🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.4

Radius: 11.1

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.54 AU - 0.56 AU

Year: 282 Days

Day: 13.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 118.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,938,537 km

• M1: 138,079 km (0.107 R)
• M2: 491,579 km (0.12 R)
• M3: 853,007 km (0.09 R)
• M4: 1,284,148 km (0.086 R)
• M5: 1,839,755 km (0.058 R)
• M6: 2,284,359 km (0.103 R)
• M7: 2,965,778 km (0.041 R)
• M8: 3,921,110 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.5

Radius: 11.8

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.56 AU - 0.64 AU

Year: 321 Days

Day: 5.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,938,537 km

• M1: 146,756 km (0.101 R)
• M2: 530,624 km (0.088 R)
• M3: 1,018,163 km (0.086 R)
• M4: 1,708,408 km (0.062 R)
• M5: 2,663,440 km (0.096 R)
• M6: 3,123,753 km (0.036 R)
• M7: 3,765,229 km (0.055 R)
• M8: 4,348,062 km (0.078 R)
• M9: 4,764,692 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.3

Radius: 10.7

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.15 AU - 1.49 AU

Year: 1047 Days

Day: 12.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,938,537 km

• M1: 133,142 km (0.071 R)
• M2: 487,091 km (0.111 R)
• M3: 942,317 km (0.115 R)
• M4: 1,302,997 km (0.097 R)
• M5: 1,670,559 km (0.061 R)
• M6: 2,058,018 km (0.114 R)
• M7: 2,528,354 km (0.073 R)
• M8: 3,425,193 km (0.096 R)
• M9: 3,915,874 km (0.119 R)
• M10: 4,820,343 km (0.053 R)
• M11: 6,171,959 km (0.066 R)
• M12: 7,109,788 km (0.05 R)
• M13: 7,637,570 km (0.116 R)
• M14: 9,294,965 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.3

Radius: 8.7

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.35 AU - 1.37 AU

Year: 1095 Days

Day: 8.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,938,537 km

• M1: 108,458 km (0.113 R)
• M2: 403,615 km (0.085 R)
• M3: 747,241 km (0.059 R)
• M4: 1,232,686 km (0.063 R)
• M5: 1,825,244 km (0.079 R)
• M6: 2,110,826 km (0.062 R)
• M7: 2,689,919 km (0.119 R)
• M8: 3,744,734 km (0.087 R)
• M9: 4,162,262 km (0.108 R)
• M10: 4,474,323 km (0.107 R)
• M11: 5,371,461 km (0.086 R)
• M12: 5,842,545 km (0.058 R)
• M13: 6,491,500 km (0.119 R)
• M14: 6,957,797 km (0.084 R)
• M15: 7,375,175 km (0.099 R)
• M16: 8,032,508 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.3

Radius: 8.3

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.32 AU - 1.54 AU

Year: 1180 Days

Day: 12.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,938,537 km

• M1: 103,671 km (0.098 R)
• M2: 404,363 km (0.045 R)
• M3: 862,432 km (0.049 R)
• M4: 1,684,173 km (0.118 R)
• M5: 2,019,272 km (0.111 R)
• M6: 2,332,231 km (0.074 R)
• M7: 3,004,224 km (0.12 R)
• M8: 4,098,832 km (0.071 R)
• M9: 4,692,287 km (0.097 R)
• M10: 5,302,945 km (0.072 R)
• M11: 5,820,554 km (0.12 R)
• M12: 6,241,373 km (0.107 R)
• M13: 6,772,894 km (0.085 R)
• M14: 7,096,624 km (0.101 R)
• M15: 8,683,558 km (0.068 R)
• M16: 9,010,878 km (0.115 R)
• M17: 9,545,691 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.5

Radius: 10.2

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.73 AU - 1.89 AU

Year: 1681 Days

Day: 8.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 24,938,537 km

• M1: 128,804 km (0.084 R)
• M2: 461,958 km (0.106 R)
• M3: 973,433 km (0.05 R)
• M4: 1,353,412 km (0.11 R)
• M5: 2,502,623 km (0.111 R)
• M6: 3,425,941 km (0.096 R)
• M7: 4,058,441 km (0.1 R)
• M8: 4,542,091 km (0.038 R)
• M9: 5,239,067 km (0.056 R)
• M10: 5,742,464 km (0.117 R)
• M11: 6,378,404 km (0.062 R)
• M12: 7,252,654 km (0.04 R)
• M13: 7,646,845 km (0.088 R)
• M14: 9,238,267 km (0.047 R)
• M15: 9,973,840 km (0.065 R)
• M16: 12,576,244 km (0.073 R)
• M17: 14,207,160 km (0.092 R)
• M18: 14,915,506 km (0.099 R)
• M19: 15,324,207 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.5

Radius: 11.3

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.65 AU - 2.63 AU

Year: 2161 Days

Day: 6.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,938,537 km

• M1: 140,472 km (0.099 R)
• M2: 535,710 km (0.053 R)
• M3: 1,251,536 km (0.094 R)
• M4: 1,672,504 km (0.089 R)
• M5: 2,369,780 km (0.048 R)
• M6: 4,463,402 km (0.115 R)
• M7: 5,252,980 km (0.112 R)
• M8: 6,967,521 km (0.032 R)
• M9: 8,961,361 km (0.1 R)
• M10: 9,644,874 km (0.111 R)
• M11: 10,659,895 km (0.082 R)
• M12: 12,438,165 km (0.108 R)
• M13: 13,639,885 km (0.116 R)
• M14: 15,249,109 km (0.031 R)
• M15: 16,726,089 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441

Radius: 11.5

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.38 AU - 3.06 AU

Year: 3096 Days

Day: 8.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 24,938,537 km

• M1: 143,315 km (0.081 R)
• M2: 625,618 km (0.065 R)
• M3: 1,241,214 km (0.115 R)
• M4: 1,658,741 km (0.078 R)
• M5: 2,132,518 km (0.064 R)
• M6: 2,507,260 km (0.041 R)
• M7: 3,119,864 km (0.106 R)
• M8: 4,023,884 km (0.049 R)
• M9: 5,797,516 km (0.117 R)
• M10: 7,577,581 km (0.089 R)
• M11: 8,759,554 km (0.045 R)
• M12: 9,625,127 km (0.076 R)
• M13: 10,097,407 km (0.062 R)
• M14: 11,526,666 km (0.108 R)
• M15: 11,893,779 km (0.095 R)
• M16: 12,565,922 km (0.064 R)
• M17: 12,998,709 km (0.081 R)
• M18: 14,124,433 km (0.096 R)
• M19: 15,167,878 km (0.088 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.9

Radius: 11.8

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.69 AU - 4.93 AU

Year: 6176 Days

Day: 10.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,938,537 km

• M1: 147,952 km (0.12 R)
• M2: 538,852 km (0.072 R)
• M3: 1,029,682 km (0.047 R)
• M4: 2,655,512 km (0.063 R)
• M5: 3,339,623 km (0.097 R)
• M6: 4,028,970 km (0.05 R)
• M7: 5,582,544 km (0.097 R)
• M8: 6,287,000 km (0.076 R)
• M9: 6,676,254 km (0.12 R)
• M10: 10,816,375 km (0.113 R)
• M11: 12,416,474 km (0.055 R)
• M12: 12,983,450 km (0.029 R)
• M13: 14,684,078 km (0.083 R)
• M14: 15,264,817 km (0.108 R)
• M15: 16,812,258 km (0.119 R)
• M16: 20,217,105 km (0.07 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 12,528 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit