.071 R)
• M7: 584,030 km (0.071 R)
• M8: 720,763 km (0.084 R)
• M9: 785,389 km (0.07 R)
• M10: 886,068 km (0.119 R)
• M11: 1,079,049 km (0.047 R)
• M12: 1,150,258 km (0.119 R)
• M13: 1,282,054 km (0.117 R)
• M14: 1,769,144 km (0.114 R)
• M15: 1,863,241 km (0.072 R)
• M16: 1,972,897 km (0.069 R)
• M17: 2,165,280 km (0.102 R)
• M18: 2,403,439 km (0.051 R)
• M19: 2,468,066 km (0.077 R)
• M20: 2,538,377 km (0.12 R)
• M21: 2,645,040 km (0.096 R)
• M22: 2,800,023 km (0.097 R)
• M23: 3,076,031 km (0.093 R)
• M24: 3,250,313 km (0.106 R)
• M25: 3,321,970 km (0.103 R)
• M26: 3,444,641 km (0.1 R)
• M27: 3,717,507 km (0.056 R)
• M28: 3,780,937 km (0.089 R)
• M29: 3,862,318 km (0.117 R)
• M30: 4,026,875 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.9

Radius: 9.9

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.92 AU - 1.34 AU

Year: 788 Days

Day: 15 Hours

Environment

Temp: -157 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 6,932,641 km

• M1: 126,410 km (0.071 R)
• M2: 202,406 km (0.09 R)
• M3: 272,268 km (0.067 R)
• M4: 351,555 km (0.064 R)
• M5: 427,700 km (0.111 R)
• M6: 631,901 km (0.118 R)
• M7: 724,054 km (0.073 R)
• M8: 803,640 km (0.1 R)
• M9: 874,400 km (0.08 R)
• M10: 1,126,472 km (0.091 R)
• M11: 1,206,656 km (0.092 R)
• M12: 1,344,885 km (0.059 R)
• M13: 1,408,913 km (0.069 R)
• M14: 1,706,164 km (0.087 R)
• M15: 1,822,700 km (0.099 R)
• M16: 2,197,294 km (0.075 R)
• M17: 2,290,493 km (0.041 R)
• M18: 2,385,039 km (0.117 R)
• M19: 2,454,602 km (0.045 R)
• M20: 2,542,565 km (0.077 R)
• M21: 2,604,798 km (0.073 R)
• M22: 2,721,784 km (0.061 R)
• M23: 2,803,763 km (0.083 R)
• M24: 2,868,090 km (0.079 R)
• M25: 2,960,991 km (0.087 R)
• M26: 3,092,637 km (0.069 R)
• M27: 3,187,931 km (0.073 R)
• M28: 3,313,294 km (0.073 R)
• M29: 3,459,900 km (0.094 R)
• M30: 3,549,060 km (0.112 R)
• M31: 3,709,279 km (0.081 R)
• M32: 3,780,189 km (0.111 R)
• M33: 3,861,719 km (0.076 R)
• M34: 4,130,846 km (0.042 R)
• M35: 4,236,163 km (0.056 R)
• M36: 4,299,592 km (0.091 R)
• M37: 4,406,256 km (0.1 R)
• M38: 4,535,359 km (0.117 R)
• M39: 4,643,967 km (0.12 R)
• M40: 4,786,533 km (0.083 R)
• M41: 5,302,197 km (0.066 R)
• M42: 5,439,678 km (0.095 R)
• M43: 5,777,021 km (0.048 R)
• M44: 5,965,963 km (0.037 R)
• M45: 6,061,257 km (0.111 R)
• M46: 6,132,914 km (0.119 R)
• M47: 6,253,191 km (0.087 R)
• M48: 6,325,746 km (0.116 R)
• M49: 6,422,985 km (0.118 R)
• M50: 6,754,643 km (0.093 R)
• M51: 6,828,993 km (0.091 R)
• M52: 7,029,006 km (0.092 R)
• M53: 7,218,247 km (0.103 R)
• M54: 7,319,824 km (0.109 R)
• M55: 7,434,715 km (0.051 R)
• M56: 7,705,038 km (0.052 R)
• M57: 8,123,314 km (0.115 R)
• M58: 8,455,272 km (0.065 R)
• M59: 8,643,017 km (0.114 R)
• M60: 8,751,027 km (0.062 R)
• M61: 8,886,562 km (0.065 R)
• M62: 9,022,846 km (0.104 R)
• M63: 9,104,975 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.2

Radius: 10.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.25 AU - 2.01 AU

Year: 1365 Days

Day: 6.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 6,932,641 km

• M1: 140,472 km (0.063 R)
• M2: 243,097 km (0.094 R)
• M3: 312,959 km (0.117 R)
• M4: 435,928 km (0.034 R)
• M5: 538,403 km (0.084 R)
• M6: 620,382 km (0.119 R)
• M7: 689,646 km (0.079 R)
• M8: 817,852 km (0.062 R)
• M9: 895,044 km (0.12 R)
• M10: 1,000,511 km (0.093 R)
• M11: 1,224,608 km (0.05 R)
• M12: 1,302,997 km (0.083 R)
• M13: 1,447,509 km (0.108 R)
• M14: 1,524,851 km (0.12 R)
• M15: 1,603,689 km (0.067 R)
• M16: 1,677,740 km (0.072 R)
• M17: 1,848,581 km (0.104 R)
• M18: 1,946,119 km (0.119 R)
• M19: 2,126,085 km (0.104 R)
• M20: 2,242,322 km (0.093 R)
• M21: 2,438,445 km (0.057 R)
• M22: 2,553,187 km (0.034 R)
• M23: 2,691,714 km (0.049 R)
• M24: 2,765,616 km (0.077 R)
• M25: 2,862,854 km (0.108 R)
• M26: 3,022,176 km (0.106 R)
• M27: 3,223,685 km (0.096 R)
• M28: 3,421,752 km (0.027 R)
• M29: 3,664,699 km (0.092 R)
• M30: 3,946,990 km (0.116 R)
• M31: 4,031,363 km (0.118 R)
• M32: 4,124,862 km (0.081 R)
• M33: 4,193,378 km (0.105 R)
• M34: 4,418,672 km (0.03 R)
• M35: 4,523,989 km (0.105 R)
• M36: 4,630,054 km (0.114 R)
• M37: 4,808,973 km (0.047 R)
• M38: 5,238,169 km (0.089 R)
• M39: 5,340,494 km (0.03 R)
• M40: 5,480,967 km (0.117 R)
• M41: 5,584,788 km (0.104 R)
• M42: 5,737,078 km (0.082 R)
• M43: 5,929,312 km (0.082 R)
• M44: 6,035,975 km (0.11 R)
• M45: 6,192,305 km (0.087 R)
• M46: 6,300,614 km (0.064 R)
• M47: 6,369,728 km (0.079 R)
• M48: 6,469,061 km (0.116 R)
• M49: 6,709,614 km (0.109 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 13,847 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit