🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.8

Radius: 14.9

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.49 AU - 0.65 AU

Year: 292 Days

Day: 5.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 39,267,271 km

• M1: 185,352 km (0.076 R)
• M2: 653,593 km (0.097 R)
• M3: 1,162,974 km (0.048 R)
• M4: 1,729,351 km (0.103 R)
• M5: 2,696,801 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.6

Radius: 12.9

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.65 AU - 0.99 AU

Year: 504 Days

Day: 13.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,267,271 km

• M1: 160,519 km (0.102 R)
• M2: 585,077 km (0.101 R)
• M3: 987,346 km (0.047 R)
• M4: 1,449,005 km (0.103 R)
• M5: 2,074,025 km (0.105 R)
• M6: 2,798,527 km (0.069 R)
• M7: 3,298,334 km (0.07 R)
• M8: 4,104,367 km (0.102 R)
• M9: 4,524,438 km (0.105 R)
• M10: 5,384,476 km (0.056 R)
• M11: 5,853,765 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.9

Radius: 12.6

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.19 AU - 1.51 AU

Year: 1064 Days

Day: 14.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,267,271 km

• M1: 156,779 km (0.118 R)
• M2: 554,410 km (0.113 R)
• M3: 1,038,658 km (0.029 R)
• M4: 1,483,263 km (0.095 R)
• M5: 2,056,522 km (0.111 R)
• M6: 3,054,041 km (0.052 R)
• M7: 3,566,563 km (0.086 R)
• M8: 4,910,849 km (0.03 R)
• M9: 6,546,403 km (0.119 R)
• M10: 7,047,705 km (0.082 R)
• M11: 7,923,302 km (0.071 R)
• M12: 8,546,377 km (0.105 R)
• M13: 9,715,484 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.6

Radius: 12.1

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.34 AU - 1.6 AU

Year: 1209 Days

Day: 11.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,267,271 km

• M1: 154,086 km (0.079 R)
• M2: 843,134 km (0.059 R)
• M3: 1,402,480 km (0.092 R)
• M4: 2,381,598 km (0.107 R)
• M5: 2,989,713 km (0.085 R)
• M6: 3,819,982 km (0.094 R)
• M7: 5,015,418 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.4

Radius: 10.2

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.06 AU - 5.04 AU

Year: 5528 Days

Day: 10.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,267,271 km

• M1: 127,009 km (0.09 R)
• M2: 606,021 km (0.042 R)
• M3: 1,315,264 km (0.114 R)
• M4: 1,995,935 km (0.083 R)
• M5: 2,432,461 km (0.063 R)
• M6: 3,021,727 km (0.083 R)
• M7: 5,319,700 km (0.115 R)
• M8: 5,902,234 km (0.093 R)
• M9: 8,705,100 km (0.092 R)
• M10: 10,757,732 km (0.05 R)
• M11: 13,114,049 km (0.082 R)
• M12: 13,714,834 km (0.072 R)
• M13: 15,628,041 km (0.08 R)
• M14: 19,976,701 km (0.118 R)
• M15: 24,391,334 km (0.108 R)
• M16: 25,453,928 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.1

Radius: 8.9

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.81 AU - 6.11 AU

Year: 8653 Days

Day: 14.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 39,267,271 km

• M1: 110,852 km (0.037 R)
• M2: 520,601 km (0.114 R)
• M3: 872,156 km (0.052 R)
• M4: 1,247,347 km (0.107 R)
• M5: 1,655,300 km (0.055 R)
• M6: 2,168,272 km (0.099 R)
• M7: 2,462,680 km (0.12 R)
• M8: 2,826,053 km (0.034 R)
• M9: 4,622,275 km (0.108 R)
• M10: 5,082,288 km (0.11 R)
• M11: 6,685,828 km (0.091 R)
• M12: 8,244,937 km (0.11 R)
• M13: 8,922,466 km (0.07 R)
• M14: 9,685,565 km (0.103 R)
• M15: 10,804,856 km (0.112 R)
• M16: 12,351,548 km (0.101 R)
• M17: 12,937,972 km (0.04 R)
• M18: 14,103,489 km (0.108 R)
• M19: 14,421,384 km (0.064 R)
• M20: 16,854,444 km (0.116 R)
• M21: 18,168,063 km (0.118 R)
• M22: 19,864,652 km (0.044 R)
• M23: 20,669,788 km (0.083 R)
• M24: 24,018,537 km (0.111 R)
• M25: 25,303,881 km (0.103 R)
• M26: 25,679,522 km (0.106 R)
• M27: 26,249,789 km (0.083 R)
• M28: 28,111,534 km (0.076 R)
• M29: 30,164,615 km (0.11 R)
• M30: 33,428,542 km (0.094 R)
• M31: 37,891,495 km (0.109 R)
• M32: 38,506,791 km (0.086 R)
• M33: 41,814,400 km (0.097 R)
• M34: 46,419,022 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.9

Radius: 10.1

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.05 AU - 6.03 AU

Year: 8844 Days

Day: 12.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,267,271 km

• M1: 126,709 km (0.077 R)
• M2: 530,175 km (0.083 R)
• M3: 1,168,808 km (0.038 R)
• M4: 1,519,914 km (0.108 R)
• M5: 2,329,089 km (0.101 R)
• M6: 3,141,555 km (0.119 R)
• M7: 3,992,767 km (0.113 R)
• M8: 4,700,963 km (0.092 R)
• M9: 5,044,590 km (0.06 R)
• M10: 6,623,745 km (0.102 R)
• M11: 7,022,872 km (0.11 R)
• M12: 8,586,768 km (0.089 R)
• M13: 9,061,741 km (0.094 R)
• M14: 9,596,255 km (0.065 R)
• M15: 10,238,777 km (0.085 R)
• M16: 13,359,688 km (0.105 R)
• M17: 15,221,583 km (0.044 R)
• M18: 16,036,443 km (0.111 R)
• M19: 16,454,569 km (0.086 R)
• M20: 20,412,779 km (0.067 R)
• M21: 24,331,794 km (0.066 R)
• M22: 25,606,967 km (0.106 R)
• M23: 26,426,314 km (0.112 R)
• M24: 27,094,119 km (0.087 R)
• M25: 27,859,013 km (0.118 R)
• M26: 28,638,119 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.2

Radius: 3.3

Gravity: 62.64 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.51 AU - 7.23 AU

Year: 12213 Days

Day: 17.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,267,271 km

• M1: 41,139 km (0.073 R)
• M2: 256,560 km (0.101 R)
• M3: 894,894 km (0.08 R)
• M4: 1,104,780 km (0.1 R)
• M5: 1,253,630 km (0.064 R)
• M6: 1,951,953 km (0.095 R)
• M7: 2,265,809 km (0.088 R)
• M8: 2,854,477 km (0.103 R)
• M9: 2,992,705 km (0.08 R)
• M10: 3,208,575 km (0.089 R)
• M11: 3,671,581 km (0.12 R)
• M12: 6,047,344 km (0.108 R)
• M13: 6,872,377 km (0.096 R)
• M14: 7,037,682 km (0.113 R)
• M15: 7,904,153 km (0.044 R)
• M16: 8,985,596 km (0.089 R)
• M17: 9,233,181 km (0.057 R)
• M18: 12,815,451 km (0.11 R)
• M19: 14,434,699 km (0.11 R)
• M20: 15,469,018 km (0.094 R)
• M21: 17,916,439 km (0.108 R)
• M22: 19,933,767 km (0.109 R)
• M23: 21,040,193 km (0.082 R)
• M24: 23,189,316 km (0.084 R)
• M25: 23,374,817 km (0.09 R)
• M26: 24,316,835 km (0.06 R)
• M27: 24,604,212 km (0.079 R)
• M28: 26,782,058 km (0.087 R)
• M29: 27,917,655 km (0.075 R)
• M30: 33,960,213 km (0.081 R)
• M31: 36,652,974 km (0.101 R)
• M32: 44,712,859 km (0.11 R)
• M33: 51,793,775 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.9

Radius: 6.4

Gravity: 11.33 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.96 AU - 10.62 AU

Year: 19205 Days

Day: 20.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 39,267,271 km

• M1: 79,586 km (0.115 R)
• M2: 294,409 km (0.114 R)
• M3: 504,294 km (0.041 R)
• M4: 839,394 km (0.105 R)
• M5: 1,781,262 km (0.095 R)
• M6: 2,288,847 km (0.115 R)
• M7: 2,961,140 km (0.087 R)
• M8: 5,842,246 km (0.027 R)
• M9: 6,695,253 km (0.118 R)
• M10: 7,308,305 km (0.103 R)
• M11: 7,862,864 km (0.103 R)
• M12: 9,265,793 km (0.101 R)
• M13: 9,859,996 km (0.116 R)
• M14: 11,425,986 km (0.089 R)
• M15: 15,786,315 km (0.091 R)
• M16: 16,090,897 km (0.06 R)
• M17: 17,428,900 km (0.105 R)
• M18: 18,754,337 km (0.092 R)
• M19: 21,418,376 km (0.06 R)
• M20: 25,245,089 km (0.042 R)
• M21: 26,294,967 km (0.092 R)
• M22: 30,786,494 km (0.077 R)
• M23: 31,261,916 km (0.078 R)
• M24: 31,863,000 km (0.106 R)
• M25: 35,633,166 km (0.114 R)
• M26: 41,395,526 km (0.072 R)
• M27: 44,952,066 km (0.098 R)
• M28: 47,117,944 km (0.099 R)
• M29: 50,825,577 km (0.058 R)
• M30: 56,833,577 km (0.072 R)
• M31: 58,815,300 km (0.1 R)
• M32: 62,916,077 km (0.041 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.7

Radius: 8

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.92 AU - 11 AU

Year: 19735 Days

Day: 17.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,267,271 km

• M1: 108,758 km (0.1 R)
• M2: 385,514 km (0.099 R)
• M3: 689,646 km (0.062 R)
• M4: 1,300,604 km (0.106 R)
• M5: 1,735,934 km (0.06 R)
• M6: 2,214,946 km (0.114 R)
• M7: 2,495,143 km (0.041 R)
• M8: 3,527,817 km (0.111 R)
• M9: 4,458,316 km (0.086 R)
• M10: 4,707,546 km (0.117 R)
• M11: 5,449,402 km (0.105 R)
• M12: 6,030,290 km (0.109 R)
• M13: 6,580,511 km (0.066 R)
• M14: 7,239,191 km (0.104 R)
• M15: 10,175,797 km (0.11 R)
• M16: 12,688,742 km (0.073 R)
• M17: 13,191,540 km (0.089 R)
• M18: 13,476,524 km (0.12 R)
• M19: 13,765,697 km (0.059 R)
• M20: 17,157,829 km (0.034 R)
• M21: 17,429,349 km (0.057 R)
• M22: 19,484,225 km (0.119 R)
• M23: 22,414,249 km (0.116 R)
• M24: 23,066,496 km (0.047 R)
• M25: 25,714,079 km (0.05 R)
• M26: 26,973,693 km (0.087 R)
• M27: 30,698,530 km (0.075 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: 236 - 19,952 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit