🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.66 AU - 0.88 AU

Year: 246 Days

Day: 24.8 Hours

Environment

Temp: 97 °C

Axial Tilt: 8.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.19 AU - 1.83 AU

Year: 674 Days

Day: 40.5 Hours

Environment

Temp: -40 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.5

Radius: 9.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.8 AU - 6.4 AU

Year: 4816 Days

Day: 11.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 104,717,570 km

• M1: 120,875 km (0.07 R)
• M2: 578,944 km (0.094 R)
• M3: 1,007,691 km (0.11 R)
• M4: 2,841,163 km (0.117 R)
• M5: 3,215,756 km (0.117 R)
• M6: 4,495,117 km (0.109 R)
• M7: 5,664,224 km (0.115 R)
• M8: 6,231,350 km (0.116 R)
• M9: 6,559,119 km (0.088 R)
• M10: 7,579,077 km (0.085 R)
• M11: 8,022,335 km (0.086 R)
• M12: 8,628,057 km (0.095 R)
• M13: 9,850,870 km (0.094 R)
• M14: 10,255,682 km (0.076 R)
• M15: 11,805,666 km (0.118 R)
• M16: 13,309,723 km (0.109 R)
• M17: 13,955,836 km (0.078 R)
• M18: 14,312,178 km (0.102 R)
• M19: 15,799,330 km (0.107 R)
• M20: 16,523,683 km (0.068 R)
• M21: 17,978,822 km (0.106 R)
• M22: 18,462,023 km (0.079 R)
• M23: 18,768,399 km (0.111 R)
• M24: 19,899,509 km (0.063 R)
• M25: 20,221,593 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.3

Radius: 10

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.38 AU - 7.28 AU

Year: 5116 Days

Day: 13.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 104,717,570 km

• M1: 124,615 km (0.066 R)
• M2: 543,489 km (0.077 R)
• M3: 1,127,220 km (0.078 R)
• M4: 1,593,217 km (0.115 R)
• M5: 2,374,417 km (0.111 R)
• M6: 2,842,808 km (0.114 R)
• M7: 3,208,725 km (0.027 R)
• M8: 3,605,907 km (0.067 R)
• M9: 5,390,759 km (0.077 R)
• M10: 6,016,078 km (0.059 R)
• M11: 6,590,085 km (0.095 R)
• M12: 7,095,876 km (0.089 R)
• M13: 8,147,100 km (0.085 R)
• M14: 8,730,233 km (0.058 R)
• M15: 9,508,291 km (0.112 R)
• M16: 11,874,780 km (0.075 R)
• M17: 12,371,295 km (0.103 R)
• M18: 13,458,872 km (0.075 R)
• M19: 14,108,426 km (0.1 R)
• M20: 19,051,438 km (0.105 R)
• M21: 19,801,223 km (0.077 R)
• M22: 21,287,029 km (0.06 R)
• M23: 23,304,805 km (0.093 R)
• M24: 23,691,964 km (0.118 R)
• M25: 26,523,702 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.5

Radius: 6.9

Gravity: 17.07 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 16.03 AU - 21.59 AU

Year: 29649 Days

Day: 18 Hours

Environment

Temp: -196 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 104,717,570 km

• M1: 85,869 km (0.078 R)
• M2: 343,178 km (0.113 R)
• M3: 910,303 km (0.034 R)
• M4: 1,293,573 km (0.09 R)
• M5: 1,532,181 km (0.082 R)
• M6: 2,407,329 km (0.109 R)
• M7: 3,579,129 km (0.048 R)
• M8: 3,984,390 km (0.095 R)
• M9: 4,457,568 km (0.094 R)
• M10: 5,215,730 km (0.076 R)
• M11: 7,672,875 km (0.068 R)
• M12: 10,137,949 km (0.115 R)
• M13: 12,096,633 km (0.038 R)
• M14: 12,623,068 km (0.116 R)
• M15: 13,802,648 km (0.061 R)
• M16: 14,797,922 km (0.107 R)
• M17: 17,210,637 km (0.056 R)
• M18: 18,264,703 km (0.102 R)
• M19: 20,712,573 km (0.114 R)
• M20: 21,248,882 km (0.09 R)
• M21: 22,686,218 km (0.116 R)
• M22: 23,027,002 km (0.089 R)
• M23: 30,030,426 km (0.089 R)
• M24: 31,134,309 km (0.03 R)
• M25: 33,569,313 km (0.095 R)
• M26: 42,142,319 km (0.047 R)
• M27: 47,667,866 km (0.116 R)
• M28: 48,790,298 km (0.059 R)
• M29: 52,857,715 km (0.06 R)
• M30: 58,838,189 km (0.06 R)
• M31: 59,912,900 km (0.062 R)
• M32: 64,797,420 km (0.096 R)
• M33: 73,847,942 km (0.112 R)
• M34: 74,346,402 km (0.114 R)
• M35: 79,193,522 km (0.041 R)
• M36: 79,977,565 km (0.082 R)
• M37: 82,093,776 km (0.066 R)
• M38: 88,105,367 km (0.096 R)
• M39: 94,697,098 km (0.053 R)
• M40: 98,866,091 km (0.029 R)
• M41: 103,155,960 km (0.1 R)

Kuiper Belt

Range: 30.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 14,212 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit