🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.9

Radius: 9.1

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.95 AU - 1.13 AU

Year: 696 Days

Day: 8.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 143.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,312,637 km

• M1: 113,096 km (0.059 R)
• M2: 464,801 km (0.113 R)
• M3: 943,663 km (0.066 R)
• M4: 1,390,811 km (0.101 R)
• M5: 2,290,942 km (0.1 R)
• M6: 3,056,284 km (0.072 R)
• M7: 3,470,521 km (0.091 R)
• M8: 4,007,129 km (0.051 R)
• M9: 4,491,227 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.7

Radius: 13.2

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.17 AU - 1.93 AU

Year: 1266 Days

Day: 6.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,312,637 km

• M1: 164,558 km (0.033 R)
• M2: 600,785 km (0.03 R)
• M3: 1,045,689 km (0.097 R)
• M4: 1,650,663 km (0.116 R)
• M5: 2,290,493 km (0.102 R)
• M6: 2,904,443 km (0.075 R)
• M7: 3,387,793 km (0.112 R)
• M8: 4,828,122 km (0.117 R)
• M9: 5,865,583 km (0.093 R)
• M10: 6,392,167 km (0.041 R)
• M11: 7,022,274 km (0.108 R)
• M12: 9,339,096 km (0.074 R)
• M13: 10,028,443 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613

Radius: 9.9

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.59 AU - 3.95 AU

Year: 3879 Days

Day: 15 Hours

Environment

Temp: -211 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,312,637 km

• M1: 123,119 km (0.12 R)
• M2: 456,872 km (0.079 R)
• M3: 1,171,202 km (0.093 R)
• M4: 1,496,428 km (0.108 R)
• M5: 1,986,510 km (0.042 R)
• M6: 2,395,511 km (0.055 R)
• M7: 2,743,027 km (0.106 R)
• M8: 3,887,450 km (0.074 R)
• M9: 5,482,912 km (0.078 R)
• M10: 6,119,899 km (0.118 R)
• M11: 6,471,454 km (0.04 R)
• M12: 8,872,351 km (0.07 R)
• M13: 10,477,236 km (0.097 R)
• M14: 11,813,145 km (0.105 R)
• M15: 12,175,621 km (0.072 R)
• M16: 14,100,646 km (0.073 R)
• M17: 14,663,733 km (0.109 R)
• M18: 17,240,407 km (0.098 R)
• M19: 20,818,339 km (0.054 R)
• M20: 21,214,624 km (0.081 R)
• M21: 22,364,732 km (0.091 R)
• M22: 23,130,823 km (0.079 R)
• M23: 24,495,155 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.9

Radius: 5

Gravity: 21.56 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.46 AU - 7.48 AU

Year: 10796 Days

Day: 21.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,312,637 km

• M1: 107,262 km (0.053 R)
• M2: 294,708 km (0.11 R)
• M3: 492,925 km (0.119 R)
• M4: 780,153 km (0.063 R)
• M5: 1,434,195 km (0.046 R)
• M6: 3,267,367 km (0.117 R)
• M7: 3,507,621 km (0.094 R)
• M8: 4,132,791 km (0.065 R)
• M9: 4,471,780 km (0.099 R)
• M10: 4,677,925 km (0.11 R)
• M11: 5,077,801 km (0.058 R)
• M12: 5,367,721 km (0.103 R)
• M13: 5,634,604 km (0.08 R)
• M14: 6,231,200 km (0.113 R)
• M15: 6,715,000 km (0.103 R)
• M16: 7,673,623 km (0.11 R)
• M17: 7,926,742 km (0.108 R)
• M18: 10,007,200 km (0.096 R)
• M19: 10,258,824 km (0.113 R)
• M20: 15,539,778 km (0.096 R)
• M21: 16,081,921 km (0.118 R)
• M22: 16,848,011 km (0.031 R)
• M23: 19,603,305 km (0.075 R)
• M24: 22,558,461 km (0.075 R)
• M25: 23,165,679 km (0.065 R)
• M26: 23,872,978 km (0.106 R)
• M27: 25,423,410 km (0.107 R)
• M28: 26,749,595 km (0.104 R)
• M29: 29,436,223 km (0.059 R)
• M30: 32,406,938 km (0.116 R)
• M31: 36,988,522 km (0.082 R)
• M32: 39,558,165 km (0.027 R)
• M33: 43,033,623 km (0.027 R)
• M34: 46,289,022 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.3

Radius: 5.4

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.43 AU - 9.95 AU

Year: 15376 Days

Day: 19.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,312,637 km

• M1: 69,264 km (0.117 R)
• M2: 314,305 km (0.113 R)
• M3: 539,749 km (0.035 R)
• M4: 806,931 km (0.101 R)
• M5: 1,159,683 km (0.106 R)
• M6: 1,875,060 km (0.101 R)
• M7: 2,224,072 km (0.098 R)
• M8: 2,394,763 km (0.108 R)
• M9: 2,805,858 km (0.069 R)
• M10: 3,310,900 km (0.117 R)
• M11: 3,559,681 km (0.111 R)
• M12: 3,901,812 km (0.101 R)
• M13: 4,265,334 km (0.087 R)
• M14: 5,458,527 km (0.091 R)
• M15: 6,131,718 km (0.087 R)
• M16: 6,584,550 km (0.101 R)
• M17: 6,898,556 km (0.045 R)
• M18: 9,432,595 km (0.083 R)
• M19: 11,152,072 km (0.116 R)
• M20: 11,826,011 km (0.059 R)
• M21: 12,467,337 km (0.071 R)
• M22: 13,131,402 km (0.112 R)
• M23: 15,401,550 km (0.071 R)
• M24: 16,236,605 km (0.107 R)
• M25: 17,101,281 km (0.116 R)
• M26: 23,848,444 km (0.097 R)
• M27: 26,407,914 km (0.115 R)
• M28: 27,501,175 km (0.093 R)
• M29: 28,417,761 km (0.049 R)
• M30: 29,565,626 km (0.111 R)
• M31: 31,509,949 km (0.071 R)
• M32: 31,953,357 km (0.12 R)
• M33: 32,966,135 km (0.089 R)
• M34: 34,000,155 km (0.119 R)
• M35: 44,575,079 km (0.049 R)
• M36: 46,407,803 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.1

Radius: 5.3

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.69 AU - 8.75 AU

Year: 15460 Days

Day: 22.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,312,637 km

• M1: 153,787 km (0.095 R)
• M2: 528,380 km (0.103 R)
• M3: 733,927 km (0.1 R)
• M4: 1,235,080 km (0.108 R)
• M5: 1,589,178 km (0.071 R)
• M6: 1,774,231 km (0.074 R)
• M7: 4,537,154 km (0.108 R)
• M8: 5,688,309 km (0.118 R)
• M9: 6,087,287 km (0.061 R)
• M10: 6,700,489 km (0.105 R)
• M11: 6,940,743 km (0.065 R)
• M12: 7,438,455 km (0.099 R)
• M13: 8,504,938 km (0.031 R)
• M14: 9,418,682 km (0.101 R)
• M15: 9,873,609 km (0.091 R)
• M16: 10,396,154 km (0.08 R)
• M17: 14,985,668 km (0.065 R)
• M18: 15,535,589 km (0.073 R)
• M19: 17,416,184 km (0.12 R)
• M20: 31,743,771 km (0.087 R)
• M21: 34,276,911 km (0.041 R)
• M22: 36,324,158 km (0.089 R)
• M23: 40,396,362 km (0.093 R)
• M24: 41,594,342 km (0.106 R)
• M25: 44,340,659 km (0.099 R)
• M26: 45,472,218 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.5

Radius: 5.9

Gravity: 18.34 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.36 AU - 8.76 AU

Year: 16429 Days

Day: 18.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 99 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 62,312,637 km

• M1: 73,453 km (0.113 R)
• M2: 276,008 km (0.084 R)
• M3: 527,183 km (0.118 R)
• M4: 1,612,815 km (0.11 R)
• M5: 2,167,524 km (0.112 R)
• M6: 2,413,612 km (0.089 R)
• M7: 3,318,679 km (0.105 R)
• M8: 4,209,834 km (0.119 R)
• M9: 6,047,045 km (0.078 R)
• M10: 6,705,725 km (0.119 R)
• M11: 7,230,215 km (0.113 R)
• M12: 8,410,243 km (0.036 R)
• M13: 9,335,805 km (0.068 R)
• M14: 9,604,482 km (0.062 R)
• M15: 14,351,373 km (0.094 R)
• M16: 15,294,886 km (0.041 R)
• M17: 18,710,206 km (0.075 R)
• M18: 18,965,868 km (0.119 R)
• M19: 20,459,005 km (0.084 R)
• M20: 24,379,217 km (0.084 R)
• M21: 27,436,100 km (0.12 R)
• M22: 32,793,499 km (0.076 R)
• M23: 39,924,231 km (0.117 R)
• M24: 48,823,060 km (0.082 R)
• M25: 50,287,175 km (0.111 R)
• M26: 50,616,440 km (0.114 R)
• M27: 51,780,161 km (0.104 R)
• M28: 52,115,859 km (0.12 R)
• M29: 52,791,742 km (0.043 R)
• M30: 60,989,406 km (0.059 R)
• M31: 62,686,594 km (0.063 R)
• M32: 63,067,919 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.8

Radius: 4.5

Gravity: 25.87 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 7.83 AU - 9.65 AU

Year: 16950 Days

Day: 20.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,312,637 km

• M1: 55,950 km (0.099 R)
• M2: 216,019 km (0.03 R)
• M3: 450,140 km (0.092 R)
• M4: 727,943 km (0.07 R)
• M5: 1,308,832 km (0.077 R)
• M6: 1,983,369 km (0.119 R)
• M7: 2,794,488 km (0.105 R)
• M8: 3,472,167 km (0.062 R)
• M9: 3,806,069 km (0.087 R)
• M10: 5,395,546 km (0.075 R)
• M11: 7,380,411 km (0.07 R)
• M12: 9,064,733 km (0.066 R)
• M13: 9,429,902 km (0.059 R)
• M14: 10,078,558 km (0.068 R)
• M15: 10,756,685 km (0.066 R)
• M16: 11,165,835 km (0.075 R)
• M17: 14,466,862 km (0.096 R)
• M18: 15,255,392 km (0.097 R)
• M19: 16,684,052 km (0.094 R)
• M20: 17,470,787 km (0.029 R)
• M21: 19,717,897 km (0.06 R)
• M22: 20,419,062 km (0.068 R)
• M23: 21,778,159 km (0.102 R)
• M24: 29,147,799 km (0.113 R)
• M25: 29,713,727 km (0.062 R)
• M26: 36,040,969 km (0.079 R)
• M27: 40,070,538 km (0.071 R)
• M28: 52,761,823 km (0.107 R)
• M29: 58,115,033 km (0.106 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 19,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit