🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.8

Radius: 10.6

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.54 AU - 0.86 AU

Year: 391 Days

Day: 6.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,246,362 km

• M1: 132,095 km (0.042 R)
• M2: 544,087 km (0.104 R)
• M3: 917,334 km (0.061 R)
• M4: 1,414,897 km (0.098 R)
• M5: 1,891,964 km (0.104 R)
• M6: 2,427,225 km (0.103 R)
• M7: 3,417,863 km (0.115 R)
• M8: 3,764,032 km (0.089 R)
• M9: 4,327,418 km (0.113 R)
• M10: 5,070,470 km (0.119 R)
• M11: 5,690,553 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.8

Radius: 9.3

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.71 AU - 0.77 AU

Year: 424 Days

Day: 10.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,246,362 km

• M1: 115,938 km (0.06 R)
• M2: 506,389 km (0.027 R)
• M3: 802,742 km (0.11 R)
• M4: 1,340,397 km (0.098 R)
• M5: 1,674,000 km (0.076 R)
• M6: 2,047,097 km (0.078 R)
• M7: 2,385,338 km (0.112 R)
• M8: 2,692,313 km (0.088 R)
• M9: 3,057,481 km (0.095 R)
• M10: 3,752,214 km (0.095 R)
• M11: 4,156,876 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.6

Radius: 8.1

Gravity: 15.14 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.3 AU - 1.56 AU

Year: 1140 Days

Day: 11.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,246,362 km

• M1: 101,278 km (0.049 R)
• M2: 355,445 km (0.08 R)
• M3: 662,270 km (0.04 R)
• M4: 941,719 km (0.034 R)
• M5: 1,692,550 km (0.105 R)
• M6: 2,253,094 km (0.098 R)
• M7: 2,519,827 km (0.116 R)
• M8: 2,876,169 km (0.103 R)
• M9: 3,625,504 km (0.106 R)
• M10: 5,292,922 km (0.116 R)
• M11: 6,753,596 km (0.072 R)
• M12: 8,124,361 km (0.093 R)
• M13: 10,851,381 km (0.047 R)
• M14: 11,476,251 km (0.063 R)
• M15: 12,124,758 km (0.093 R)
• M16: 12,420,662 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.6

Radius: 12.7

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.14 AU - 4.22 AU

Year: 4708 Days

Day: 11.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,246,362 km

• M1: 157,975 km (0.101 R)
• M2: 918,980 km (0.047 R)
• M3: 1,353,711 km (0.099 R)
• M4: 2,039,917 km (0.081 R)
• M5: 2,516,535 km (0.086 R)
• M6: 3,082,614 km (0.107 R)
• M7: 4,652,344 km (0.083 R)
• M8: 5,353,061 km (0.07 R)
• M9: 6,754,344 km (0.094 R)
• M10: 7,373,230 km (0.08 R)
• M11: 12,657,775 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.5

Radius: 14.4

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.15 AU - 6.63 AU

Year: 8345 Days

Day: 10.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 90,246,362 km

• M1: 179,069 km (0.083 R)
• M2: 664,065 km (0.111 R)
• M3: 1,152,502 km (0.079 R)
• M4: 1,771,089 km (0.11 R)
• M5: 2,220,481 km (0.106 R)
• M6: 2,727,169 km (0.098 R)
• M7: 3,242,534 km (0.098 R)
• M8: 4,646,510 km (0.072 R)
• M9: 5,258,964 km (0.043 R)
• M10: 7,590,297 km (0.068 R)
• M11: 9,646,220 km (0.12 R)
• M12: 10,595,568 km (0.106 R)
• M13: 11,606,401 km (0.071 R)
• M14: 14,383,087 km (0.066 R)
• M15: 14,831,582 km (0.076 R)
• M16: 15,689,376 km (0.043 R)
• M17: 16,302,428 km (0.115 R)
• M18: 17,002,396 km (0.069 R)
• M19: 19,925,389 km (0.105 R)
• M20: 20,806,969 km (0.071 R)
• M21: 24,053,991 km (0.067 R)
• M22: 24,961,751 km (0.12 R)
• M23: 26,942,128 km (0.118 R)
• M24: 30,683,271 km (0.063 R)
• M25: 31,214,045 km (0.113 R)
• M26: 31,967,419 km (0.103 R)
• M27: 32,513,003 km (0.093 R)
• M28: 34,987,651 km (0.107 R)
• M29: 38,193,384 km (0.067 R)
• M30: 41,331,797 km (0.117 R)
• M31: 44,232,500 km (0.104 R)
• M32: 46,425,754 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.5

Radius: 4.5

Gravity: 28.86 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.29 AU - 6.57 AU

Year: 9630 Days

Day: 15.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 90,246,362 km

• M1: 56,548 km (0.093 R)
• M2: 220,806 km (0.117 R)
• M3: 364,420 km (0.108 R)
• M4: 580,739 km (0.106 R)
• M5: 723,156 km (0.113 R)
• M6: 870,660 km (0.101 R)
• M7: 1,113,607 km (0.103 R)
• M8: 2,121,747 km (0.085 R)
• M9: 3,675,620 km (0.03 R)
• M10: 4,254,414 km (0.104 R)
• M11: 5,426,364 km (0.074 R)
• M12: 5,826,538 km (0.117 R)
• M13: 7,382,655 km (0.109 R)
• M14: 7,831,897 km (0.04 R)
• M15: 8,606,066 km (0.088 R)
• M16: 10,255,233 km (0.06 R)
• M17: 11,500,785 km (0.103 R)
• M18: 12,498,603 km (0.067 R)
• M19: 14,039,910 km (0.102 R)
• M20: 14,412,857 km (0.114 R)
• M21: 17,210,337 km (0.11 R)
• M22: 17,637,290 km (0.08 R)
• M23: 18,291,182 km (0.094 R)
• M24: 19,569,945 km (0.114 R)
• M25: 19,724,180 km (0.087 R)
• M26: 23,068,141 km (0.04 R)
• M27: 25,649,153 km (0.039 R)
• M28: 27,828,196 km (0.072 R)
• M29: 28,515,149 km (0.049 R)
• M30: 28,713,516 km (0.114 R)
• M31: 31,693,506 km (0.117 R)
• M32: 34,198,672 km (0.1 R)
• M33: 34,873,358 km (0.111 R)
• M34: 39,722,274 km (0.086 R)
• M35: 40,969,621 km (0.044 R)
• M36: 41,348,702 km (0.06 R)
• M37: 41,730,326 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254

Radius: 6.9

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.73 AU - 7.69 AU

Year: 11591 Days

Day: 20 Hours

Environment

Temp: -230 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 90,246,362 km

• M1: 91,404 km (0.076 R)
• M2: 337,792 km (0.108 R)
• M3: 596,896 km (0.086 R)
• M4: 900,280 km (0.085 R)
• M5: 1,248,394 km (0.117 R)
• M6: 1,498,372 km (0.109 R)
• M7: 1,869,375 km (0.113 R)
• M8: 2,493,946 km (0.063 R)
• M9: 2,815,133 km (0.03 R)
• M10: 3,996,806 km (0.067 R)
• M11: 4,518,903 km (0.114 R)
• M12: 5,603,188 km (0.085 R)
• M13: 5,923,926 km (0.103 R)
• M14: 6,567,047 km (0.114 R)
• M15: 7,793,151 km (0.119 R)
• M16: 8,233,867 km (0.101 R)
• M17: 8,648,851 km (0.076 R)
• M18: 9,701,572 km (0.102 R)
• M19: 9,931,354 km (0.091 R)
• M20: 10,258,973 km (0.105 R)
• M21: 10,935,904 km (0.095 R)
• M22: 12,006,576 km (0.057 R)
• M23: 12,378,476 km (0.061 R)
• M24: 13,089,514 km (0.085 R)
• M25: 16,859,979 km (0.076 R)
• M26: 17,259,256 km (0.113 R)
• M27: 17,528,981 km (0.107 R)
• M28: 18,920,092 km (0.062 R)
• M29: 22,157,389 km (0.114 R)
• M30: 35,224,763 km (0.115 R)
• M31: 35,877,459 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.9

Radius: 4.8

Gravity: 40.01 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 8.69 AU - 12.05 AU

Year: 22269 Days

Day: 21.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 90,246,362 km

• M1: 61,485 km (0.101 R)
• M2: 955,930 km (0.093 R)
• M3: 1,337,854 km (0.113 R)
• M4: 3,070,646 km (0.086 R)
• M5: 3,242,235 km (0.115 R)
• M6: 3,667,242 km (0.038 R)
• M7: 4,094,494 km (0.094 R)
• M8: 5,086,926 km (0.11 R)
• M9: 6,139,945 km (0.106 R)
• M10: 6,693,757 km (0.118 R)
• M11: 6,934,161 km (0.08 R)
• M12: 7,130,583 km (0.075 R)
• M13: 8,499,104 km (0.11 R)
• M14: 9,011,028 km (0.093 R)
• M15: 11,198,298 km (0.102 R)
• M16: 12,813,955 km (0.085 R)
• M17: 14,025,548 km (0.114 R)
• M18: 19,637,563 km (0.112 R)
• M19: 24,713,119 km (0.096 R)
• M20: 26,343,138 km (0.091 R)
• M21: 29,174,577 km (0.1 R)
• M22: 30,335,606 km (0.098 R)
• M23: 31,259,672 km (0.113 R)
• M24: 31,527,003 km (0.051 R)
• M25: 33,721,754 km (0.117 R)
• M26: 36,605,552 km (0.112 R)
• M27: 36,902,653 km (0.075 R)
• M28: 46,756,665 km (0.112 R)
• M29: 51,627,272 km (0.025 R)
• M30: 54,280,989 km (0.113 R)
• M31: 60,270,738 km (0.115 R)
• M32: 65,805,710 km (0.039 R)
• M33: 76,653,201 km (0.076 R)
• M34: 82,625,447 km (0.115 R)
• M35: 86,511,252 km (0.08 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 12,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit