🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.46 AU - 0.74 AU

Year: 177 Days

Day: 33.4 Hours

Environment

Temp: 178 °C

Axial Tilt: 13.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.04 AU - 2.24 AU

Year: 1192 Days

Day: 12.7 Hours

Environment

Temp: -76 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,712,105 km

• M1: 786,286 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.1 AU - 2.18 AU

Year: 1192 Days

Day: 18.6 Hours

Environment

Temp: -78 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2 AU - 3.1 AU

Year: 1551 Days

Day: 29.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.21 AU - 2.89 AU

Year: 1551 Days

Day: 24 Hours

Environment

Temp: -107 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,712,105 km

• M1: 873,053 km (0.045 R)

Asteroid Belt

Center: 6.54 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.5

Radius: 9.4

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.36 AU - 12.68 AU

Year: 12993 Days

Day: 10 Hours

Environment

Temp: -185 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 40,712,105 km

• M1: 118,930 km (0.096 R)
• M2: 305,180 km (0.073 R)
• M3: 504,594 km (0.119 R)
• M4: 611,706 km (0.119 R)
• M5: 808,427 km (0.117 R)
• M6: 958,474 km (0.118 R)
• M7: 1,516,324 km (0.071 R)
• M8: 1,622,539 km (0.116 R)
• M9: 1,731,446 km (0.092 R)
• M10: 1,899,295 km (0.033 R)
• M11: 2,281,517 km (0.117 R)
• M12: 2,687,825 km (0.039 R)
• M13: 2,752,302 km (0.099 R)
• M14: 2,915,962 km (0.105 R)
• M15: 3,426,240 km (0.112 R)
• M16: 4,186,945 km (0.051 R)
• M17: 5,899,392 km (0.097 R)
• M18: 6,586,046 km (0.093 R)
• M19: 6,983,378 km (0.105 R)
• M20: 7,207,476 km (0.114 R)
• M21: 8,174,626 km (0.068 R)
• M22: 8,268,873 km (0.114 R)
• M23: 9,084,480 km (0.087 R)
• M24: 9,329,372 km (0.098 R)
• M25: 9,975,934 km (0.119 R)
• M26: 10,534,383 km (0.114 R)
• M27: 10,998,884 km (0.116 R)
• M28: 11,103,004 km (0.063 R)
• M29: 11,417,459 km (0.101 R)
• M30: 11,681,649 km (0.043 R)
• M31: 11,894,527 km (0.066 R)
• M32: 12,162,307 km (0.076 R)
• M33: 13,475,776 km (0.047 R)
• M34: 14,262,511 km (0.12 R)
• M35: 14,433,053 km (0.075 R)
• M36: 14,776,081 km (0.112 R)
• M37: 16,531,761 km (0.11 R)
• M38: 16,710,980 km (0.111 R)
• M39: 18,044,645 km (0.097 R)
• M40: 19,601,211 km (0.048 R)
• M41: 19,790,901 km (0.107 R)
• M42: 20,363,561 km (0.099 R)
• M43: 20,619,823 km (0.116 R)
• M44: 20,748,477 km (0.034 R)
• M45: 22,443,720 km (0.105 R)
• M46: 23,040,765 km (0.043 R)
• M47: 23,710,365 km (0.094 R)
• M48: 25,343,375 km (0.111 R)
• M49: 25,550,120 km (0.106 R)
• M50: 25,895,840 km (0.089 R)
• M51: 26,731,943 km (0.11 R)
• M52: 28,716,807 km (0.11 R)
• M53: 29,799,746 km (0.06 R)
• M54: 31,264,160 km (0.044 R)
• M55: 31,411,813 km (0.084 R)
• M56: 31,485,864 km (0.092 R)
• M57: 32,751,911 km (0.108 R)
• M58: 32,901,957 km (0.072 R)
• M59: 32,977,055 km (0.118 R)
• M60: 33,428,841 km (0.101 R)
• M61: 34,262,700 km (0.068 R)
• M62: 35,487,457 km (0.043 R)
• M63: 35,950,612 km (0.069 R)
• M64: 36,570,995 km (0.065 R)
• M65: 37,038,787 km (0.106 R)
• M66: 37,508,375 km (0.069 R)
• M67: 37,980,057 km (0.099 R)
• M68: 38,216,571 km (0.038 R)
• M69: 38,295,559 km (0.097 R)
• M70: 40,689,574 km (0.112 R)
• M71: 40,931,623 km (0.107 R)
• M72: 41,255,203 km (0.105 R)
• M73: 42,475,922 km (0.063 R)
• M74: 45,704,693 km (0.111 R)
• M75: 46,545,283 km (0.097 R)
• M76: 48,241,723 km (0.057 R)
• M77: 48,497,984 km (0.109 R)
• M78: 50,910,998 km (0.066 R)
• M79: 50,997,914 km (0.108 R)
• M80: 51,433,094 km (0.119 R)
• M81: 54,692,084 km (0.077 R)
• M82: 55,405,516 km (0.114 R)
• M83: 56,032,331 km (0.106 R)
• M84: 56,751,448 km (0.09 R)
• M85: 58,744,840 km (0.053 R)
• M86: 58,835,945 km (0.095 R)
• M87: 59,018,454 km (0.116 R)
• M88: 59,383,922 km (0.118 R)
• M89: 59,566,880 km (0.068 R)
• M90: 59,750,138 km (0.043 R)
• M91: 61,685,036 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.3

Radius: 4.7

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 13.05 AU - 15.95 AU

Year: 21026 Days

Day: 15.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,712,105 km

• M1: 93,199 km (0.111 R)
• M2: 174,282 km (0.101 R)
• M3: 420,669 km (0.046 R)
• M4: 822,639 km (0.108 R)
• M5: 1,120,189 km (0.102 R)
• M6: 1,462,319 km (0.095 R)
• M7: 1,517,820 km (0.057 R)
• M8: 2,251,747 km (0.101 R)
• M9: 4,205,795 km (0.104 R)
• M10: 4,364,817 km (0.115 R)
• M11: 4,688,696 km (0.066 R)
• M12: 7,210,917 km (0.104 R)
• M13: 7,329,548 km (0.064 R)
• M14: 7,908,491 km (0.032 R)
• M15: 9,810,329 km (0.091 R)
• M16: 10,474,245 km (0.106 R)
• M17: 10,554,878 km (0.027 R)
• M18: 10,608,733 km (0.083 R)
• M19: 10,825,052 km (0.107 R)
• M20: 11,400,106 km (0.116 R)
• M21: 12,069,407 km (0.054 R)
• M22: 12,866,165 km (0.089 R)
• M23: 14,241,268 km (0.091 R)
• M24: 14,900,995 km (0.109 R)
• M25: 14,991,651 km (0.115 R)
• M26: 15,478,592 km (0.1 R)
• M27: 17,669,154 km (0.117 R)
• M28: 19,062,060 km (0.113 R)
• M29: 20,928,293 km (0.11 R)
• M30: 22,538,864 km (0.045 R)
• M31: 23,446,923 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 43.7

Radius: 7.8

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 18.2 AU - 19.36 AU

Year: 30991 Days

Day: 19.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 40,712,105 km

• M1: 267,331 km (0.069 R)
• M2: 340,485 km (0.088 R)
• M3: 606,619 km (0.073 R)
• M4: 801,396 km (0.114 R)
• M5: 1,248,843 km (0.052 R)
• M6: 1,913,506 km (0.106 R)
• M7: 2,480,183 km (0.065 R)
• M8: 2,819,172 km (0.065 R)
• M9: 4,033,458 km (0.106 R)
• M10: 4,259,500 km (0.074 R)
• M11: 5,204,360 km (0.107 R)
• M12: 5,637,596 km (0.069 R)
• M13: 6,146,827 km (0.038 R)
• M14: 6,904,690 km (0.072 R)
• M15: 10,720,632 km (0.112 R)
• M16: 11,549,255 km (0.08 R)
• M17: 15,063,907 km (0.106 R)
• M18: 15,326,751 km (0.11 R)
• M19: 15,812,495 km (0.106 R)
• M20: 17,667,359 km (0.08 R)
• M21: 18,690,758 km (0.091 R)
• M22: 21,824,833 km (0.065 R)
• M23: 21,874,201 km (0.111 R)
• M24: 25,794,413 km (0.098 R)
• M25: 27,006,604 km (0.102 R)
• M26: 28,129,636 km (0.05 R)
• M27: 28,345,356 km (0.055 R)
• M28: 29,705,350 km (0.12 R)
• M29: 30,587,080 km (0.117 R)
• M30: 30,808,784 km (0.112 R)
• M31: 30,864,285 km (0.052 R)
• M32: 33,796,852 km (0.103 R)
• M33: 33,854,148 km (0.111 R)
• M34: 34,428,604 km (0.102 R)
• M35: 35,238,227 km (0.025 R)
• M36: 36,699,499 km (0.114 R)
• M37: 38,061,289 km (0.09 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 20,297 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit