🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.7

Radius: 11.8

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.96 AU - 1.2 AU

Year: 736 Days

Day: 14.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 128.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,676,790 km

• M1: 146,905 km (0.119 R)
• M2: 530,474 km (0.106 R)
• M3: 926,759 km (0.04 R)
• M4: 1,301,501 km (0.105 R)
• M5: 1,823,149 km (0.116 R)
• M6: 3,151,878 km (0.092 R)
• M7: 4,044,079 km (0.072 R)
• M8: 4,784,140 km (0.092 R)
• M9: 5,669,610 km (0.099 R)
• M10: 6,061,107 km (0.088 R)
• M11: 6,725,322 km (0.068 R)
• M12: 7,323,115 km (0.103 R)
• M13: 8,473,074 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.5

Radius: 13.7

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.09 AU - 1.23 AU

Year: 820 Days

Day: 11.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 124.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,676,790 km

• M1: 170,990 km (0.116 R)
• M2: 648,357 km (0.076 R)
• M3: 1,115,701 km (0.118 R)
• M4: 1,598,004 km (0.117 R)
• M5: 2,143,588 km (0.038 R)
• M6: 2,743,625 km (0.117 R)
• M7: 3,256,147 km (0.102 R)
• M8: 3,964,643 km (0.043 R)
• M9: 5,245,799 km (0.111 R)
• M10: 6,386,333 km (0.1 R)
• M11: 7,115,174 km (0.078 R)
• M12: 7,639,215 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.8

Radius: 14.2

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.28 AU - 1.86 AU

Year: 1291 Days

Day: 6.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,676,790 km

• M1: 176,525 km (0.099 R)
• M2: 867,219 km (0.059 R)
• M3: 1,586,186 km (0.096 R)
• M4: 2,175,303 km (0.045 R)
• M5: 2,738,987 km (0.111 R)
• M6: 3,284,720 km (0.09 R)
• M7: 3,790,062 km (0.098 R)
• M8: 4,301,388 km (0.107 R)
• M9: 4,809,123 km (0.082 R)
• M10: 5,321,495 km (0.109 R)
• M11: 5,851,521 km (0.12 R)
• M12: 6,660,995 km (0.091 R)
• M13: 7,321,769 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584

Radius: 8.6

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.77 AU - 1.87 AU

Year: 1611 Days

Day: 7 Hours

Environment

Temp: -182 °C

Axial Tilt: 51 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,676,790 km

• M1: 106,962 km (0.077 R)
• M2: 591,061 km (0.058 R)
• M3: 1,088,773 km (0.032 R)
• M4: 1,364,333 km (0.082 R)
• M5: 1,667,717 km (0.095 R)
• M6: 2,071,781 km (0.092 R)
• M7: 2,451,161 km (0.081 R)
• M8: 2,904,443 km (0.12 R)
• M9: 3,365,802 km (0.094 R)
• M10: 5,783,304 km (0.096 R)
• M11: 6,129,922 km (0.103 R)
• M12: 6,813,884 km (0.095 R)
• M13: 8,449,886 km (0.082 R)
• M14: 8,987,990 km (0.109 R)
• M15: 9,548,682 km (0.057 R)
• M16: 10,501,023 km (0.077 R)
• M17: 10,774,487 km (0.116 R)
• M18: 11,515,146 km (0.109 R)
• M19: 11,879,567 km (0.101 R)
• M20: 13,295,511 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.7

Radius: 9.4

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.16 AU - 3.7 AU

Year: 4167 Days

Day: 8.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,676,790 km

• M1: 121,473 km (0.067 R)
• M2: 678,426 km (0.102 R)
• M3: 2,084,946 km (0.105 R)
• M4: 3,425,642 km (0.111 R)
• M5: 6,045,100 km (0.081 R)
• M6: 6,534,884 km (0.048 R)
• M7: 7,271,205 km (0.113 R)
• M8: 7,959,953 km (0.077 R)
• M9: 8,763,443 km (0.084 R)
• M10: 14,102,442 km (0.118 R)
• M11: 14,554,676 km (0.115 R)
• M12: 15,068,395 km (0.107 R)
• M13: 23,240,029 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.6

Radius: 13.3

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.43 AU - 4.01 AU

Year: 4707 Days

Day: 7 Hours

Environment

Temp: -212 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,676,790 km

• M1: 165,455 km (0.103 R)
• M2: 783,594 km (0.079 R)
• M3: 1,255,725 km (0.057 R)
• M4: 1,813,575 km (0.095 R)
• M5: 3,137,367 km (0.116 R)
• M6: 3,721,845 km (0.073 R)
• M7: 4,840,389 km (0.055 R)
• M8: 5,772,982 km (0.098 R)
• M9: 8,182,854 km (0.099 R)
• M10: 9,463,262 km (0.071 R)
• M11: 10,553,531 km (0.095 R)
• M12: 12,469,880 km (0.109 R)
• M13: 13,087,570 km (0.034 R)
• M14: 13,671,600 km (0.114 R)
• M15: 14,778,175 km (0.074 R)
• M16: 17,169,348 km (0.111 R)
• M17: 18,855,615 km (0.037 R)
• M18: 19,601,360 km (0.111 R)
• M19: 21,151,793 km (0.111 R)
• M20: 22,555,320 km (0.104 R)
• M21: 25,220,555 km (0.062 R)
• M22: 27,224,120 km (0.071 R)
• M23: 31,075,666 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462

Radius: 6.9

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.9 AU - 8.48 AU

Year: 15376 Days

Day: 22.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 39,676,790 km

• M1: 85,869 km (0.107 R)
• M2: 390,600 km (0.09 R)
• M3: 908,059 km (0.039 R)
• M4: 1,162,076 km (0.037 R)
• M5: 1,969,905 km (0.085 R)
• M6: 2,917,906 km (0.083 R)
• M7: 3,251,809 km (0.11 R)
• M8: 4,469,536 km (0.068 R)
• M9: 5,528,090 km (0.087 R)
• M10: 7,201,492 km (0.094 R)
• M11: 10,010,491 km (0.114 R)
• M12: 10,277,823 km (0.089 R)
• M13: 12,965,049 km (0.064 R)
• M14: 13,475,926 km (0.078 R)
• M15: 18,453,496 km (0.12 R)
• M16: 20,781,538 km (0.115 R)
• M17: 21,658,331 km (0.09 R)
• M18: 22,016,019 km (0.069 R)
• M19: 23,958,099 km (0.099 R)
• M20: 24,727,032 km (0.071 R)
• M21: 27,236,237 km (0.084 R)
• M22: 29,799,896 km (0.076 R)
• M23: 34,060,742 km (0.041 R)
• M24: 42,777,810 km (0.088 R)
• M25: 43,058,755 km (0.109 R)
• M26: 43,624,085 km (0.108 R)
• M27: 45,350,146 km (0.105 R)
• M28: 45,642,161 km (0.117 R)
• M29: 46,377,733 km (0.038 R)
• M30: 52,388,576 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.2

Radius: 3.2

Gravity: 31.95 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 8.88 AU - 9.04 AU

Year: 17594 Days

Day: 21 Hours

Environment

Temp: -220 °C

Axial Tilt: 111.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 39,676,790 km

• M1: 40,840 km (0.077 R)
• M2: 180,116 km (0.114 R)
• M3: 368,759 km (0.114 R)
• M4: 567,126 km (0.117 R)
• M5: 757,115 km (0.119 R)
• M6: 1,032,525 km (0.039 R)
• M7: 1,572,872 km (0.049 R)
• M8: 1,761,665 km (0.082 R)
• M9: 2,054,727 km (0.073 R)
• M10: 3,251,959 km (0.1 R)
• M11: 3,691,627 km (0.095 R)
• M12: 3,800,684 km (0.084 R)
• M13: 5,385,972 km (0.063 R)
• M14: 5,814,420 km (0.045 R)
• M15: 5,924,973 km (0.036 R)
• M16: 11,944,792 km (0.044 R)
• M17: 12,364,862 km (0.114 R)
• M18: 14,210,751 km (0.083 R)
• M19: 18,917,548 km (0.067 R)
• M20: 19,242,026 km (0.114 R)
• M21: 22,152,153 km (0.1 R)
• M22: 30,904,078 km (0.055 R)
• M23: 34,869,319 km (0.079 R)
• M24: 36,596,127 km (0.112 R)
• M25: 37,863,819 km (0.061 R)
• M26: 43,931,958 km (0.082 R)
• M27: 49,381,958 km (0.085 R)
• M28: 49,535,146 km (0.043 R)
• M29: 50,151,340 km (0.042 R)
• M30: 53,955,614 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.8

Radius: 3.6

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.8 AU - 9.4 AU

Year: 18008 Days

Day: 19.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 39,676,790 km

• M1: 45,179 km (0.066 R)
• M2: 249,978 km (0.086 R)
• M3: 411,843 km (0.114 R)
• M4: 1,482,066 km (0.109 R)
• M5: 2,084,946 km (0.03 R)
• M6: 3,087,102 km (0.092 R)
• M7: 4,566,176 km (0.108 R)
• M8: 5,088,422 km (0.059 R)
• M9: 5,302,048 km (0.112 R)
• M10: 5,681,877 km (0.082 R)
• M11: 5,978,529 km (0.045 R)
• M12: 6,460,384 km (0.106 R)
• M13: 6,602,652 km (0.114 R)
• M14: 7,154,967 km (0.104 R)
• M15: 7,461,942 km (0.109 R)
• M16: 9,399,085 km (0.118 R)
• M17: 11,438,852 km (0.056 R)
• M18: 11,752,409 km (0.108 R)
• M19: 12,018,095 km (0.051 R)
• M20: 13,931,900 km (0.083 R)
• M21: 16,039,585 km (0.106 R)
• M22: 16,169,884 km (0.051 R)
• M23: 16,498,401 km (0.033 R)
• M24: 17,857,647 km (0.104 R)
• M25: 18,852,174 km (0.116 R)
• M26: 19,436,803 km (0.088 R)
• M27: 21,737,169 km (0.095 R)
• M28: 25,517,657 km (0.049 R)
• M29: 28,552,998 km (0.036 R)
• M30: 34,455,232 km (0.033 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 15,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit