🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.9

Radius: 8.4

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.61 AU - 1.01 AU

Year: 464 Days

Day: 12.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,675,202 km

• M1: 105,466 km (0.098 R)
• M2: 509,530 km (0.056 R)
• M3: 876,195 km (0.085 R)
• M4: 1,158,187 km (0.1 R)
• M5: 1,690,755 km (0.056 R)
• M6: 2,136,407 km (0.104 R)
• M7: 2,443,980 km (0.107 R)
• M8: 2,885,893 km (0.055 R)
• M9: 3,344,859 km (0.082 R)
• M10: 3,996,208 km (0.071 R)
• M11: 4,714,577 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.1

Radius: 14.8

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.29 AU - 1.49 AU

Year: 1042 Days

Day: 11.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,675,202 km

• M1: 184,155 km (0.039 R)
• M2: 836,402 km (0.061 R)
• M3: 1,784,703 km (0.116 R)
• M4: 2,329,987 km (0.069 R)
• M5: 2,869,138 km (0.085 R)
• M6: 3,892,237 km (0.067 R)
• M7: 4,375,289 km (0.073 R)
• M8: 5,012,127 km (0.027 R)
• M9: 5,565,639 km (0.096 R)
• M10: 6,587,093 km (0.109 R)
• M11: 7,302,321 km (0.103 R)
• M12: 8,776,309 km (0.11 R)
• M13: 9,406,864 km (0.101 R)
• M14: 10,159,939 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.1

Radius: 9.9

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.5 AU - 1.76 AU

Year: 1323 Days

Day: 13.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,675,202 km

• M1: 124,316 km (0.067 R)
• M2: 521,648 km (0.066 R)
• M3: 870,061 km (0.063 R)
• M4: 1,244,804 km (0.086 R)
• M5: 1,561,802 km (0.101 R)
• M6: 1,878,351 km (0.044 R)
• M7: 2,343,151 km (0.073 R)
• M8: 2,678,999 km (0.105 R)
• M9: 3,931,731 km (0.113 R)
• M10: 4,294,506 km (0.078 R)
• M11: 4,836,350 km (0.118 R)
• M12: 5,914,501 km (0.116 R)
• M13: 6,286,252 km (0.105 R)
• M14: 6,985,772 km (0.063 R)
• M15: 7,543,772 km (0.081 R)
• M16: 8,384,961 km (0.099 R)
• M17: 8,722,753 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.5

Radius: 8

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.88 AU - 2.1 AU

Year: 1785 Days

Day: 7.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,675,202 km

• M1: 105,317 km (0.053 R)
• M2: 355,893 km (0.077 R)
• M3: 631,752 km (0.119 R)
• M4: 937,979 km (0.119 R)
• M5: 1,193,791 km (0.041 R)
• M6: 1,506,600 km (0.115 R)
• M7: 1,884,784 km (0.112 R)
• M8: 2,175,303 km (0.116 R)
• M9: 2,429,170 km (0.074 R)
• M10: 2,745,869 km (0.091 R)
• M11: 3,616,529 km (0.073 R)
• M12: 4,598,339 km (0.108 R)
• M13: 6,237,184 km (0.09 R)
• M14: 6,860,858 km (0.077 R)
• M15: 7,525,521 km (0.082 R)
• M16: 8,982,604 km (0.049 R)
• M17: 9,777,567 km (0.033 R)
• M18: 11,852,938 km (0.109 R)
• M19: 12,324,621 km (0.05 R)
• M20: 12,849,560 km (0.04 R)
• M21: 14,030,934 km (0.116 R)
• M22: 14,648,175 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.8

Radius: 8.7

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.39 AU - 5.21 AU

Year: 5669 Days

Day: 6.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,675,202 km

• M1: 109,057 km (0.063 R)
• M2: 456,423 km (0.066 R)
• M3: 1,659,639 km (0.077 R)
• M4: 3,134,075 km (0.069 R)
• M5: 3,693,123 km (0.087 R)
• M6: 5,562,946 km (0.095 R)
• M7: 9,662,227 km (0.034 R)
• M8: 10,559,814 km (0.116 R)
• M9: 13,681,623 km (0.025 R)
• M10: 13,970,796 km (0.064 R)
• M11: 14,913,412 km (0.086 R)
• M12: 18,576,914 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.5

Radius: 6.1

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.28 AU - 8.64 AU

Year: 12955 Days

Day: 19.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,675,202 km

• M1: 75,996 km (0.1 R)
• M2: 313,408 km (0.109 R)
• M3: 503,546 km (0.088 R)
• M4: 813,214 km (0.067 R)
• M5: 1,112,260 km (0.096 R)
• M6: 1,332,169 km (0.031 R)
• M7: 1,961,527 km (0.053 R)
• M8: 2,555,730 km (0.094 R)
• M9: 2,885,145 km (0.066 R)
• M10: 3,496,850 km (0.111 R)
• M11: 4,290,617 km (0.097 R)
• M12: 6,006,055 km (0.119 R)
• M13: 6,723,527 km (0.101 R)
• M14: 9,599,995 km (0.085 R)
• M15: 10,350,377 km (0.098 R)
• M16: 10,809,643 km (0.08 R)
• M17: 13,636,594 km (0.108 R)
• M18: 14,021,360 km (0.041 R)
• M19: 17,493,526 km (0.025 R)
• M20: 17,752,181 km (0.118 R)
• M21: 19,427,079 km (0.098 R)
• M22: 27,096,962 km (0.103 R)
• M23: 29,492,921 km (0.065 R)
• M24: 29,767,583 km (0.079 R)
• M25: 30,136,491 km (0.06 R)
• M26: 30,695,389 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603

Radius: 3.7

Gravity: 44.05 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 9.69 AU - 9.97 AU

Year: 19596 Days

Day: 25 Hours

Environment

Temp: -240 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 70,675,202 km

• M1: 48,619 km (0.076 R)
• M2: 318,943 km (0.105 R)
• M3: 647,460 km (0.055 R)
• M4: 1,129,314 km (0.116 R)
• M5: 2,045,900 km (0.092 R)
• M6: 3,541,879 km (0.087 R)
• M7: 4,343,425 km (0.115 R)
• M8: 4,476,567 km (0.074 R)
• M9: 4,646,959 km (0.094 R)
• M10: 4,786,384 km (0.104 R)
• M11: 7,557,684 km (0.114 R)
• M12: 10,568,192 km (0.094 R)
• M13: 11,619,715 km (0.069 R)
• M14: 12,875,141 km (0.049 R)
• M15: 14,145,526 km (0.117 R)
• M16: 14,735,989 km (0.114 R)
• M17: 16,124,257 km (0.065 R)
• M18: 16,444,247 km (0.057 R)
• M19: 22,850,776 km (0.074 R)
• M20: 23,254,391 km (0.051 R)
• M21: 23,560,318 km (0.049 R)
• M22: 28,707,981 km (0.08 R)
• M23: 29,652,841 km (0.05 R)
• M24: 29,772,370 km (0.094 R)
• M25: 31,604,345 km (0.034 R)
• M26: 31,979,537 km (0.119 R)
• M27: 32,611,438 km (0.099 R)
• M28: 33,769,775 km (0.097 R)
• M29: 33,900,224 km (0.087 R)
• M30: 35,356,559 km (0.118 R)
• M31: 36,716,254 km (0.063 R)
• M32: 37,130,939 km (0.07 R)
• M33: 38,251,727 km (0.101 R)
• M34: 39,539,465 km (0.082 R)
• M35: 44,352,029 km (0.068 R)
• M36: 50,385,909 km (0.116 R)
• M37: 51,758,769 km (0.064 R)
• M38: 55,299,601 km (0.113 R)
• M39: 63,055,951 km (0.044 R)
• M40: 63,451,937 km (0.119 R)
• M41: 68,332,418 km (0.104 R)
• M42: 71,077,539 km (0.109 R)
• M43: 71,291,763 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.2

Radius: 3.7

Gravity: 33.98 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 8.06 AU - 13 AU

Year: 21726 Days

Day: 23.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,675,202 km

• M1: 51,312 km (0.115 R)
• M2: 190,737 km (0.096 R)
• M3: 2,170,516 km (0.102 R)
• M4: 2,871,232 km (0.114 R)
• M5: 3,179,254 km (0.049 R)
• M6: 4,045,276 km (0.105 R)
• M7: 4,465,347 km (0.11 R)
• M8: 8,103,717 km (0.066 R)
• M9: 13,473,233 km (0.04 R)
• M10: 17,042,339 km (0.096 R)
• M11: 17,622,629 km (0.098 R)
• M12: 19,532,246 km (0.063 R)
• M13: 24,584,615 km (0.086 R)
• M14: 25,005,882 km (0.108 R)
• M15: 26,961,276 km (0.095 R)
• M16: 30,928,313 km (0.044 R)
• M17: 32,668,884 km (0.091 R)
• M18: 35,802,810 km (0.118 R)
• M19: 37,720,505 km (0.055 R)
• M20: 45,127,095 km (0.075 R)
• M21: 47,200,073 km (0.079 R)
• M22: 58,522,388 km (0.117 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: 183 - 17,495 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit